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Asking for the HD3SS3220 input pin polarity

SHH
Mastermind 32196 points
Other Parts Discussed in Thread: HD3SS3220

Hi Team,

The datasheet output polarity can swap withou problem.

I would like to confirm the HD3SS3220 input pin (pin9 and pin10) can swap the polarity, right?

add the schematic here. please help reivew.

Thanks,

SHH

  • 0
    TI__Mastermind 36085 points
    Hello SHH,

    There is no issue with swap polarity, per USB specification all the USB3 PHYs must be able to detect any polarity inversion and compensate it. And from our device's perspective, there is no issue because the HD3SS3220 is a passive switch and does not deal with the information on the SS lanes.


    Regards,
    Diego.