at91cap7e ATMEL Corporation, at91cap7e Datasheet - Page 94

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at91cap7e

Manufacturer Part Number
at91cap7e
Description
Customizable Microcontroller
Manufacturer
ATMEL Corporation
Datasheet

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Part Number:
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• KEY: Password
Should be written at value 0xA5. Writing any other value in this field aborts the write operation.
17.4.3
Register Name:
Access Type:
• WDV: Watchdog Counter Value
Defines the value loaded in the 12-bit Watchdog Counter.
• WDFIEN: Watchdog Fault Interrupt Enable
0: A Watchdog fault (underflow or error) has no effect on interrupt.
1: A Watchdog fault (underflow or error) asserts interrupt.
• WDRSTEN: Watchdog Reset Enable
0: A Watchdog fault (underflow or error) has no effect on the resets.
1: A Watchdog fault (underflow or error) triggers a Watchdog reset.
• WDRPROC: Watchdog Reset Processor
0: If WDRSTEN is 1, a Watchdog fault (underflow or error) activates all resets.
1: If WDRSTEN is 1, a Watchdog fault (underflow or error) activates the processor reset.
• WDD: Watchdog Delta Value
Defines the permitted range for reloading the Watchdog Timer.
If the Watchdog Timer value is less than or equal to WDD, writing WDT_CR with WDRSTT = 1 restarts the timer.
If the Watchdog Timer value is greater than WDD, writing WDT_CR with WDRSTT = 1 causes a Watchdog error.
• WDDBGHLT: Watchdog Debug Halt
0: The Watchdog runs when the processor is in debug state.
1: The Watchdog stops when the processor is in debug state.
• WDIDLEHLT: Watchdog Idle Halt
0: The Watchdog runs when the system is in idle mode.
1: The Watchdog stops when the system is in idle state.
• WDDIS: Watchdog Disable
94
WDDIS
31
23
15
7
AT91CAP7E
Watchdog Timer Mode Register
WDRPROC
30
22
14
6
WDIDLEHLT
WDRSTEN
29
21
13
5
WDT_MR
WDDBGHLT
WDFIEN
28
20
12
4
Read/Write Once
WDD
WDV
27
19
11
3
26
18
10
2
WDD
WDV
25
17
9
1
8549A–CAP–10/08
24
16
8
0

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