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9-1
Synchronous Serial Port
Synchronous Serial Port
The ’C2xx devices have a synchronous serial port that provides direct
communication with serial devices such as codecs (coder/decoders) and
serial A/D converters. The serial port may also be used for intercommunication
between processors in multiprocessing applications.
The synchronous serial port offers these features:
Two four-word-deep FIFO buffers
Interrupts generated by the FIFO buffers
A wide range of speeds of operation
Burst and continuous modes of operation
For examples of program code for the synchronous serial port, see Appendix C,
Program Examples
.
Topic Page
9.1 Overview of the Synchronous Serial Port 9-2. . . . . . . . . . . . . . . . . . . . . . .
9.2 Components and Basic Operation 9-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.3 Controlling and Resetting the Port 9-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.4 Managing the Contents of the FIFO Buffers 9-15. . . . . . . . . . . . . . . . . . . .
9.5 Transmitter Operation 9-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.6 Receiver Operation 9-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.7 Troubleshooting 9-27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 9