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Q: Graphical Lcd Interface

Discussion in 'Electronic Design' started by Chris, Sep 27, 2004.

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  1. Chris

    Chris Guest

    I'm having problems on finding out if a pg12864 parallel lcd can be
    driven by just 2 or 3 wires, has anyone seen this done? I was thinking
    as an alternative to use a second pic to handle ui and lcd driving as an
    alternative...

    any thoughts / ideas?
     
  2. use a shift register, say HC 595, sort of a simple 3 wire
    interface.data, clock and load.
    If you can run the LCD in 4 bit mode it should be easy



    martin

    Serious error.
    All shortcuts have disappeared.
    Screen. Mind. Both are blank.
     
  3. ignore last post, forgot the "Graphical" side of it



    martin

    Serious error.
    All shortcuts have disappeared.
    Screen. Mind. Both are blank.
     
  4. Chris

    Chris Guest

    Right, shift register/4bit mode for a text interface, but for a graphics
    anyone have any ideas?


    I'm sort of leaning towards the seperate pic idea, instead of wasting
    program space on the main pic for ui code.
     
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