Advantech IPPC-8151S Series Manual de usuario descargar pdf (Pagina 43)

35 Chapter A

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

mov al, 60h

mov dx, 2Eh

out dx, al

mov dx, 2Fh

in al, dx

shl al, 8

mov al, 61h

mov dx, 2Eh

out dx, al

mov dx, 2Fh

in al, dx

; now, AX contains the base address

mov bx, ax ; save base address in BX

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

; exit configuration state

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

mov dx, 2Eh

mov al, 0AAh

out dx, al

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

; select WDT configuration

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

mov dx, bx

add dx, 67h

in al, dx

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