Advantech PCA-6005-B, User Manual

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PCA-6005-B User’s Manual 96
@@:
mov
al, byte ptr cs:[si]
out dx, al
inc si
loop short @B
ret
Unlock_8705Endp
Lock_8705ProcNear
mov
ah, 02h
mov al, 02h
call Set_8705_Reg
ret
Lock_8705Endp
;
; Enable watchdog timer and 10 seconds as timeout interval
;
:
:
:
call Unlock_8705 ; Unlock 8705
mov
al, 5 ; Select watchdog function
call Select_Logic_Device
mov ah, 30h ; Enable watchdog function
mov al, 1
call Set_8705_Reg
mov ah, 0FBh ; Set counter unit (second)
mov l, 00011000b
call Set_8705_Reg
mov ah, 0FCh ; Use GP67 (pin 85)
mov al, 37h