# AT91SAM7L128 AIC

## Advanced Interrupt Controller (AIC) User Interface

### Registers

Register Mapping
Address | Register | Name | Access | Reset
--- | --- | --- | --- | ---
0xFFFFF000 | Source Mode Register | AIC_SMR[32] | read-write | 0x0
0xFFFFF080 | Source Vector Register | AIC_SVR[32] | read-write | 0x0
0xFFFFF100 | Interrupt Vector Register | AIC_IVR | read-only | 0x0
0xFFFFF104 | FIQ Interrupt Vector Register | AIC_FVR | read-only | 0x0
0xFFFFF108 | Interrupt Status Register | AIC_ISR | read-only | 0x0
0xFFFFF10C | Interrupt Pending Register | AIC_IPR | read-only | 0x0
0xFFFFF110 | Interrupt Mask Register | AIC_IMR | read-only | 0x0
0xFFFFF114 | Core Interrupt Status Register | AIC_CISR | read-only | 0x0
0xFFFFF120 | Interrupt Enable Command Register | AIC_IECR | write-only | -
0xFFFFF124 | Interrupt Disable Command Register | AIC_IDCR | write-only | -
0xFFFFF128 | Interrupt Clear Command Register | AIC_ICCR | write-only | -
0xFFFFF12C | Interrupt Set Command Register | AIC_ISCR | write-only | -
0xFFFFF130 | End of Interrupt Command Register | AIC_EOICR | write-only | -
0xFFFFF134 | Spurious Interrupt Vector Register | AIC_SPU | read-write | 0x0
0xFFFFF138 | Debug Control Register | AIC_DCR | read-write | 0x0
0xFFFFF140 | Fast Forcing Enable Register | AIC_FFER | write-only | -
0xFFFFF144 | Fast Forcing Disable Register | AIC_FFDR | write-only | -
0xFFFFF148 | Fast Forcing Status Register | AIC_FFSR | read-only | 0x0

### Register Fields

#### AIC Source Mode Register

Name: AIC_SMR[0:31]

Access: read-write

Address: 0xFFFFF000

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | - | -
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- | SRCTYPE | - | - | PRIOR

- PRIOR: Priority Level

-

- SRCTYPE: Interrupt Source Type

-

#### AIC Source Vector Register

Name: AIC_SVR[0:31]

Access: read-write

Address: 0xFFFFF080

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
VECTOR
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
VECTOR
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
VECTOR
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
VECTOR

- VECTOR: Source Vector

-

#### AIC Interrupt Vector Register

Name: AIC_IVR

Access: read-only

Address: 0xFFFFF100

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
IRQV
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
IRQV
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
IRQV
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
IRQV

- IRQV: Interrupt Vector Register

-

#### AIC FIQ Interrupt Vector Register

Name: AIC_FVR

Access: read-only

Address: 0xFFFFF104

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
FIQV
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
FIQV
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
FIQV
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
FIQV

- FIQV: FIQ Vector Register

-

#### AIC Interrupt Status Register

Name: AIC_ISR

Access: read-only

Address: 0xFFFFF108

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | - | -
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- | - | - | IRQID

- IRQID: Current Interrupt Identifier

-

#### AIC Interrupt Pending Register

Name: AIC_IPR

Access: read-only

Address: 0xFFFFF10C

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
PID31 | PID30 | PID29 | PID28 | PID27 | PID26 | PID25 | PID24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
PID23 | PID22 | PID21 | PID20 | PID19 | PID18 | PID17 | PID16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
PID15 | PID14 | PID13 | PID12 | PID11 | PID10 | PID9 | PID8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
PID7 | PID6 | PID5 | PID4 | PID3 | PID2 | SYS | FIQ

- FIQ: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- SYS: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID2: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID3: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID4: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID5: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID6: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID7: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID8: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID9: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID10: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID11: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID12: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID13: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID14: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID15: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID16: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID17: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID18: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID19: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID20: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID21: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID22: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID23: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID24: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID25: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID26: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID27: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID28: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID29: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID30: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

- PID31: Interrupt Pending

- 0 = Corresponding interrupt is not pending.
- 1 = Corresponding interrupt is pending.

#### AIC Interrupt Mask Register

Name: AIC_IMR

Access: read-only

Address: 0xFFFFF110

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
PID31 | PID30 | PID29 | PID28 | PID27 | PID26 | PID25 | PID24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
PID23 | PID22 | PID21 | PID20 | PID19 | PID18 | PID17 | PID16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
PID15 | PID14 | PID13 | PID12 | PID11 | PID10 | PID9 | PID8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
PID7 | PID6 | PID5 | PID4 | PID3 | PID2 | SYS | FIQ

- FIQ: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- SYS: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID2: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID3: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID4: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID5: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID6: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID7: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID8: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID9: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID10: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID11: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID12: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID13: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID14: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID15: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID16: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID17: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID18: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID19: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID20: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID21: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID22: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID23: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID24: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID25: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID26: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID27: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID28: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID29: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID30: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

- PID31: Interrupt Mask

- 0 = Corresponding interrupt is disabled.
- 1 = Corresponding interrupt is enabled.

#### AIC Core Interrupt Status Register

Name: AIC_CISR

Access: read-only

Address: 0xFFFFF114

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | - | -
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- | - | - | - | - | - | NIRQ | NFIQ

- NFIQ: NFIQ Status

- 0 = nFIQ line is deactivated.
- 1 = nFIQ line is active.

- NIRQ: NIRQ Status

- 0 = nIRQ line is deactivated.
- 1 = nIRQ line is active.

#### AIC Interrupt Enable Command Register

Name: AIC_IECR

Access: write-only

Address: 0xFFFFF120

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
PID31 | PID30 | PID29 | PID28 | PID27 | PID26 | PID25 | PID24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
PID23 | PID22 | PID21 | PID20 | PID19 | PID18 | PID17 | PID16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
PID15 | PID14 | PID13 | PID12 | PID11 | PID10 | PID9 | PID8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
PID7 | PID6 | PID5 | PID4 | PID3 | PID2 | SYS | FIQ

- FIQ: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- SYS: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID2: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID3: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID4: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID5: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID6: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID7: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID8: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID9: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID10: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID11: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID12: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID13: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID14: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID15: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID16: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID17: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID18: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID19: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID20: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID21: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID22: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID23: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID24: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID25: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID26: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID27: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID28: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID29: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID30: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

- PID31: Interrupt Enable

- 0 = No effect.
- 1 = Enables corresponding interrupt.

#### AIC Interrupt Disable Command Register

Name: AIC_IDCR

Access: write-only

Address: 0xFFFFF124

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
PID31 | PID30 | PID29 | PID28 | PID27 | PID26 | PID25 | PID24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
PID23 | PID22 | PID21 | PID20 | PID19 | PID18 | PID17 | PID16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
PID15 | PID14 | PID13 | PID12 | PID11 | PID10 | PID9 | PID8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
PID7 | PID6 | PID5 | PID4 | PID3 | PID2 | SYS | FIQ

- FIQ: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- SYS: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID2: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID3: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID4: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID5: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID6: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID7: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID8: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID9: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID10: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID11: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID12: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID13: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID14: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID15: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID16: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID17: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID18: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID19: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID20: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID21: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID22: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID23: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID24: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID25: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID26: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID27: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID28: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID29: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID30: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

- PID31: Interrupt Disable

- 0 = No effect.
- 1 = Disables corresponding interrupt.

#### AIC Interrupt Clear Command Register

Name: AIC_ICCR

Access: write-only

Address: 0xFFFFF128

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
PID31 | PID30 | PID29 | PID28 | PID27 | PID26 | PID25 | PID24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
PID23 | PID22 | PID21 | PID20 | PID19 | PID18 | PID17 | PID16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
PID15 | PID14 | PID13 | PID12 | PID11 | PID10 | PID9 | PID8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
PID7 | PID6 | PID5 | PID4 | PID3 | PID2 | SYS | FIQ

- FIQ: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- SYS: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID2: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID3: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID4: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID5: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID6: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID7: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID8: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID9: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID10: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID11: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID12: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID13: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID14: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID15: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID16: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID17: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID18: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID19: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID20: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID21: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID22: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID23: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID24: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID25: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID26: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID27: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID28: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID29: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID30: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

- PID31: Interrupt Clear

- 0 = No effect.
- 1 = Clears corresponding interrupt.

#### AIC Interrupt Set Command Register

Name: AIC_ISCR

Access: write-only

Address: 0xFFFFF12C

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
PID31 | PID30 | PID29 | PID28 | PID27 | PID26 | PID25 | PID24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
PID23 | PID22 | PID21 | PID20 | PID19 | PID18 | PID17 | PID16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
PID15 | PID14 | PID13 | PID12 | PID11 | PID10 | PID9 | PID8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
PID7 | PID6 | PID5 | PID4 | PID3 | PID2 | SYS | FIQ

- FIQ: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- SYS: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID2: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID3: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID4: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID5: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID6: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID7: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID8: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID9: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID10: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID11: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID12: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID13: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID14: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID15: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID16: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID17: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID18: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID19: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID20: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID21: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID22: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID23: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID24: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID25: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID26: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID27: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID28: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID29: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID30: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

- PID31: Interrupt Set

- 0 = No effect.
- 1 = Sets corresponding interrupt.

#### AIC End of Interrupt Command Register

Name: AIC_EOICR

Access: write-only

Address: 0xFFFFF130

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | - | -
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- | - | - | - | - | - | - | -

#### AIC Spurious Interrupt Vector Register

Name: AIC_SPU

Access: read-write

Address: 0xFFFFF134

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
SIVR
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
SIVR
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
SIVR
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
SIVR

- SIVR: Spurious Interrupt Vector Register

-

#### AIC Debug Control Register

Name: AIC_DCR

Access: read-write

Address: 0xFFFFF138

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | - | -
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- | - | - | - | - | - | GMSK | PROT

- PROT: Protection Mode

- 0 = The Protection Mode is disabled.
- 1 = The Protection Mode is enabled.

- GMSK: General Mask

- 0 = The nIRQ and nFIQ lines are normally controlled by the AIC.
- 1 = The nIRQ and nFIQ lines are tied to their inactive state.

#### AIC Fast Forcing Enable Register

Name: AIC_FFER

Access: write-only

Address: 0xFFFFF140

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
PID31 | PID30 | PID29 | PID28 | PID27 | PID26 | PID25 | PID24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
PID23 | PID22 | PID21 | PID20 | PID19 | PID18 | PID17 | PID16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
PID15 | PID14 | PID13 | PID12 | PID11 | PID10 | PID9 | PID8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
PID7 | PID6 | PID5 | PID4 | PID3 | PID2 | SYS | -

- SYS: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID2: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID3: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID4: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID5: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID6: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID7: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID8: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID9: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID10: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID11: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID12: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID13: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID14: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID15: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID16: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID17: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID18: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID19: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID20: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID21: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID22: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID23: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID24: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID25: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID26: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID27: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID28: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID29: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID30: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

- PID31: Fast Forcing Enable

- 0 = No effect.
- 1 = Enables the fast forcing feature on the corresponding interrupt.

#### AIC Fast Forcing Disable Register

Name: AIC_FFDR

Access: write-only

Address: 0xFFFFF144

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
PID31 | PID30 | PID29 | PID28 | PID27 | PID26 | PID25 | PID24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
PID23 | PID22 | PID21 | PID20 | PID19 | PID18 | PID17 | PID16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
PID15 | PID14 | PID13 | PID12 | PID11 | PID10 | PID9 | PID8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
PID7 | PID6 | PID5 | PID4 | PID3 | PID2 | SYS | -

- SYS: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID2: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID3: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID4: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID5: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID6: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID7: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID8: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID9: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID10: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID11: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID12: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID13: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID14: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID15: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID16: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID17: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID18: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID19: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID20: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID21: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID22: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID23: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID24: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID25: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID26: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID27: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID28: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID29: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID30: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

- PID31: Fast Forcing Disable

- 0 = No effect.
- 1 = Disables the Fast Forcing feature on the corresponding interrupt.

#### AIC Fast Forcing Status Register

Name: AIC_FFSR

Access: read-only

Address: 0xFFFFF148

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
PID31 | PID30 | PID29 | PID28 | PID27 | PID26 | PID25 | PID24
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
PID23 | PID22 | PID21 | PID20 | PID19 | PID18 | PID17 | PID16
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
PID15 | PID14 | PID13 | PID12 | PID11 | PID10 | PID9 | PID8
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
PID7 | PID6 | PID5 | PID4 | PID3 | PID2 | SYS | -

- SYS: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID2: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID3: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID4: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID5: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID6: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID7: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID8: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID9: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID10: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID11: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID12: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID13: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID14: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID15: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID16: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID17: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID18: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID19: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID20: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID21: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID22: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID23: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID24: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID25: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID26: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID27: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID28: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID29: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID30: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.

- PID31: Fast Forcing Status

- 0 = The Fast Forcing feature is disabled on the corresponding interrupt.
- 1 = The Fast Forcing feature is enabled on the corresponding interrupt.