Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK データシート
製品コード
AT91SAM9N12-EK
70
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
11.10.4 AIC Interrupt Vector Register
Name: AIC_IVR
Address:
0xFFFFF100
Access:
Read-only
Reset:
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.
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
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