A.2 Ite8783 Watchdog Timer Initial Program - Aaeon EMB-CV1 series Manual

Industrial motherboard

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I n d u s t r i a l M o t h e r b o a r d

E M B - C V 1 s e r i e s

A.2 ITE8783 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

Appendix A Programming the Watchdog Timer A-6

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