Acnodes FES 7610 - Manual (Page 37)

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All rights reserved. Product description and product specifications
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please visit Acnodes’ web site at www.acnodes.com.
FES7610
Fanless Embedded Controller comes with
Intel Celeron M ULV 1.0GHz Processor
Example Program
1. Enable watchdog timer and set 30 sec. as
timeout interval
;-----------------------------------------------------------
Mov dx, 2eh ; Enter to extended function mode Mov
al, 87h
Out dx, al
Out dx, al
;-----------------------------------------------------------
Mov al, 07h ; Select Logical Device 8 of watchdog
timer
Out dx,al
Inc dx
Mov al, 08h
Out dx,al
;-----------------------------------------------------------
Dec dx ; Set second as counting unit
Mov al, 0f5h
Out dx,al
Inc dx
In al,dx
And al,not 08h
Out dx,al
;-----------------------------------------------------------
Dec dx ; Set timeout interval as 30seconds and start
counting
Mov al, 0f6h
Out dx,al
Inc dx
Mov al, 30
Out dx,al
;-----------------------------------------------------------
Dec dx ; Exit the extended function mode
Mov al, 0aah
Out dx,al