LCD port bit choices


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  1. #1
    Join Date
    Jun 2005
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    Dave I'm with you in this "problem." The answer you received from rossfree is correct. The data lines need to start at 0 or 4 on one of the three ports. RS and E can go anywhere.

    I too have a project using the USART, analog inputs, external interrupt, and much of port B. I ended up using PortB.4-7 for the datalines, PortB.3 for E, and PortC for RS. When I laid out the PCB this kept everything on one layer w/o overlap (vias). BTW I'm also using CCP1 to control contrast via PWM.

    Hope this helps.

  2. #2
    Join Date
    Oct 2004
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    Thanks guys,

    That clears things up. And I'll get back into that manual.

    Thanks again!

    Ross
    Never enough knowledge to be called intelligent but just enough knowledge to be considered dangerous!

    I like that! :-)

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