Atmel Evaluation Kit AT91SAM9X35-EK AT91SAM9X35-EK 数据表
产品代码
AT91SAM9X35-EK
144
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
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