Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
217
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
17.8.8 Clear
Name:
CLEAR
Offset:
0x8
Reset:
0x00
Property:
Write-Protected, Write-Synchronized
z
Bits 7:0 – CLEAR[7:0]: Watchdog Clear
Writing 0xA5 to this register will clear the Watchdog Timer and the watchdog time-out period is restarted. Writing
any other value will issue an immediate system reset.
Writing 0xA5 to this register will clear the Watchdog Timer and the watchdog time-out period is restarted. Writing
any other value will issue an immediate system reset.
Table 17-7. Watchdog Clear
Bit
7
6
5
4
3
2
1
0
CLEAR[7:0]
Access
W
W
W
W
W
W
W
W
Reset
0
0
0
0
0
0
0
0
CLEAR[7:0]
Name
Description
0x0-0xA4
Reserved
0xA5
KEY
Clear Key
0xA6-0xFF
Reserved