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An introduction to I2C and SPI protocols

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1 Author(s)
Leens, F. ; Byte Paradigm

Today, at the low end of the communication protocols we find the inter-integrated circuit (I2C) and the serial peripheral interface (SPI) protocols. Both protocols are well suited for communications between integrated circuits for slow communication with on-board peripherals. The two protocols coexist in modern digital electronics systems, and they probably will continue to compete in the future, as both I2C and SPI are actually quite complementary for this kind of communication.

Published in:

Instrumentation & Measurement Magazine, IEEE  (Volume:12 ,  Issue: 1 )