beautypg.com

NEXCOM PEAK 876VL2 User Manual

Page 60

background image

Copyright © 2011 NEXCOM International Co., Ltd. All Rights Reserved.

47

PEAK 876VL2/877VL2 User Manual

Appendix A: Watchdog Timer Setting

SetupWDT PROC

mov

dx, 2eh

mov

al, 087h

out

dx, al

nop
nop

out

dx, al

;Write operations to special address port

(2E) for entering MB PnP Mode.

mov

al, 07h

out

2eh, al

mov

al, 08h ;Select logical device for Watch Dog.

out

2fh, al

ret
SetupWDT ENDP

===============================================
TimeBaseWDT

PROC

mov

al, 0F5h

out

2eh, al

mov

al, 04h ; Here!! set 04h for second, set 0Ch for

minute(WDT output through WDTO)

out

2fh, al

ret
TimeBaseWDT ENDP

===============================================
TimeCountWDT PROC

mov

al, 0F6h ;WDT Time-out register.

out

2eh, al

mov

al, 03h ;Here!! Set count 3.

out

2fh, al

ret
TimeCountWDT ENDP

===============================================
ExitSetup PROC

mov

al, 0AAh

out

2eh, al

ret
ExitSetup ENDP
===============================================

This manual is related to the following products: