PIC programming algorithm - where is it to find?


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  1. #1
    Join Date
    Aug 2006
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    Default PIC programming algorithm - where is it to find?

    Hello,

    I was struggeling once again with programming problems and finally compared what my PICKit2 was doing "right" against my programmer(s) not succeeding.

    So, I finally noticed that Vdd control is the key.

    I use WINPIC and my (hopefully) last homemade programmer and added this control; since now, I have no problem at all.

    I would like to understand how the programming process works exactly and I'm looking to find some information about it.

    Unfortunately, I can find more than what is in the data-sheets (not enough for me... or to complicated).

    Does anyone know where this information can be found please?

    NB: in my understanding, an programming algorithm specifies i.e. the exact timing for a device ERASE sequence or for a device PROGRAM sequence.
    Roger

  2. #2
    Join Date
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    Post Programming Specification

    Hi Roger,

    Good “quest”.
    You may have already seen these items on the Microchip web site.

    http://www.microchip.com

    AN910 - PICmicro® Device Programming: What You Always Wanted to Know (But Didn’t Know Who to Ask)
    http://ww1.microchip.com/downloads/e...tes/00910a.pdf

    Programming Specification:
    PIC16F87XA Programming Specifications
    http://ww1.microchip.com/downloads/e...Doc/39589b.pdf

    In-Circuit Serial Programming? (ICSP™) Guide
    http://ww1.microchip.com/downloads/e...Doc/30277d.pdf

    -Adam-
    Ohm it's not just a good idea... it's the LAW !

  3. #3
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    Thumbs up Great!

    Thanks a lot.

    Cool links, just what I wanted.

    Merci and have a nice day.
    Roger

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