AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 110
AT91M40400-25C
Manufacturer Part Number
AT91M40400-25C
Description
16/32-bit Microcontroller, 2.7V to 3.6V Operating Range
Manufacturer
ATMEL Corporation
Datasheet
1.AT91M40400-25C.pdf
(116 pages)
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WD Enabling Sequence
To enable the Watchdog Timer the sequence is as follows:
1. Disable the Watchdog by clearing the bit WDEN:
2. Initialize the WD Clock Mode Register:
3. Restart the timer:
4. Enable the watchdog:
110
Write 0x2340 to WD_OMR
This step is unnecessary if the WD is already disabled
(reset state).
Write 0x373C to WD_CMR
(HPCV = 15 and WDCLKS = MCK/8)
Write 0xC071 to WD_CR
Write 0x2345 to WD_OMR (interrupt enabled)
AT91M40400
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