Programming - Aaeon ETX-821 Manual

E T X C P U M o d u l e
A.1 Programming
ETX-821 utilizes ITE 8712 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 8712
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.
Appendix A Programming the Watchdog Timer
E T X - 8 2 1
A - 2