
Mini-ITX EMB-A70M
Appendix A Programming the Watchdog Timer A-2
A.1 Watchdog Timer Initial Program
Table1:SuperIOrelativeregistertable
DefaultValue Note
Index 0x2E(Note1)
SIOMBPnPModeIndexRegister
0x2Eor0x4E
Data 0x2F(Note2)
SIOMBPnPModeDataRegister
0x2For0x4F
Table2:Watchdogrelativeregistertable
LDN Register BitNum Value Note
TimerCounter 0x07(Note3) 0x73(Note4) (Note24)
Timeofwatchdogtimer
(0~255)
Thisregisterisbyteaccess
CountingUnit 0x07(Note5) 0x72(Note6) 7(Note7) 1(Note8)
Selecttimeunit.
1:second
0:minute
WatchdogEnable
(KRST)
0x07(Note9) 0x72(Note10) 6(Note11) 1(Note12)
0:Disable
1:Enable
TimeoutStatus 0x07(Note13) 0x71(Note14) 0(Note15) 1 1:Cleartimeoutstatus
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