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TUSB2046B: Does the upstream side always keep in USB2.0 mode

dimitry chen
Expert 1145 points
Part Number: TUSB2046B


Dears

I want to make use when I plug USB.10 / 1.1 device (like KB, mouse etc.) in downstream side

The upstream side is keep in USB2.0 (high speed mode )or it will change to USB1.0 mode.

thanks

  • 0
    TI__Guru 60870 points
    Hi Dimitry,

    The TUSB2046B is a full speed hub, it does not support high speed. If you use a high speed hub ( TUSB4041 or TUSB4020B), the upstream port will stay at high speed even when the downstream ports are in full or low speed.

    Regards,
    JMMN