Aaeon PCM-6897/L, Manual

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Compact Board P C M - 6 8 9 7 / L
Appendix A Programming the Watchdog Timer
A -5
6 WDT output through KRST (pulse) enable
5-4 Reserved
3-0 Select the interrupt level Note for WDT
WatchDog Timer Time-out Value Register (Index=73h,
Default=00h)
Bit Description
7-0 WDT Time-out value 7-0
A.3 IT8712 initial WatchDog timer program
MODEL SMALL
.CODE
Main:
CALL Enter_Configuration_mode
CALL Check_Chip
mov cl, 7
call Set_Logic_Device
;time setting
mov cl, 10 ; 10 Sec
dec al
Watch_Dog_Setting:
;Timer setting
mov al, cl
mov cl, 73h