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→SPI Bus
An SPI bus is high speed full duplex bus. High speed means several mega-hertz (can be up to +20 MHz). The full duplex means communicates in both direction at the same time.
An SPI bus is high speed full duplex bus. High speed means several mega-hertz (can be up to +20 MHz). The full duplex means communicates in both direction at the same time.
SPI bus are very short (below 10cm) and use 3 wires + a "Slave Select" wire per device:
SPI bus are very short (below 10cm) and use 3 wires for the data bus + a "Slave Select" wire per device: