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.