Advantech IPPC-8151S Series Uživatelský manuál stáhnout pdf (Strana 40)

IPPC-8151S User Manual 32

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

; select WDT timeout unit

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

mov dx, bx

add dx, 65h

mov al, 00h ; minute

out dx, al

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

; select WDT timeout value

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

mov dx, bx

add dx, 66h

mov al, 5 ; 5 minutes

out dx, al

3. Enable watchdog timer to be reset upon mouse interrupt

(Note: WDT timeout value must be set before this function can work)

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

; enter configuration state

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

mov dx, 2Eh

mov al, 55h

out dx, al

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

; select watchdog registers

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

mov al, 7

mov dx, 2Eh

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Advantech IPPC-8151S Series Uživatelský manuál Strana 40