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Inter-Integrated Circuit (I2C)

Brief description:

I2C is a very common communication protocol typically used by microcontrollers to communicate with various peripheral ICs, typically on the same PCB. I2C has two wires, a data (SDA) and clock (SCL) line. Peripherals on the bus each have their own address. Among other reasons, I2C is attractive because it is highly standardized.

Top resources:
Example I2C Parts:
What Logic decodes:

  • Start Bit
  • Address Byte
  • Read/Write Bit
  • Data Byte(s)
  • Stop Bit

trello ID: 5729192c2bac88cd98eef3c9
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