at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 114

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

Advanced Interrupt Controller (AIC) User Interface
Base Address
Table 29. Register Mapping
Note:
114
Offset
0x10C
0x11C
0x12C
0x13C
0x100
0x104
0x108
0x110
0x114
0x118
0x120
0x124
0x128
0x130
0x134
0x138
0x140
0x144
0x148
0xFC
0x7C
0000
0x04
0x80
0x84
–
–
1. The reset value of the Interrupt Pending Register depends on the level of the external interrupt source. All other sources are
AT91RM3400
cleared at reset, thus not pending.
Register
Source Mode Register 0
Source Mode Register 1
–
Source Mode Register 31
Source Vector Register 0
Source Vector Register 1
–
Source Vector Register 31
Interrupt Vector Register
Fast Interrupt Vector Register
Interrupt Status Register
Interrupt Pending Register
Interrupt Mask Register
Core Interrupt Status Register
Reserved
Reserved
Interrupt Enable Command Register
Interrupt Disable Command Register
Interrupt Clear Command Register
Interrupt Set Command Register
End of Interrupt Command Register
Spurious Interrupt Vector Register
Debug Control Register
Reserved
Fast Forcing Enable Register
Fast Forcing Disable Register
Fast Forcing Status Register
The AIC is mapped at the address 0xFFFF F000. It has a total 4-Kbyte addressing space. This
permits the vectoring feature, as the PC-relative load/store instructions of the ARM processor
supports only an ± 4-Kbyte offset.
AIC_SMR31
AIC_SVR31
AIC_EOICR
AIC_SMR0
AIC_SMR1
AIC_FFDR
AIC_SVR0
AIC_SVR1
AIC_FFER
AIC_FFSR
AIC_CISR
AIC_IECR
AIC_IDCR
AIC_ICCR
AIC_ISCR
AIC_DCR
AIC_FVR
AIC_SPU
AIC_IMR
AIC_IVR
AIC_ISR
AIC_IPR
Name
–
–
–
–
–
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Read-only
Read-only
Read-only
Read-only
Read-only
Write-only
Write-only
Write-only
Write-only
Write-only
Write-only
Write-only
Read-only
Access
–
–
–
–
–
1790A–ATARM–11/03
Reset Value
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
–
–
–
–
–
–
–
–
–
–
–
–
(1)