4 interrupt enable register – Rainbow Electronics AT91CAP9S250A User Manual

Page 928

background image

928

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

45.4.4

Interrupt Enable Register

Register Name: ISI_IER

Access Type: Read/Write

Reset Value: 0x0

• SOF: Start of Frame

1: Enables the Start of Frame interrupt.

• DIS: Image Sensor Interface disable

1: Enables the DIS interrupt.

• SOFTRST: Soft Reset

1: Enables the Soft Reset Completion interrupt.

• CRC_ERR: CRC synchronization error

1: Enables the CRC_SYNC interrupt.

• FO_C_OVF: FIFO codec Overflow

1: Enables the codec FIFO overflow interrupt.

• FO_P_OVF: FIFO preview Overflow

1: Enables the preview FIFO overflow interrupt.

• FO_P_EMP

1: Enables the preview FIFO empty interrupt.

• FO_C_EMP

1: Enables the codec FIFO empty interrupt.

• FR_OVR: Frame overrun

1: Enables the Frame overrun interrupt.

31

30

29

28

27

26

25

24

–

–

–

–

–

–

–

–

23

22

21

20

19

18

17

16

–

–

–

–

–

–

–

–

15

14

13

12

11

10

9

8

–

–

–

–

–

–

FR_OVR

FO_C_EMP

7

6

5

4

3

2

1

0

FO_P_EMP

FO_P_OVF

FO_C_OVF

CRC_ERR

–

SOFTRST

DIS

SOF