# AT91SAM7L128 PIOA

## Parallel Input/Output (PIOA) User Interface

### Registers

Register Mapping
Address | Register | Name | Access | Reset
--- | --- | --- | --- | ---
0xFFFFF400 | PIO Enable Register | PIOA_PER | write-only | -
0xFFFFF404 | PIO Disable Register | PIOA_PDR | write-only | -
0xFFFFF408 | PIO Status Register | PIOA_PSR | read-only | -
0xFFFFF410 | Output Enable Register | PIOA_OER | write-only | -
0xFFFFF414 | Output Disable Register | PIOA_ODR | write-only | -
0xFFFFF418 | Output Status Register | PIOA_OSR | read-only | 0x00000000
0xFFFFF420 | Glitch Input Filter Enable Register | PIOA_IFER | write-only | -
0xFFFFF424 | Glitch Input Filter Disable Register | PIOA_IFDR | write-only | -
0xFFFFF428 | Glitch Input Filter Status Register | PIOA_IFSR | read-only | 0x00000000
0xFFFFF430 | Set Output Data Register | PIOA_SODR | write-only | -
0xFFFFF434 | Clear Output Data Register | PIOA_CODR | write-only | -
0xFFFFF438 | Output Data Status Register | PIOA_ODSR | read-write | -
0xFFFFF43C | Pin Data Status Register | PIOA_PDSR | read-only | -
0xFFFFF440 | Interrupt Enable Register | PIOA_IER | write-only | -
0xFFFFF444 | Interrupt Disable Register | PIOA_IDR | write-only | -
0xFFFFF448 | Interrupt Mask Register | PIOA_IMR | read-only | 0x00000000
0xFFFFF44C | Interrupt Status Register | PIOA_ISR | read-only | 0x00000000
0xFFFFF450 | Multi-driver Enable Register | PIOA_MDER | write-only | -
0xFFFFF454 | Multi-driver Disable Register | PIOA_MDDR | write-only | -
0xFFFFF458 | Multi-driver Status Register | PIOA_MDSR | read-only | 0x00000000
0xFFFFF460 | Pull-up Disable Register | PIOA_PUDR | write-only | -
0xFFFFF464 | Pull-up Enable Register | PIOA_PUER | write-only | -
0xFFFFF468 | Pad Pull-up Status Register | PIOA_PUSR | read-only | 0x00000000
0xFFFFF470 | Peripheral A Select Register | PIOA_ASR | write-only | -
0xFFFFF474 | Peripheral B Select Register | PIOA_BSR | write-only | -
0xFFFFF478 | AB Status Register | PIOA_ABSR | read-only | 0x00000000
0xFFFFF4A0 | Output Write Enable | PIOA_OWER | write-only | -
0xFFFFF4A4 | Output Write Disable | PIOA_OWDR | write-only | -
0xFFFFF4A8 | Output Write Status Register | PIOA_OWSR | read-only | 0x00000000

### Register Fields

#### PIOA PIO Enable Register

Name: PIOA_PER

Access: write-only

Address: 0xFFFFF400

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P1: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P2: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P3: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P4: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P5: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P6: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P7: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P8: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P9: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P10: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P11: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P12: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P13: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P14: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P15: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P16: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P17: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P18: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P19: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P20: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P21: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P22: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P23: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P24: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P25: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P26: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P27: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P28: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P29: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P30: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

- P31: PIO Enable

- 0 = No effect.
- 1 = Enables the PIO to control the corresponding pin (disables peripheral control of the pin).

#### PIOA PIO Disable Register

Name: PIOA_PDR

Access: write-only

Address: 0xFFFFF404

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P1: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P2: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P3: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P4: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P5: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P6: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P7: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P8: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P9: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P10: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P11: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P12: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P13: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P14: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P15: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P16: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P17: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P18: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P19: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P20: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P21: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P22: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P23: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P24: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P25: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P26: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P27: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P28: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P29: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P30: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

- P31: PIO Disable

- 0 = No effect.
- 1 = Disables the PIO from controlling the corresponding pin (enables peripheral control of the pin).

#### PIOA PIO Status Register

Name: PIOA_PSR

Access: read-only

Address: 0xFFFFF408

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P1: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P2: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P3: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P4: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P5: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P6: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P7: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P8: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P9: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P10: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P11: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P12: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P13: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P14: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P15: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P16: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P17: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P18: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P19: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P20: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P21: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P22: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P23: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P24: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P25: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P26: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P27: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P28: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P29: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P30: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

- P31: PIO Status

- 0 = PIO is inactive on the corresponding I/O line (peripheral is active).
- 1 = PIO is active on the corresponding I/O line (peripheral is inactive).

#### PIOA Output Enable Register

Name: PIOA_OER

Access: write-only

Address: 0xFFFFF410

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P1: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P2: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P3: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P4: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P5: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P6: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P7: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P8: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P9: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P10: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P11: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P12: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P13: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P14: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P15: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P16: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P17: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P18: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P19: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P20: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P21: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P22: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P23: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P24: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P25: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P26: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P27: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P28: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P29: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P30: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

- P31: Output Enable

- 0 = No effect.
- 1 = Enables the output on the I/O line.

#### PIOA Output Disable Register

Name: PIOA_ODR

Access: write-only

Address: 0xFFFFF414

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P1: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P2: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P3: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P4: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P5: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P6: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P7: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P8: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P9: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P10: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P11: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P12: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P13: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P14: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P15: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P16: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P17: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P18: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P19: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P20: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P21: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P22: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P23: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P24: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P25: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P26: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P27: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P28: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P29: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P30: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

- P31: Output Disable

- 0 = No effect.
- 1 = Disables the output on the I/O line.

#### PIOA Output Status Register

Name: PIOA_OSR

Access: read-only

Address: 0xFFFFF418

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P1: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P2: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P3: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P4: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P5: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P6: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P7: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P8: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P9: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P10: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P11: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P12: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P13: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P14: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P15: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P16: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P17: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P18: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P19: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P20: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P21: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P22: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P23: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P24: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P25: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P26: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P27: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P28: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P29: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P30: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

- P31: Output Status

- 0 = The I/O line is a pure input.
- 1 = The I/O line is enabled in output.

#### PIOA Glitch Input Filter Enable Register

Name: PIOA_IFER

Access: write-only

Address: 0xFFFFF420

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P1: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P2: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P3: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P4: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P5: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P6: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P7: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P8: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P9: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P10: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P11: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P12: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P13: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P14: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P15: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P16: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P17: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P18: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P19: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P20: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P21: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P22: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P23: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P24: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P25: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P26: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P27: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P28: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P29: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P30: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

- P31: Input Filter Enable

- 0 = No effect.
- 1 = Enables the input glitch filter on the I/O line.

#### PIOA Glitch Input Filter Disable Register

Name: PIOA_IFDR

Access: write-only

Address: 0xFFFFF424

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P1: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P2: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P3: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P4: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P5: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P6: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P7: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P8: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P9: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P10: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P11: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P12: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P13: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P14: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P15: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P16: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P17: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P18: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P19: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P20: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P21: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P22: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P23: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P24: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P25: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P26: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P27: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P28: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P29: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P30: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

- P31: Input Filter Disable

- 0 = No effect.
- 1 = Disables the input glitch filter on the I/O line.

#### PIOA Glitch Input Filter Status Register

Name: PIOA_IFSR

Access: read-only

Address: 0xFFFFF428

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P1: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P2: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P3: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P4: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P5: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P6: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P7: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P8: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P9: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P10: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P11: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P12: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P13: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P14: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P15: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P16: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P17: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P18: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P19: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P20: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P21: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P22: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P23: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P24: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P25: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P26: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P27: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P28: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P29: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P30: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

- P31: Input Filer Status

- 0 = The input glitch filter is disabled on the I/O line.
- 1 = The input glitch filter is enabled on the I/O line.

#### PIOA Set Output Data Register

Name: PIOA_SODR

Access: write-only

Address: 0xFFFFF430

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P1: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P2: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P3: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P4: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P5: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P6: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P7: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P8: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P9: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P10: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P11: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P12: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P13: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P14: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P15: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P16: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P17: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P18: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P19: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P20: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P21: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P22: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P23: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P24: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P25: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P26: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P27: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P28: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P29: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P30: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

- P31: Set Output Data

- 0 = No effect.
- 1 = Sets the data to be driven on the I/O line.

#### PIOA Clear Output Data Register

Name: PIOA_CODR

Access: write-only

Address: 0xFFFFF434

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P1: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P2: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P3: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P4: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P5: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P6: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P7: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P8: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P9: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P10: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P11: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P12: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P13: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P14: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P15: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P16: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P17: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P18: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P19: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P20: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P21: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P22: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P23: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P24: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P25: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P26: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P27: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P28: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P29: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P30: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

- P31: Set Output Data

- 0 = No effect.
- 1 = Clears the data to be driven on the I/O line.

#### PIOA Output Data Status Register

Name: PIOA_ODSR

Access: read-write

Address: 0xFFFFF438

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P1: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P2: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P3: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P4: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P5: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P6: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P7: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P8: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P9: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P10: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P11: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P12: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P13: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P14: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P15: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P16: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P17: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P18: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P19: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P20: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P21: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P22: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P23: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P24: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P25: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P26: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P27: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P28: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P29: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P30: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

- P31: Output Data Status

- 0 = The data to be driven on the I/O line is 0.
- 1 = The data to be driven on the I/O line is 1.

#### PIOA Pin Data Status Register

Name: PIOA_PDSR

Access: read-only

Address: 0xFFFFF43C

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P1: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P2: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P3: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P4: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P5: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P6: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P7: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P8: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P9: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P10: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P11: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P12: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P13: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P14: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P15: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P16: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P17: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P18: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P19: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P20: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P21: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P22: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P23: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P24: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P25: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P26: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P27: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P28: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P29: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P30: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

- P31: Output Data Status

- 0 = The I/O line is at level 0.
- 1 = The I/O line is at level 1.

#### PIOA Interrupt Enable Register

Name: PIOA_IER

Access: write-only

Address: 0xFFFFF440

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P1: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P2: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P3: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P4: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P5: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P6: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P7: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P8: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P9: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P10: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P11: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P12: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P13: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P14: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P15: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P16: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P17: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P18: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P19: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P20: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P21: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P22: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P23: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P24: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P25: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P26: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P27: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P28: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P29: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P30: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

- P31: Input Change Interrupt Enable

- 0 = No effect.
- 1 = Enables the Input Change Interrupt on the I/O line.

#### PIOA Interrupt Disable Register

Name: PIOA_IDR

Access: write-only

Address: 0xFFFFF444

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P1: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P2: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P3: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P4: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P5: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P6: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P7: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P8: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P9: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P10: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P11: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P12: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P13: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P14: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P15: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P16: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P17: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P18: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P19: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P20: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P21: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P22: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P23: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P24: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P25: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P26: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P27: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P28: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P29: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P30: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

- P31: Input Change Interrupt Disable

- 0 = No effect.
- 1 = Disables the Input Change Interrupt on the I/O line.

#### PIOA Interrupt Mask Register

Name: PIOA_IMR

Access: read-only

Address: 0xFFFFF448

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P1: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P2: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P3: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P4: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P5: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P6: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P7: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P8: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P9: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P10: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P11: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P12: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P13: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P14: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P15: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P16: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P17: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P18: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P19: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P20: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P21: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P22: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P23: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P24: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P25: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P26: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P27: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P28: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P29: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P30: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

- P31: Input Change Interrupt Mask

- 0 = Input Change Interrupt is disabled on the I/O line.
- 1 = Input Change Interrupt is enabled on the I/O line.

#### PIOA Interrupt Status Register

Name: PIOA_ISR

Access: read-only

Address: 0xFFFFF44C

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P1: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P2: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P3: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P4: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P5: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P6: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P7: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P8: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P9: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P10: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P11: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P12: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P13: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P14: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P15: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P16: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P17: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P18: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P19: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P20: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P21: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P22: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P23: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P24: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P25: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P26: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P27: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P28: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P29: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P30: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

- P31: Input Change Interrupt Status

- 0 = No Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.
- 1 = At least one Input Change has been detected on the I/O line since PIO_ISR was last read or since reset.

#### PIOA Multi-driver Enable Register

Name: PIOA_MDER

Access: write-only

Address: 0xFFFFF450

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P1: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P2: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P3: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P4: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P5: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P6: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P7: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P8: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P9: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P10: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P11: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P12: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P13: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P14: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P15: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P16: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P17: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P18: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P19: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P20: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P21: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P22: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P23: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P24: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P25: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P26: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P27: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P28: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P29: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P30: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

- P31: Multi Drive Enable.

- 0 = No effect.
- 1 = Enables Multi Drive on the I/O line.

#### PIOA Multi-driver Disable Register

Name: PIOA_MDDR

Access: write-only

Address: 0xFFFFF454

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P1: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P2: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P3: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P4: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P5: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P6: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P7: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P8: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P9: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P10: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P11: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P12: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P13: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P14: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P15: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P16: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P17: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P18: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P19: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P20: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P21: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P22: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P23: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P24: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P25: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P26: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P27: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P28: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P29: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P30: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

- P31: Multi Drive Disable.

- 0 = No effect.
- 1 = Disables Multi Drive on the I/O line.

#### PIOA Multi-driver Status Register

Name: PIOA_MDSR

Access: read-only

Address: 0xFFFFF458

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P1: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P2: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P3: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P4: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P5: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P6: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P7: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P8: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P9: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P10: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P11: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P12: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P13: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P14: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P15: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P16: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P17: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P18: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P19: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P20: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P21: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P22: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P23: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P24: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P25: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P26: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P27: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P28: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P29: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P30: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

- P31: Multi Drive Status.

- 0 = The Multi Drive is disabled on the I/O line. The pin is driven at high and low level.
- 1 = The Multi Drive is enabled on the I/O line. The pin is driven at low level only.

#### PIOA Pull-up Disable Register

Name: PIOA_PUDR

Access: write-only

Address: 0xFFFFF460

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P1: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P2: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P3: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P4: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P5: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P6: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P7: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P8: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P9: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P10: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P11: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P12: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P13: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P14: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P15: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P16: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P17: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P18: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P19: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P20: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P21: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P22: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P23: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P24: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P25: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P26: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P27: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P28: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P29: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P30: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

- P31: Pull Up Disable.

- 0 = No effect.
- 1 = Disables the pull up resistor on the I/O line.

#### PIOA Pull-up Enable Register

Name: PIOA_PUER

Access: write-only

Address: 0xFFFFF464

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P1: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P2: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P3: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P4: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P5: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P6: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P7: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P8: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P9: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P10: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P11: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P12: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P13: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P14: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P15: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P16: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P17: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P18: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P19: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P20: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P21: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P22: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P23: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P24: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P25: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P26: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P27: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P28: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P29: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P30: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

- P31: Pull Up Enable.

- 0 = No effect.
- 1 = Enables the pull up resistor on the I/O line.

#### PIOA Pad Pull-up Status Register

Name: PIOA_PUSR

Access: read-only

Address: 0xFFFFF468

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P1: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P2: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P3: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P4: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P5: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P6: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P7: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P8: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P9: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P10: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P11: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P12: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P13: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P14: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P15: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P16: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P17: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P18: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P19: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P20: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P21: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P22: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P23: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P24: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P25: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P26: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P27: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P28: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P29: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P30: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

- P31: Pull Up Status.

- 0 = Pull Up resistor is enabled on the I/O line.
- 1 = Pull Up resistor is disabled on the I/O line.

#### PIOA Peripheral A Select Register

Name: PIOA_ASR

Access: write-only

Address: 0xFFFFF470

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P1: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P2: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P3: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P4: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P5: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P6: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P7: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P8: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P9: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P10: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P11: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P12: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P13: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P14: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P15: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P16: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P17: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P18: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P19: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P20: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P21: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P22: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P23: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P24: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P25: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P26: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P27: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P28: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P29: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P30: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

- P31: Peripheral A Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the Peripheral A function.

#### PIOA Peripheral B Select Register

Name: PIOA_BSR

Access: write-only

Address: 0xFFFFF474

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P1: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P2: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P3: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P4: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P5: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P6: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P7: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P8: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P9: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P10: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P11: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P12: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P13: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P14: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P15: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P16: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P17: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P18: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P19: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P20: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P21: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P22: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P23: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P24: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P25: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P26: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P27: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P28: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P29: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P30: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

- P31: Peripheral B Select.

- 0 = No effect.
- 1 = Assigns the I/O line to the peripheral B function.

#### PIOA AB Status Register

Name: PIOA_ABSR

Access: read-only

Address: 0xFFFFF478

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P1: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P2: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P3: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P4: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P5: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P6: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P7: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P8: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P9: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P10: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P11: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P12: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P13: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P14: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P15: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P16: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P17: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P18: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P19: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P20: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P21: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P22: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P23: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P24: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P25: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P26: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P27: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P28: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P29: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P30: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

- P31: Peripheral A B Status.

- 0 = The I/O line is assigned to the Peripheral A.
- 1 = The I/O line is assigned to the Peripheral B.

#### PIOA Output Write Enable

Name: PIOA_OWER

Access: write-only

Address: 0xFFFFF4A0

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P1: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P2: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P3: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P4: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P5: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P6: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P7: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P8: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P9: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P10: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P11: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P12: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P13: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P14: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P15: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P16: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P17: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P18: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P19: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P20: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P21: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P22: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P23: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P24: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P25: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P26: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P27: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P28: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P29: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P30: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

- P31: Output Write Enable.

- 0 = No effect.
- 1 = Enables writing PIO_ODSR for the I/O line.

#### PIOA Output Write Disable

Name: PIOA_OWDR

Access: write-only

Address: 0xFFFFF4A4

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P1: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P2: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P3: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P4: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P5: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P6: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P7: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P8: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P9: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P10: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P11: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P12: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P13: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P14: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P15: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P16: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P17: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P18: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P19: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P20: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P21: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P22: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P23: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P24: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P25: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P26: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P27: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P28: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P29: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P30: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

- P31: Output Write Disable.

- 0 = No effect.
- 1 = Disables writing PIO_ODSR for the I/O line.

#### PIOA Output Write Status Register

Name: PIOA_OWSR

Access: read-only

Address: 0xFFFFF4A8

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0

- P0: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P1: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P2: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P3: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P4: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P5: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P6: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P7: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P8: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P9: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P10: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P11: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P12: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P13: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P14: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P15: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P16: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P17: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P18: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P19: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P20: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P21: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P22: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P23: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P24: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P25: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P26: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P27: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P28: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P29: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P30: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.

- P31: Output Write Status.

- 0 = Writing PIO_ODSR does not affect the I/O line.
- 1 = Writing PIO_ODSR affects the I/O line.