4 aic source vector register, 5 aic interrupt vector register – Rainbow Electronics AT91CAP9S250A User Manual
Page 398
398
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
30.8.4
AIC Source Vector Register
Register Name:
AIC_SVR0..AIC_SVR31
Access Type:
Read/Write
Reset Value:
0x0
• VECTOR: Source Vector
The user may store in these registers the addresses of the corresponding handler for each interrupt source.
30.8.5
AIC Interrupt Vector Register
Register Name: AIC_IVR
Access Type:
Read-only
Reset Value:
0x0
• IRQV: Interrupt Vector Register
The Interrupt Vector Register contains the vector programmed by the user in the Source Vector Register corresponding to
the current interrupt.
The Source Vector Register is indexed using the current interrupt number when the Interrupt Vector Register is read.
When there is no current interrupt, the Interrupt Vector Register reads the value stored in AIC_SPU.
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
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