Contents
x ADSP-21368 SHARC Processor Hardware Reference
Configuring Peripherals Using SRU1 .......................................... 4-71
Configuring the SPORTs ...................................................... 4-71
Configuring the PCGs .......................................................... 4-72
Configuring Peripherals Using SRU2 .......................................... 4-72
Configuring the SPI .............................................................. 4-72
Choosing the Pin Enable for the SPI Clock ....................... 4-72
Configuring the Two Wire Interface ...................................... 4-73
Using the SRU() Macro to Configure
the DAI ................................................................................... 4-76
SERIAL PORTS
Features ........................................................................................ 5-2
Operation Modes ......................................................................... 5-3
Serial Port Signals ......................................................................... 5-5
Serial Port Signal Sensitivity .................................................... 5-9
SPORT Operation Modes ........................................................... 5-10
Standard DSP Serial Mode .................................................... 5-12
Standard DSP Serial Mode Control Bits ............................ 5-13
Clocking Options ............................................................. 5-13
Frame Sync Options ......................................................... 5-13
Data Formatting ............................................................... 5-14
Data Transfers .................................................................. 5-15
Status Information ............................................................ 5-15
Left-Justified Sample Pair Mode ............................................ 5-16
Setting the Internal Serial Clock and Frame Sync Rates ..... 5-17
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