Contec BX-700W Manual page 54

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Appendix
WDT Sample Code
SIO_INDEX_Port
SIO_DATA_Port
SIO_UnLock_Value
SIO_Lock_Value
WatchDog_LDN
WDT_UNIT
68h=minute, 40h=Disabled Watchdog timer
WDT_Timer
▶
Sample Code
;Enable config mode
mov
mov
out
jmp
jmp
out
;Change to WDT
mov
mov
out
mov
mov
out
;Acive WDT
mov
mov
out
mov
in
or
out
3-2
equ
equ
equ
equ
equ
equ
equ
dx, SIO_INDEX_Port
al, SIO_UnLock_Value
dx, al
short $+2 ;Io_delay
short $+2 ;Io_delay
dx, al
dx, SIO_INDEX_Port
al, 07h
dx, al
dx, SIO_DATA_Port
al, WatchDog_LDN
dx, al
dx, SIO_INDEX_Port
al, 30h
dx, al
dx, SIO_DATA_Port
al, dx
al, 01h
dx, al
04Eh
04Fh
087h
0AAh
007h
60h ; 6 0 h = s e c o n d ,
30 ;ex. 30 seconds