Transcription of Extending the SPI bus for long-distance communication
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Extending the SPI bus for long-distance communication
Interface (Data Transmission) texas instruments Incorporated Extending the SPI bus for long-distance communication By Thomas Kugelstadt Senior Applications Engineer The serial peripheral interface (SPI) bus is an unbalanced Over long distances, however, the transmission cable or single-ended serial interface designed for short-distance introduces significant propagation delay into the signal communication between integrated circuits. Typically, a path. Assuming a typical signal velocity of 5 ns/m, a 100-m master device exchanges data with one or multiple slave cable will cause a propagation delay of 500 ns. Because the devices. The data exchange is full-duplex and requires syn data sent from the master to the slave experiences the chronization to an interface clock signal.
Texas Instruments Incorporated High-Performance Analog Products Interface (Data Transmission)
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