AAEON ACP-5217 - Manual (Page 75)

M u l t i - T o u c h P a n e l P C A C P - 5 2 1 7
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.