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SAM7S256_14 Datasheet, PDF (92/775 Pages) ATMEL Corporation – ARM-based Flash MCU | |||
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16.4 Watchdog Timer (WDT) User Interface
Table 16-1.
Offset
0x00
0x04
0x08
Register Mapping
Register
Control Register
Mode Register
Status Register
Name
WDT_CR
WDT_MR
WDT_SR
Access
Write-only
Read-write Once
Read-only
Reset
-
0x3FFF_2FFF
0x0000_0000
16.4.1 Watchdog Timer Control Register
Register Name:
WDT_CR
Access Type:
Write-only
31
30
29
28
27
26
25
KEY
23
22
21
20
19
18
17
â
â
â
â
â
â
â
15
14
13
12
11
10
9
â
â
â
â
â
â
â
7
6
5
4
3
2
1
â
â
â
â
â
â
â
⢠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.
24
16
â
8
â
0
WDRSTT
SAM7S Series [DATASHEET] 92
6175MâATARMâ26-Oct-12
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