AXIOMTEK eBOX621-801-FL Series, Руководство пользователя

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eBOX621-801-FL Series U
ser’s Manual
Watchdog Timer
81
Note :
When N’s value is 00h, the time base is set second.
M = 00: Time-out Disable
01: Time-out occurs after 1 second
02: Time-out occurs after 2 seconds
03: Time-out occurs after 3 seconds
.
.
FF: Time-out occurs after 255 seconds
When N’s value is 08h, the time base is set minute.
M = 00: Time-out Disable
01: Time-out occurs after 1 minute
02: Time-out occurs after 2 minutes
03: Time-out occurs after 3 minutes
.
.
FFh: Time-out occurs after 255 minutes

Sample of Watchdog application
Assume there is program A which needs to maintain runnin g in a system. The value of
W atchdog Timer must be set bigger than the running time of program A. Then, after the
running time of program A is finished, either to disable or to reset watchdog timer.
W hen program A has problems to make system shut down, th e system can be rebooted
by W atchdog timer when the value of watchdog timer is count downed to 0.
The below flowchart can be referred to edit program