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TUSB8041-Q1: USB3.0 upstream, and USB2.0 downstream

Yuta Kurimoto
Expert 8280 points
Part Number: TUSB8041-Q1

Hello Team,

I got a question from customer about TUSB8041-Q1.

Upstream : connecting with CPU by USB3.0

Downstream : connecting with USB connector by USB2.0

Customer want to combine each USB2.0 data and they want to transmit the combined data by using USB3.0 line.

I'm not sure the TUSB8041-Q1 has such a function, and I'm not sure how to realize such requirement. Do you have any thought about this?

Thanks,

Yuta Kurimoto

  • +1
    TI__Guru 60865 points

    Helllo Kurimoto-san,

    This application is not supported by the USB specification.   The USB 3.0 bus and the USB 2.0 bus are completely separate with no protocol translation between the two busses.  This cannot be supported by our hub products.

    Regards,

    JMMN