AAEON HSB-525I User Manual

Page 37

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H a l f - s i z e S B C

H S B - 5 2 5 I

Appendix A Programming the Watchdog Timer

A-4

= 010 Power LED pin is driven low.

= 011 Power LED pin outputs 2Hz pulse
with 50% duty cycle.

= 100 Power LED pin outputs 1Hz pulse
with 50% duty cycle.

= 101 Power LED pin outputs 4Hz pulse
with 50% duty cycle.

= 110 Power LED pin outputs 0.25Hz pulse
with 50% duty cycle.

=111 Power LED pin outputs 0.25Hz pulse
with 50% duty cycle..

Bit 4

: WDTO# count mode is 1000 times faster.

= 0 Disable.

= 1 Enable.

Bit

3 : select WDTO# count mode.

= 0

second

=

1

minute

Bit

2 : Enable the rising edge of keyboard Reset

(P20) to force Time-out event.

= 0 Disable

= 1 Enable

Bit

1 : Disable / Enable the WDTO# output low

pulse to the KBRST# pin (PIN60)

= 0 Disable

= 1 Enable

Bit

0 : Reserved.

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