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F u l l-s i z e C P U C a r d
mov
out
mov
out
;============================ =======
; Select logical device
;============================ =======
mov
out
mov
out
;============================ =======
; Configure the watchdog timer controller registers
;============================ =======
mov
out
mov
out
mov
out
mov
out
Appendix A Programming the Watchdog Timer
al, 55h
2eh, al
al, 55h
2eh, al
al, 7
;index 7 for logical device
2eh, al
al, 7
2fh, al
al, 73h
2eh, al
al, 0ah
;index 73h for watchdog timer
time-out value
2fh, al
al, 72h
2eh, al
al, 0c0h
2fh, al
S B C - 8 6 0
;time-out value use second &
enable WDT output through
KRST
A -3
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