Appendix A Watchdog Timer - AXIOMTEK SBC8163 User Manual

SBC8163 Socket370 All-in-One CPU Card Series User's Manual
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Start
↓ ↓ ↓ ↓
Un-Lock WDT
↓ ↓ ↓ ↓
Set multiple (1~4)
↓ ↓ ↓ ↓
Set base timer (0~F)
↓ ↓ ↓ ↓
WDT counting
↓ ↓ ↓ ↓
re-set timer
↓ ↓ ↓ ↓
IF No re-set timer
↓ ↓ ↓ ↓
IF to disable WDT
Watchdog Timer
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: OUT 120H 0AH ; enter WDT function
OUT 120H 0BH ; enable WDT function
: OUT 120 0NH ; N=1,2,3 or 4
: OUT 121 0MH ; M=0,1,2,...F
: OUT 121 0MH ; M=0,1,2,...F
: WDT time-out, generate RESET or NMI
: OUT 120 00H ; Can be disable at any time
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