Aaeon GENE-QM77 Rev.А Manuel d'utilisateur télécharger pdf (Page 69)

SubCompact Board GENE-QM77

Appendix A Programming the Watchdog Timer A-2

A.1 Programming

GENE-QM77 utilizes ITE IT8728F chipset as its watchdog timer

controller.

Below are the procedures to complete its configuration and the

AAEON intial watchdog timer program is also attached based on

which you can develop customized program to fit your application.

Configuring Sequence Description

After the hardware reset or power-on reset, the ITE 8728F enters

the normal mode with all logical devices disabled except KBC. The

initial state (enable bit ) of this logical device (KBC) is determined

by the state of pin 121 (DTR1#) at the falling edge of the system

reset during power-on reset.

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 100 101

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Aaeon GENE-QM77 Rev.А Manuel d'utilisateur Page 69