AAEON AEC-6920 - Manual (Page 48)

E m b e d d e d C o n t r o l l e r A E C - 6 9 2 0
Appendix A Programming the Watchdog Timer A-4
WatchDog Timer Configuration Registers
Configure Control (Index=02h)
This register is write only. Its values are not sticky; that is to say, a
hardware reset will automatically clear the bits, and does not
require the software to clear them.
WatchDog Timer Control Register (Index=71h, Default=00h)