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C o m p a c t B o a r d
A.1 Programming
PCM-8120 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.
There are three steps to complete the configuration setup: (1)
Enter the MB PnP Mode; (2) Modify the data of configuration
Appendix A Programming the Watchdog Timer
P C M - 8 1 2 0
A-2
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