Datasheet

85
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
16.4 Watchdog Timer (WDT) User Interface
16.4.1 Watchdog Timer Control Register
Register Name: WDT_CR
Access Type: Write-only
• WDRSTT: Watchdog Restart
0: No effect.
1: Restarts the Watchdog.
•KEY: Password
Should be written at value 0xA5. Writing any other value in this field aborts the write operation.
Table 16-1. Register Mapping
Offset Register Name Access Reset Value
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
31 30 29 28 27 26 25 24
KEY
23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
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76543210
–––––––WDRSTT