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10-1
Asynchronous Serial Port
Asynchronous Serial Port
The ’C2xx has an asynchronous serial port that can be used to transfer data
to and from other devices. The port has several important features:
Full-duplex transmit and receive operations at the maximum transfer rate
Data-word length of eight bits for both transmit and receive
Capability for using one or two stop bits
Double buffering in all modes to transmit and receive data
Adjustable baud rate of up to 250,000 10-bit characters per second
Automatic baud-rate detection logic
For examples of program code for the asynchronous serial port, see Appendix C,
Program Examples
.
Topic Page
10.1 Overview of the Asynchronous Serial Port 10-2. . . . . . . . . . . . . . . . . . . . .
10.2 Components and Basic Operation 10-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.3 Controlling and Resetting the Port 10-7. . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.4 Transmitter Operation 10-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.5 Receiver Operation 10-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 10