In-circuit Programming.

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  1. - 17th April 2008, 12:28 #1
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    Default In-circuit Programming.

    Good day Picers

    I have always done my programming with the Microchip picstart plus for DIP PICs.

    I want to do In-circuit programming on SMD PICs now.
    What are the best options?
    I see Microchip have a "MPLAB REAL ICE" and the "MPLAB ICD 2".
    Are these the best programmers to use and what else do I need.
    Do I need any changes on my circuit side?

    Thank you
    Koossa
  2. - 17th April 2008, 13:16 #2
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    Hi, Koossa

    Depends on the pinouts you use ... but 3M builds "pinthrough" test chip carriers for SMD devices ... just build an adaptator to suit you need. ( to buy from Farnell i.e.)

    Microchip also sells ready to use adaptators ...

    Alain
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  3. - 17th April 2008, 13:33 #3
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    Alain

    Thank you for your reply.
    I want to program my SMD Pic while it is in the circuit.
    I'm not that clued up with this stuff, but what will the adaptor do?
  4. - 17th April 2008, 13:41 #4
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    So,

    ICD2 from Microchip
    PicFlash2 from Mikroelektronika ...

    are the ones I would recommend.

    Alain
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  5. - 17th April 2008, 13:56 #5
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    Thank you very much!!

    Do I need any modifications on my circuit if I move over to in-circuit programming?
  6. - 17th April 2008, 14:28 #6
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    Lightbulb

    The ICSP used pins must be disabled from your circuitry just for programming ... you re-enable those PCB tracks after programming by using jumpers or, simpler by tin drops on the PCB side.

    see here :

    http://www.mikroe.com/pdf/picflash_manual_v5.pdf

    It's the clearest document I know ...

    Alain
    Last edited by Acetronics2; - 17th April 2008 at 14:31.
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  7. - 17th April 2008, 15:07 #7
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    Thank you very much!!
    I really appreciate it!
  8. - 17th April 2008, 15:21 #8
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    Lightbulb

    By the way ...

    Think ICD2 is the most powerful and will allow 16 and 32 Bits ICSP Pics programming AND Debugging with MPLAB ...

    Only 8 bits with The PicFlash ... and no PbP debugging.

    But cost is also different !!!

    Alain
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  9. - 17th April 2008, 15:32 #9
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    Will I be able to do PbP debugging with the ICD2?
  10. - 17th April 2008, 15:42 #10
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    This also explains ICSP. http://ww1.microchip.com/downloads/e...Doc/51553E.pdf

    You can also adapt you PICSTART into a ICSP. I use 6x1 headers that match the PICKIT2 on the PCB. Make the adapter DIP to cable for the PICSTART , use MCLR, ICSPDAT, ICSPCLK, and VSS from the PICKSTART. Power is provided at the PCB.

    FOLLOW ALL OF THE ISOLATION GUIDELINES

    Now you can use a PICKIT2 or the PICSTART.

    My PICKSTART stays on the bench and my PICKIT goes on the road.

    Thats my two cents
    Dave
    Always wear safety glasses while programming.
  11. - 17th April 2008, 16:10 #11
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    Thank you Dave.

    Do I need the PICKIT2 to adapt the PICSTART into an ICSP?

    Koossa
  12. - 17th April 2008, 16:26 #12
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    No, sorry I made it confusing.

    All you need are the 4 wires from the PICSTART to the chip. Plus power at the chip.
    Dave
    Always wear safety glasses while programming.
  13. - 17th April 2008, 16:42 #13
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    You may want to read this.
    http://www.picbasic.co.uk/forum/show...2&postcount=25
    Dave
    Always wear safety glasses while programming.
  14. - 17th April 2008, 16:52 #14
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    maybe this one too
    http://www.auelectronics.com/Q8.htm
    Steve

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    There's no problem, only learning opportunities.
  15. - 17th April 2008, 17:45 #15
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    Thanks a Lot!!!
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