Multplexing two 7-Segment Displays with PIC16F84A


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  1. #1
    lawriem72's Avatar
    lawriem72 Guest

    Thumbs up Multplexing two 7-Segment Displays with PIC16F84A

    Hi All. I wish to ask anyone with knowledge on PIC16F84A processor to help me program a PIC16F84A to multiplexing two seven segment displays. The displays shall be displaying the content of a processor register. The number shall be between 00 - to - 99.

    I will greatly appreciate if it could programmed in Assembly Language.

  2. #2
    Join Date
    Jun 2007
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    Default multiplexing 7 segement

    i will tell u the procedure
    u need atleast 9 i/o pins for this project 7 for a,b,c,d,e,f,g, and two for switching one seven segement display at a time .Remember ,refereshing rate of display should be less then then 15msec to avoid flickering

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    Apr 2006
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    Smile info

    Hi lawriem72,
    See if this forum post helps:
    7-segment display with P16F84
    http://www.picbasic.co.uk/forum/showthread.php?t=6669

    It refers to this site:
    http://www.melabs.com/resources/articles/ledart.htm
    -Adam-
    Ohm it's not just a good idea... it's the LAW !

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