Aaeon IMBA-Q77, User Manual

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I n d u s t r i a l M o t h e r b o a r d I M B A - Q 7 7
Appendix A Programming the Watchdog Timer
A-2
A.1 Programming
IMBA-Q77 utilizes W83627DHG 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
Unlock W83627DHG
Select register of
watchdog timer
Enable the function of
the watchdog timer
Use the function of the
watchdog timer
Lock W83627DHG
There are three steps to complete the configuration setup:
(1) Enter the W83627DHG config Mode
(2) Modify the data of configuration registers