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PCA9546A: TIming requirement between two consecutive I2C access

Part Number: PCA9546A

Hi,

When we try to write I2C register of PCA9546A to choose the chnnel number we want, what would be the time required to finish this?  Customer would like to know how much delay they need to insert between two onsecutive I2C access with out chip.

Thanks!

Antony

  • Hello Antony,

    It depends on the operating frequency and if they are doing a repeated start or a stop-start condition.  You are looking at the following specifications: 

    Remember this is for fast mode, the specifications are different for other operating frequencies, see the datasheet.

    -Francis Houde