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xavius
xavius
Associate II
April 17, 2011
Question

I did LCD attempt with stm32 have a problem.

  • April 17, 2011
  • 2 replies
  • 850 views
Posted on April 17, 2011 at 09:50

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    2 replies

    Tesla DeLorean
    Tesla DeLorean
    Guru
    April 17, 2011
    Posted on April 17, 2011 at 15:54

    That's all great, but have you tried all the troubleshooting steps?

    Is the E pulse at least 450ns, because you have no delay or control over it's width in your code? Stick a scope on it and check.

    For a gross check, you could add some delays between all you pin transitions.

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    xavius
    xaviusAuthor
    Associate II
    April 17, 2011
    Posted on April 17, 2011 at 17:26

    Hi

    My application worked after connected smt32's ground and LCD's (I'm supplying my LCD with external +5V) ground they are at the same point.

    http://hotfile.com/dl/114791226/1badc8b/Video0015.3gp.html

     --> application video.

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