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kaouther
Visitor II
August 25, 2004
Question

USB on Atlasis board

  • August 25, 2004
  • 2 replies
  • 751 views
Posted on August 25, 2004 at 09:08

USB on Atlasis board

    This topic has been closed for replies.

    2 replies

    K
    kaoutherAuthor
    Visitor II
    August 25, 2004
    Posted on August 25, 2004 at 08:46

    I have problem with USB device detection and data corruption on the STPC Atlasis board.

    Does any one get this problem? How to get the Atlas USB working correclty?

    Thx.

    K
    kaoutherAuthor
    Visitor II
    August 25, 2004
    Posted on August 25, 2004 at 09:08

    Yes, this problem is resolved and it was an impedance mismatch on the board. This is the workaround.

    Add two capacitors to ground (100pF) on USB D- line after the ESD device

    USBDF01.

    The USB was tested with different devices under Wince4.2 & Win98 and it works correctly.

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