ICOP Embedded 386SX PC/104 AIO CPU Module User's Manual
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readchip endp
writechip proc
out 22h, al
nop
nop
xchg ah, al
out 23h, al
nop
nop
xchg ah, al
ret
writechip endp
end main
Reset watchdog timer
R e s e t s t h e w a t c h d o g t i m e r p e r i o d i c a l l y to prevent timeout.
mov ax, 0c513h ; Unlock configuration
; register
call writechip
mov ax, 03C3Ch ; Reset watchdog timer
; counter
call readchip
or al, 00100000b ; The counter is reset at
xchg ah, al ; out 23h, al
call writechip
mov ax, 00013h ; Lock configuration
; register
call writechip
( t h e a b o v e c o d e u s e s r e a d c h i p a n d w r i t e c h i p p r o c e d u r e s )
Summary of Contents for ICOP-6050
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