SPI Protocol
SPI shifts data full-duplex on separate COPI and CIPO lines synchronized to a controller-driven clock, with each peripheral selected by its own chip-select line rather than an in-band address. Clock polarity and phase (the four SPI modes) must match the peripheral, and the pin-per-device cost buys much higher throughput than I2C.
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SPI shifts data full-duplex on separate COPI and CIPO lines synchronized to a controller-driven clock, with each peripheral selected by its own chip-select line rather than an in-band address. Clock polarity and phase (the four SPI modes) must match the peripheral, and the pin-per-device cost buys much higher throughput than I2C.
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