SHB120 LAG1156 Full-Size SBC U
ser’s Manual
Watchdog Timer
59
APPENDIX A
WATCHDOG TIMER
Watchdog Timer Setting
After the system stops working for a while, it can be auto-reset by the Watchdog Timer. The
integrated Watchdog Timer can be set up in the system reset mode by program.
Using the Watchdog Function
Start
Un-Lock WDT
:O 2E 87 ;
Un-lock super I/O
O 2E 87 ;
Un-lock super I/O
Set WDT Function
O 2E 2D
O 2F 20
Select Logic device
O 2E 07
O 2F 08
Activate WDT
:O 2E 30
O 2F 01
Set Second or Minute
O 2E F5
O 2F N
N=00 or 08(See below table)
Set base timer
:O 2E F6
O 2F M=00, 01, 02
FF(Hex) ,Value=0 to 255
Содержание SHB120
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