Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 713

WatchDog Timer – ADSP-2147x
written are ignored, but the write command cause the
WDTCURCNT
register to be reloaded from the register. If the watchdog is
WDTCNT
enabled with a zero value loaded to the counter, WDT expires
immediately and resets the system. The bit of the watchdog
WDRO
control register is also set.
ADSP-214xx SHARC Processor Hardware Reference 19-9
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