Aaeon SBC-860, Руководство пользователя

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