Advantech TPC-32 Series Manual do Utilizador descarregar pdf (Página 62)

TPC-1261H User Manual 52

Out dx,al

Inc dx

Mov al,10

Out dx,al

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

Dec dx ; lock W83627HF

Mov al,0aah

Out dx,al

2. Enable watchdog timer and set 5 minutes as timeout interval

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

Mov dx,2eh ; unlock W83627H

Mov al,87h

Out dx,al

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

Mov al,07h ; Select registers of watchdog timer

Out dx,al

Inc dx

Mov al,08h

Out dx,al

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

Dec dx ; Enable the function of watchdog timer

Mov al,30h

Out dx,al

Inc dx

Mov al,01h

Out dx,al

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

Dec dx ; Set minute as counting unit

Mov al,0f5h

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Advantech TPC-32 Series Manual do Utilizador Página 62