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Original question:

TCA9548A: TCA9548 Reset and I2C Detection

TCA9548A: software reset via I2C

Ravikiran Deshpande
Prodigy 680 points
Part Number: TCA9548A

Team, 

Does TCA9548A I2C mux device supports software reset via I2C general call command 00h?

  • 0
    TI__Mastermind 38093 points

    Hi Ravikiran,

    TCA9548A does not have a software reset condition with general call command 0x00h. 

    Only two ways that can reset the I2C state machine are either a complete power on reset powering down VCC to GND, and then power back up. The other way is to assert a low signal on /RESET to reset the I2C state machine without powering down the device. 

    Regards,

    Tyler