Transcription of Extending the SPI bus for long-distance …
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Extending the SPI bus for long-distance …
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.
16 Analog Applications Journal Texas Instruments Incorporated High-Performance Analog Products www.ti.com/aaj 4Q 2011 Interface …
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