Acrosser AR-B1661 - Manual (Page 21)

AR-B1661 Manual
20
2.4 WATCHDOG TIMER CONFIGURATION
The function of the watchdog timer is to reset the system automatically and is defined at I/O port 0443H. To
enable disable the watchdog timer and allow the system to reset, the timer has a tolerance of 20% for its
intervals.
Read/Write Address：443H
8 7 6 5 4 3 2 1 0
E/D RESET Define Timing
Bit6：1 The setting time 1~61seconds。
Bit7 1=Enable Reset。
0=Disable Reset。
Bit8 1=Enable Watchdog。
0=Disable Watchdog。