PIC16f877A first 8 bytes destroyed after closing PicKit2 programmer app....


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  1. #1
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    Finally is pickit's app bug.

    Just installed pickit 2.01 with the according firmware and all ok!!

    (next up is to see in which version introduced this bug , i will post as soon as i have results...

    result: PICKIT 2.40 is the latest working ok.
    Last edited by LakisFM1; - 9th February 2010 at 08:49.

  2. #2
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    Quote Originally Posted by LakisFM1 View Post
    Finally is pickit's app bug.
    I doubt that...
    ps....
    Found a strange solution...I program the PIC , i remove PIC from the socket , Close App , then Re-open App , Insert PIC in socket , Read PIC and data is now OK.
    Seems that something destroys the 8 bytes while closing or opening the PICKIT2 programer software..
    The PICkit2 does not have a socket. How do you have it connected?
    Dave
    Always wear safety glasses while programming.

  3. #3
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    with a small 40pin ICsocket > 6pin breadboard...

    I retried second time to use 2.55 still not working, so back to 2.40 for sure.

    I suspect is a bug of the Firmware 2.32.00 used both in 2.61 and 2.55.

  4. #4


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    I had the similar problem with PICkit 2 and 16F88. When PICkit 2's software was re-opened, a READ operation would erase some or all of the programming. The problem went away when I used chose Manual Device Select instead of automatic select. SW v2.61.

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