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HARDWARE CONFIGURATION
Set the WDTE register as follows:
WATCHDOG TIMER
RESET
First, set the WDOS bit.
(Set WTE3 to WTE0 to a value other
than 0101. Do not set the CS bit.)
Do not perform this
operation at a time-out.
Set the CS bit concurrently with
starting the watchdog timer.
(Write 0101 at WTE3 to WTE0.)
NO
Watchdog time-out?
YES
Clear the WDGF flag.
Set WTE3 to WTE0 to a value other than 0101.
Do not rewrite the CS bit.
2-40
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