18
3.17 Keyboard/Mouse Connectors
The HS-2606 offers two possibilities for keyboard/mouse connections.
The connections are via
CN3
for an external PS/2 type
keyboard/mouse OR
CN13
for 6-pin header.
CN5: PS/2 6-pin Mini DIN KB/MS Connector
PIN
Description
1
Keyboard Data
2
Mouse Data
3
GND
4
+5V
5
Keyboard Clock
6
Mouse Clock
1
2
3
4
5
6
3.18 Watchdog Timer
Once the Enable cycle is active a Refresh cycle is requested before the
time-out period. This restarts counting of the WDT period. When the
time counting goes over the period preset of WDT, it will assume that
the program operation is abnormal. A System Reset signal will restart
when such error happens.
The following sample programs show how to enable, disable and
refresh the watchdog timer:
Summary of Contents for HS-2606
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