6 aic fiq vector register, 7 aic interrupt status register – Rainbow Electronics AT91CAP9S250A User Manual

Page 399

Advertising
background image

399

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

30.8.6

AIC FIQ Vector Register

Register Name: AIC_FVR

Access Type:

Read-only

Reset Value:

0x0

• FIQV: FIQ Vector Register

The FIQ Vector Register contains the vector programmed by the user in the Source Vector Register 0. When there is no
fast interrupt, the FIQ Vector Register reads the value stored in AIC_SPU.

30.8.7

AIC Interrupt Status Register

Register Name: AIC_ISR

Access Type:

Read-only

Reset Value:

0x0

• IRQID: Current Interrupt Identifier

The Interrupt Status Register returns the current interrupt source number.

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

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

Advertising