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AAEON ETX-945GSE User Manual

Page 38

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E T X C P U M o d u l e

E T X - 9 4 5 G S E

Appendix A Programming the Watchdog Timer

A-5

WatchDog Timer Register III (Index=F7h, Default=00h)

Bit

7

: Mouse interrupt reset Enable or Disable

= 1 Watchdog Timer is reset upon a

Mouse interrupt

= 0 Watchdog Timer is not affected by

Mouse interrupt

Bit 6

: Keyboard interrupt reset Enable or
Disable

= 1

Watchdog Timer is reset upon a

Keyboard interrupt

= 0

Watchdog Timer is not affected by

Keyboard interrupt

Bit

5

: Force Watchdog Timer Time-out. Write

Only

= 1

Force Watchdog Timer time-out

event: this bit is self-clearing

Bit

4

: Watchdog Timer Status. R/W

= 1

Watchdog Timer time-out occurred

= 0 Watchdog Timer counting

Bit

3-0 : These bits select IRQ resource for

Watchdog. Setting of 2 selects SMI.