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SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
17.5 Watchdog Timer (WDT) User Interface
Table 17-1. Register Mapping
Offset Register Name Access  Reset
0x00  Control Register WDT_CR Write-only –
0x04  Mode Register WDT_MR Read-write Once 0x3FFF_2FFF
0x08  Status Register WDT_SR Read-only 0x0000_0000