DFI G5C630-DR Manuel d'utilisateur télécharger pdf (Page 124)

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Watchdog Sample Code

Appendix A - Watchdog Sample Code

;Software programming example:

;----------------------------------------------------------------

;(1) Enter Superio Configuration mode

;----------------------------------------------------------------

MOV DX,4EH

MOV AL,87H

OUT DX,AL

;--------------------------------------------------------------------------------

;(2) Configuration Logical Device 8, register CRF5/CRF6/CRF7

; (WDT count mode / count value / control mode)

;--------------------------------------------------------------------------------

MOV DX,4EH

MOV AL,07H ;Ready to Program Logical Device

OUT DX,AL

MOV DX,4FH

MOV AL,08H ;Select Logical Device 8

OUT DX,AL

MOV DX,4EH

MOV AL,F5H ;Select CRF5

OUT DX,AL

MOV DX,4FH

IN AL,DX

OR AL,08H ;Set CRF5[Bit:3]=1, WDT count mode=Minute mode

OUT DX,AL

MOV DX,4EH

MOV AL,F6H ;Select CRF6

OUT DX,AL

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DFI G5C630-DR Manuel d'utilisateur Page 124