A.1 Programming the Watchdog Timer
The
A.1.1 Watchdog Timer Overview
The watchdog timer is built into the super I/O controller W83627DHG. It provides the following
!Can be enabled and disabled by user program
!Timer can be set from 1 to 255 seconds or 1 to 255 minutes
!Generates an interrupt or resets signal if the software fails to reset the timer before
A.1.2 Programming the Watchdog Timer
The I/O port address of the watchdog timer is 2E (hex) and 2F (hex). 2E (hex) is the address port. 2F (hex) is the data port. You must first assign the address of register by writing an address value into address port 2E (hex), then write/read data to/from the assigned register through data port 2F (hex).
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