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  1. #1
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    USB communication Protocole

    Hello

    Simple question

    Why Up to 127 devices can be connected to any one USB bus at any one given time ??

    Big Thanks
    gafsos

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  2. #2
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    Re: USB communication Protocole

    In USB the address of the device is 7 bits so there is a possibility of 128 addresses.
    Device address 0 is reserved for unconfigured devices and a device will have this address initially when it is plugged in.
    Cypress Semiconductor

    Alex
    Please don't make requests for help in private using PM. Create a thread in the forum so that other members can benefit from the posted answers.

    Consider reading this before posting : How To Ask Questions The Smart Way


    1 members found this post helpful.

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