Transcription of Serial Peripheral Interface (SPI) with Audio Codec Support
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2013 Microchip Technology 1 HIGHLIGHTSThis section of the manual contains the following .. and Control Registers .. of Operation .. Protocol Interface .. in Power-Saving and Debug of Various Resets .. Using SPI Modules .. Application Revision History .. 60 Serial Peripheral Interface (SPI) with Audio Codec SupportdsPIC33/PIC24 Family Reference ManualDS70005136A-page 2 2013 Microchip Technology Serial Peripheral Interface (SPI) module is a synchronous Serial Interface useful forcommunicating with external peripherals and other microcontroller devices. These peripheraldevices may be a Serial EEPROM, shift register, display driver, Analog-to-Digital Converter(ADC) or an Audio Codec . The dsPIC33/PIC24 family SPI module is compatible with Motorola SPI and SIOP interfaces.
In Normal mode operation, the SPI master controls the generation of the serial clock. The num-ber of output clock pulses corresponds to the transfer data width: 8, 16 or 32 bits, or depending upon variable data width configuration, from 2 to 32-bit. Figure 1-2 and Figure 1-3 illustrate SPI master-to-slave and slave-to-master device connections.
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