Sunday, September 4, 2011

(P89v51RD2) UART

Serial Communication is one of the essential component of embedded design. I am going to explain RS232 communication using this controller.
Let us go through the presentation which explains the register to configure
Look for PORT 3 Pin configuration PIN named RX & TX are used for Serial communication

When you make communication with computer you would need Max232 IC which is voltage translator. You can find its schematic online. As it is one of the most popular form of communication there are plenty of resources on this online.
You can search for schematic in google images and i bet it would be the first pic.

You can download code from here

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