AT32UC3L064-D3HES ATMEL [ATMEL Corporation], AT32UC3L064-D3HES Datasheet - Page 290

• Manufacturer Part Number: AT32UC3L064-D3HES
• Manufacturer: ATMEL [ATMEL Corporation]

16.6.2
Name:
Access Type:
Offset:
Reset Value:
When the Watchdog Timer is enabled, this Register must be periodically written within the window time frame or within the
watchdog timeout period, to prevent a watchdog reset.
• KEY
• WDTCLR: Watchdog Clear
32099D–06/2010
31
23
15
7
-
-
-
This field must be written twice, first with key value 0x55, then 0xAA, for a write operation to be effective.
Writing a zero to this bit has no effect.
Writing a one to this bit clears the WDT counter.
Clear Register
30
22
14
6
-
-
-
CLR
Write-only
0x004
0x00000000
29
21
13
5
-
-
-
28
20
12
4
-
-
-
KEY
27
19
11
3
-
-
-
26
18
10
2
-
-
-
AT32UC3L016/32/64
25
17
9
1
-
-
-
WDTCLR
24
16
8
0
-
-
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