Sintrones VBOX-3600, User Manual, Page: 86 / 93

5.0 System Resource
User’s Manual Page 5-6
5.2.2 WDT Setting
I/O port: A10 (base address) + 05h and 06h
1 Watchdog Timer Control Register
The Watchdog Timer Control Register controls the WDT working mode. Write the value
to the WDT Configuration Port. The following table describes the Control Register bit
definition:
7 6 5 4 3 2 1 0
0 0 1 1 Timer
Unit
0 Select output
pulse width of
RSTOUT#
Debug Command Line
-
O A16 05
-
O A15 32 // 5 sec // 3A

5 minutes
Watchdog Timer Function
Watch dog timer is provided for system controlling. If time ‐ out can trigger one signal to
high/low level/pulse, the signal is depend on register setting.
The time unit has two ways from 1sec or 60sec. In pulse mode, there are four pulse
widths can be selected (1ms/25ms/125ms/5sec). Others, please refer the device
register description as below.
00 = 1 ms
01 = 25 ms
10 = 125 ms*
11 = 5 sec
0 = 1 sec
1 = 60 sec *