Intel AR-B1760 user manual Clear watchdog timer

INSTALLATIONS

Enable_And_Set_Watchdog Endp ;[]=============================================== ; Name : Disable_Watchdog

;IN : None

;OUT : None ;[]=============================================== Disable_Watchdog Proc Near

call Unlock_Chip

mov	cl, 07h
mov	al, 08h
call	Write_Reg	;switch to LD8
xor	al, al
mov	cl, 0F6h
call	Write_Reg	;clear watchdog timer
xor	al, al
mov	cl, 30h
call	Write_Reg	;watchdog disabled

call Lock_Chip ret

Disable_Watchdog Endp ;[]=============================================== ; Name : Unlock_Chip

;IN : None

;OUT : None ;[]=============================================== Unlock_Chip Proc Near

Mov dx, 4Eh mov al, 87h out dx, al out dx, al ret

Unlock_Chip Endp ;[]================================================

; Name : Lock_Chip

;IN : None

;OUT : None ;[]================================================ Unlock_Chip Proc Near

mov dx, 4Eh mov al, 0AAh out dx, al ret

Unlock_Chip Endp ;[]================================================

; Name : Write_Reg

;IN : CL - register index

;AL - Value to write

AR-B1760 User’s Manual 27