Aaeon ACP-5215 Manual de usuario descargar pdf (Pagina 39)

Multi-Touch Panel PC ACP-5215

Appendix A Programming the Watchdog Timer A-2

A.1 Programming

ACP-5215 utilizes ITE 8781 chipset as its watchdog

timer controller. Below are the procedures to complete its

configuration and the AAEON initial watchdog timer

program is also attached based on which you can

develop customized programs to fit your application.

Configuring Sequence Description

After the hardware reset or power-on reset, the ITE 8781 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.

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Aaeon ACP-5215 Manual de usuario Pagina 39