Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet
Product codes
ATSAM4E-XPRO
363
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
18.3
Block Diagram
Figure 18-1.
Reinforced Safety Watchdog Timer Block Diagram
= 0
1
0
set
reset
read RSWDT_SR
or
reset
or
reset
rswdt_fault
(to Reset Controller)
(ORed with wdt_fault)
(to Reset Controller)
(ORed with wdt_fault)
set
reset
WDFIEN
rswdt_int
(ORed with wdt_int)
(ORed with wdt_int)
RSWDT_MR
slow RC clock
1/128
12-bit Down
Counter
Current
Value
WDD
RSWDT_MR
<= WDD
WDV
WDRSTT
RSWDT_MR
RSWDT_CR
reload
WDUNF
WDERR
reload
write RSWDT_MR
RSWDT_MR
WDRSTEN
main RC clock
divider
main RC frequency
Automatic selection
[CKGR_MOR.MOSCRCEN = 0
and
(WDT_MR.WDDIS
or
SUPC_MR.XTALSEL = 1)]
1
0