Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Hoja De Datos

151

SAM9X25 [DATASHEET]

11054E–ATARM–10-Mar-2014

0: Enables the Watchdog Timer.

1: Disables the Watchdog Timer. 

WDT_SR

0xFFFFFE48

Read-only

0: No Watchdog underflow occurred since the last read of WDT_SR.

1: At least one Watchdog underflow occurred since the last read of WDT_SR.

0: No Watchdog error occurred since the last read of WDT_SR.

1: At least one Watchdog error occurred since the last read of WDT_SR.
Note:

The WDD and WDV values must not be modified within a period of time of 3 slow clock periods following a restart of 
the watchdog performed by means of a write access in the WDT_CR register, else the watchdog may trigger an end 
of period earlier than expected.

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

–

–

–

–

–

–

WDERR

WDUNF