Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
152
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
17.3
Block Diagram
Figure 17-1. Watchdog Timer Block Diagram
= 0
1
0
set
reset
read WDT_SR
or
reset
or
reset
wdt_fault
(to Reset Controller)
set
reset
WDFIEN
wdt_int
WDT_MR
SLCK
1/128
12-bit Down
Counter
Current
Value
WDD
WDT_MR
<= WDD
WDV
WDRSTT
WDT_MR
WDT_CR
reload
WDUNF
WDERR
reload
write WDT_MR
WDT_MR
WDRSTEN