Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO データシート

365

SAM4E [DATASHEET]

Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14

Writing the RSWDT_MR reloads and restarts the down counter.

The RSWDT is disabled after any power-on sequence.

While the processor is in debug state or in idle mode, the counter may be stopped depending on the value
programmed for the WDIDLEHLT and WDDBGHLT bits in the RSWDT_MR.

0

WDV

WDD

RSWDT_CR.WDRSTT = 1

Watchdog 

Fault

Normal behavior 

Watchdog Error  

Watchdog Underflow 

FFF

if WDRSTEN is 1

if WDRSTEN is 0

Forbidden

Window

Permitted

Window