Advantech IPPC-6172A Series, User Manual

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IPPC-6172A User Manual 68
out dx, al
IODELAY
inc
dx
in al, dx
mov bl, al ; low byte in BL
IODELAY
;-----------------------------------------------
;
CONFIGURE GP60 AS WATCHDOG TIMER
;-----------------------------------------------
mov dx, bx
add dx, 47h
in
al, dx
IODELAY
or
al, 0ch ;WDT
and al, 0feh;output, don't touch bit 1
out
dx, al
IODELAY
;-----------------------------------------------
;
CONFIGURE WATCHDOG TIMER TIMEOUT UNIT
;-----------------------------------------------
mov dx, bx
add dx, 65h
mov al, 80h
; units(second)
out dx, al
IODELAY
;-----------------------------------------------
;
CONFIGURE WATCHDOG TIMER TIMEOUT VALUE
;-----------------------------------------------
mov dx, bx
add dx, 66h
mov al, ?
; timeout value
out dx, al
IODELAY
;-----------------------------------------------