Advantech INTEL AIMB-210 Manual do Utilizador descarregar pdf (Página 80)

AIMB-210 User Manual 68

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

Dec dx ; Lock W83627DHG

Mov al,0aah

Out dx,al

5. Generate a time-out signal without timer counting

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

Mov dx,2eh ; Unlock W83627DHG

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 ; Generate a time-out signal

Mov al,0f7h

Out dx,al ;Write 1 to bit 5 of F7 register

Inc dx

In al,dx

Or al,20h

Out dx,al

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

Dec dx ; Lock W83627DHG

Mov al,0aah

Out dx,al

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Advantech INTEL AIMB-210 Manual do Utilizador Página 80