AXIOMTEK CAPA310, Руководство пользователя, Страница: 69 / 75

CAPA310/313 3.5
” Board
Watchdog Timer 63
Appendix A
Watchdog Timer
A.1 About Watchdog Timer
After the system stops working for a while, it can be auto-reset by the watchdog timer. The
integrated watchdog timer can be set up in the system reset mode by program.
A.2 How to Use Watchdog Timer
Assembly sample code :
mov dx,fa10 ; 5 seconds (Maximum is 65535 seconds; fill in
; 0xFA10 and 0xFA11 register, ex: 0xFA11=0x01,
; 0xFA10=0x68 means 360 seconds)
mov al,05
out dx,al
mov
dx,fa12 ; Enable WDT
mov al,01
out dx,al