The main purpose of MIPI I3C is threefold:

  1. To standardize sensor communication,
  2. To reduce the number of physical pins used in sensor system integration, and
  3. To support low power, high speed, and other critical features that are currently covered by I²C and SPI.

MIPI I3C’s purpose is now widening to cover many types of devices currently using I²C/SMbus, SPI, and UART.

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