Transcription of Serial Peripheral Interface (SPI) - Oregon State University
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Serial Peripheral Interface (SPI) - Oregon State University
Serial Peripheral Interface (SPI)SPI = Simple, 3 wire, full duplex, synchronous Serial data transferInterfaces to many devices, even many non-SPI peripheralsCan be a master or slave interface4 Interface pins:-MOSI master out slave in- miso master in slave out-SCK Serial clock-SS_n slave select3 registers:-SPCR control register-SPSR status register-SPDR data registerSerial Peripheral Interface (SPI)Full duplex, synchronous Serial data transferData is shifted out of the master's (mega128) MOSI pin and in it's miso pinData transfer is initiated by simply writing data to the SPI data data movement is coordinated by SCK.
Serial Peripheral Interface (SPI) Full duplex, synchronous serial data transfer Data is shifted out of the master's (mega128) MOSI pin and in it's MISO pin
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