AT91FR40161 ATMEL Corporation, AT91FR40161 Datasheet - Page 93

• Manufacturer Part Number: AT91FR40161
• Description: The AT91FR40161 Features 136 K Bytes of On-chip SRAM, 2M Bytes of Flash, an External Bus Interface, a 3-channel Timer/Counter, 2 ...
• Manufacturer: ATMEL Corporation

WD Enabling Sequence
1354D–ATARM–08/02
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:
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)
AT91X40 Series
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