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How to troubleshoot ? PC can't find USB device from AT90USB162 bootloader

Discussion in 'AVR' started by b514488l, Nov 10, 2015.

  1. b514488l

    b514488l New Member

    Joined:
    Nov 9, 2015
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    Hi All,

    I am quite a newbie on MCU projects and just followed a schematic to integrate an AT90USB162 to an IC.

    As it has USB bootloader, I connect the IC to my PC and nothing happened. The PC cannot find even an unknown device from the USB ....

    How would you do the troubleshooting ??
     
  2. Ian Rogers

    Ian Rogers Super Moderator Most Helpful Member

    Joined:
    Mar 28, 2011
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    Rochdale UK
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    A bootloader isn't a HID device... You need a software host ( programmer ) to identify the device...
     

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