SR5i Technical Manual
TSP095.doc Issue 1.0 – July 2004
©
Money Controls 2004. All rights reserved.
22.4 Circuit 4 – ccTalk PC Interface
The circuit below shows how to connect the 9-pin serial port of a PC to the
ccTalk
data bus.
The only integrated circuit required is a Maxim level-shifter which operates off a 5V
supply. Any small-signal diodes and transistors can be used.
Figure 21: Circuit 4, ccTalk PC Interface