It8712 Watchdog Timer Initial Program - Aaeon EMB-9459T User Manual

M i n i - I T X
A.2 IT8712 Watchdog Timer Initial 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
call Superio_Set_Reg
;Clear by keyboard or mouse interrupt
mov al, 0f0h
mov cl, 71h
call Superio_Set_Reg
;unit is second.
mov al, 0C0H
mov cl, 72h
call Superio_Set_Reg
Appendix A Programming the Watchdog Timer A-6
E M B - 9 4 5 9 T R e v . B