Serial Peripheral Interface (SPI) with Audio Codec …

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. Figure 1-1 shows a block diagram of the SPI of the key features of this module are: Master and Slave modes support Four different clock formats Framed SPI protocol support Standard and Enhanced Buffering modes (Enhanced Buffering mode is not available on all devices) User-configurable 8-bit, 16-bit and 32-bit data width Two separate shift registers for transmission and reception SPIx receive and transmit buffers are FIFO buffers, which are 4/8/16-deep in Enhanced Buffering mode User-configurable variable data width, from 2 to 32-bit Programmable interrupt event on every 8-bit, 16-bit and 3

dsPIC33/PIC24 Family Reference Manual DS70005136A-page 2 2013 Microchip Technology Inc. 1.0 INTRODUCTION The Serial Peripheral Interface (SPI) module is a synchronous serial interface useful for

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