Aaeon EMB-A70M Manuale Utente Scaricare il pdf (Pagina 61)

Mini-ITX EMB-A70M

Appendix A Programming the Watchdog Timer A-2

A.1 Watchdog Timer Initial Program

Table1:SuperIOrelativeregistertable

 DefaultValue Note

Index 0x2E(Note1)

SIOMBPnPModeIndexRegister

0x2Eor0x4E

Data 0x2F(Note2)

SIOMBPnPModeDataRegister

0x2For0x4F

Table2:Watchdogrelativeregistertable

 LDN Register BitNum Value Note

TimerCounter 0x07(Note3) 0x73(Note4)  (Note24)

Timeofwatchdogtimer

(0~255)

Thisregisterisbyteaccess

CountingUnit 0x07(Note5) 0x72(Note6) 7(Note7) 1(Note8)

Selecttimeunit.

1:second

0:minute

WatchdogEnable

(KRST)

0x07(Note9) 0x72(Note10) 6(Note11) 1(Note12)

0:Disable

1:Enable

TimeoutStatus 0x07(Note13) 0x71(Note14) 0(Note15) 1 1:Cleartimeoutstatus

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Aaeon EMB-A70M Manuale Utente Pagina 61