Advantech TPC-1770 Manual de usuario descargar pdf (Pagina 40)

TPC-1770/1780 User Manual 32

A.3 Example Programs

1. Enable watchdog timer and set 10 seconds of timeout interval

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

; enter configuration state

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

mov dx, 2Eh

mov al, 55h

out dx, al

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

; select watchdog registers

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

mov al, 7

mov dx, 2Eh

out dx, al

mov dx, 2Fh

mov al, 0ah

out dx, al

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

; get base address

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

mov al, 60h

mov dx, 2Eh

out dx, al

mov dx, 2Fh

in al, dx

mov ah, al

mov al, 61h

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Advantech TPC-1770 Manual de usuario Pagina 40