LCD display glitches with interrupt

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  1. - 20th March 2012, 17:01 #7
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    fratello
    fratello is offline Senior Member
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    Default Re: LCD display glitches with interrupt

    I have three "type" of LCD display ; all are HD44780 compatible, all are Made in P.R.C. .
    Two of them "react" verry slow : it's impossible to use "scroll effect" and, sometimes, glitches...
    One of them (top of picture, left) it's OK ! All the informations are displaying correct and without any glitches, no matter what.
    I tested them using same hardware : 16F684 - without ussing interrupts !!!
    Maybe the hardware inside of LCD's it's the problem !
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