Aic user interface – Rainbow Electronics AT75C310 User Manual
Page 33

AT75C310
33
AIC User Interface
Base Address: 0xFF030000
Note:
1. The reset value of this register depends on the level of the external IRQ lines. All other sources are cleared at reset.
Table 12. AIC Memory Map
Offset
Register Description
Register Name
Access
Reset State
0x000
Source Mode Register 0
AIC_SMR0
Read/write
0
0x004
Source Mode Register 1
AIC_SMR1
Read/write
0
–
–
–
Read/write
0
0x07C
Source Mode Register 31
AIC_SMR31
Read/write
0
0x080
Reserved
–
–
–
0x084
Reserved
–
–
–
–
Reserved
–
–
–
0x0FC
Reserved
–
–
–
0x100
IRQ Vector Register
AIC_IVR
Read-only
0
0x104
FIQ Vector Register
AIC_FVR
Read-only
0
0x108
Interrupt Status Register
AIC_ISR
Read-only
0
0x10C
Interrupt Pending Register
AIC_IPR
Read-only
(see Note 1)
0x110
Interrupt Mask Register
AIC_IMR
Read-only
0
0x114
Core Interrupt Status Register
AIC_CISR
Read-only
0
0x118
Reserved
–
–
–
0x11C
Reserved
–
–
–
0x120
Interrupt Enable Command Register
AIC_IECR
Write-only
–
0x124
Interrupt Disable Command Register
AIC_IDCR
Write-only
–
0x128
Interrupt Clear Command Register
AIC_ICCR
Write-only
–
0x12C
Interrupt Set Command Register
AIC_ISCR
Write-only
–
0x130
End of Interrupt Command Register
AIC_EOICR
Write-only
–