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TUSB8041: Port disable/power down

Anthony Jones
Prodigy 20 points
Part Number: TUSB8041

Is it possible to individually disable each of the four downstream ports?
If so how?

Thanks

  • 0
    TI__Guru**** 177476 points

    Hi

    USB host controllers can send commands to USB hubs to power on /off ports, but these USB commands would need to be generated by the host not the hub.  TI does not have a tool to do this.

    It is possible to configure the hub with disabled ports over I2C but this can only be done by setting Register 08h after the initial reset of the device, it is not intended to be configured real time.

    Thanks

    David