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PCA9546adwr guideline need in Protocol wise & Hardware

Other Parts Discussed in Thread: PCA9546A

How  PCA9546adwr is interfaced with multiple device & any schematic diagram for it..?

  • Hello Karthik,

    The PCA9546A is a I2C switch, meaning it is able to connect multiple channels of I2C together to a main bus. See pictures below of an example

    You address the PCA9546A and tell it which channels you would like to have connected to the main bus (SDA/SCL pins). The master may communicate with the slaves on the individual channels.