easyHID question

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  1. - 26th October 2008, 01:09 #15
    Darrel Taylor's Avatar
    Darrel Taylor
    Darrel Taylor is offline Fanatical Contributor
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    Quote Originally Posted by keymuu View Post
    However, I have one question, what should one see on D+ and D-?
    Now those seem to be steady, about 100mV.
    That's not good.
    They are a differential pair. So when one is high, the other is low.
    You should never see both low.

    Oh, and according to the PCB layout, the B-type connector is wired to the SN65220 correctly, and the pinout is right. But is was a pretty small portion. Hard to tell where the traces go from there.
    Last edited by Darrel Taylor; - 26th October 2008 at 01:15. Reason: B-Type
    DT
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