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Configuring and Accessing the Port 231
Setting the Bit Rate 234
Interrupts 237
Basic Operations 239
Configuring the Port 241
Sending Data 243
Receiving Data 244
Using Interrupts 253
Using Flow Control 256
*
Multiple On-chip UARTs 263
Firmware UARTs 263
External UARTs 263 *
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Steps in Exchanging a Message 268
Protocols 268
Using Existing Protocols 270
Debugging Tips 271
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Assigning Addresses 272
Detecting Addresses 272
Reserving Address Values 273
Defining a Message Format 273
9-bit Format 274
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7
Transceivers 281
Terminating and Biasing 283
Cabling 283
28
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Addresses 283
Message Format 283