"Program Memory Error" with MPLAB IDE (PBP)


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  1. #1
    Join Date
    Nov 2007
    Posts
    13

    Default "Program Memory Error" with MPLAB IDE (PBP)

    Hi,

    I am trying to program PIC 18F4525 using PBP in Micro Code Studio, which compiles the code successfully. When I use MPLAB IDE v7.50 to program the PIC, once or twice it works fine, but from then on it gives me a "FAILED" message and displays the following result -

    Device Type: PIC18F4525
    Address Range 0-1ff


    Program Memory Errors

    Address Good Bad

    0000: 6A00 0000
    0002: EFC9 0000
    0004: F000 0000
    0006: 50E9 0000
    0008: 6E08 0000
    000A: 9281 0000
    000C: 9081 0000
    000E: 9081 0000
    0010: 9293 0000
    0012: 9093 0000
    0014: 9093 0000
    0016: 0E0F 0000
    0018: 1693 0000
    001A: 5008 0000
    001C: B200 0000
    001E: D022 0000
    0020: 0E3A 0000
    0022: 6E02 0000
    0024: 0E98 0000
    0026: EC95 0000
    0028: F000 0000
    002A: 0E33 0000
    002C: 6E07 0000
    002E: D82F 0000
    0030: 0E13 0000
    0032: 6E02 0000
    0034: 0E88 0000
    0036: EC95 0000
    0038: F000 0000
    003A: D829 0000
    003C: 0E64 0000
    003E: EC94 0000
    Any additional errors are not displayed.


    Configuration Memory Errors

    Field : Oscillator
    Expected: INT RC-Port on RA6,Port on RA7
    Received: LP

    Field : Fail Safe Clock Monitor
    Expected: Enabled
    Received: Disabled

    Field : Internal External Switch Over
    Expected: Enabled
    Received: Disabled

    Field : Watchdog Timer
    Expected: Enabled
    Received: Disabled-Controlled by SWDTEN bit

    Field : Watchdog Postscaler
    Expected: 1:512
    Received: 1:1

    Field : Power Up Timer
    Expected: Disabled
    Received: Enabled

    Field : Brown Out Detect
    Expected: Enabled in hardware, SBOREN disabled
    Received: Disabled in hardware, SBOREN disabled

    Field : Brown Out Voltage
    Expected: 2.0V
    Received: 4.5V

    Field : Master Clear Enable
    Expected: MCLR Enabled,RE3 Disabled
    Received: MCLR Disabled, RE3 Enabled

    Field : CCP2 Mux
    Expected: RC1
    Received: RB3

    Field : Stack Overflow Reset
    Expected: Enabled
    Received: Disabled

    Field : Code Protect Boot
    Expected: Disabled
    Received: Enabled

    Code Protect 0800-3FFF Disabled Enabled
    Code Protect 4000-7FFF Disabled Enabled
    Code Protect 8000-BFFF Disabled Enabled
    Field : Data EE Read Protect
    Expected: Disabled
    Received: Enabled

    Field : Table Write Protect Boot
    Expected: Disabled
    Received: Enabled

    Table Write Protect 0800-3FFF Disabled Enabled
    Table Write Protect 4000-7FFF Disabled Enabled
    Table Write Protect 8000-BFFF Disabled Enabled
    Field : Data EE Write Protect
    Expected: Disabled
    Received: Enabled

    Field : Config. Write Protect
    Expected: Disabled
    Received: Enabled

    Field : Table Read Protect Boot
    Expected: Disabled
    Received: Enabled

    Table Read Protect 0800-3FFF Disabled Enabled
    Table Read Protect 4000-7FFF Disabled Enabled
    Table Read Protect 8000-BFFF Disabled Enabled




    PLEASE HELP !!!

  2. #2
    Join Date
    Nov 2007
    Posts
    13


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    Default

    I tried using different PICs, but still the problem persists. I tried switching to a different computer, it worked fine for the first couple of times and then again the problem appeared. I tried testing different codes with no luck.

    Please Help !!!

  3. #3
    Join Date
    Nov 2003
    Location
    Wellton, U.S.A.
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    5,924


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    Hi,

    I had a similar problem with 18F4320. Using a PICSTART PLUS and MPLAB.

    I bought the latest update chip for the PICSTART and that did not help. Then I contacted MICRO CHIP and was told to add a capacitor between VDD and VSS . Helped a little.

    The way I got it to work is to have the 18F4320 powered up during the programming process. Using the PICSTART as an ICSP, MCLR internal, and the "ground" from the programmer connected to the pic power supply "ground".

    I am not using MCLR for IO, have it set for internal to make things simple. The two programming pins are not used for IO either, again to keep things simple.

    If you want to use these pins and do ICSP there are ways around it but that is another subject.
    Dave
    Always wear safety glasses while programming.

  4. #4
    Join Date
    Sep 2004
    Location
    montreal, canada
    Posts
    6,898


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    Which programmer are you using?

    ICSP or in the ZIFF socket?

    If ICSP, did you loaded the PGM pin to gnd?
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.

  5. #5
    Join Date
    Oct 2005
    Location
    Sweden
    Posts
    3,516


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    Hi,
    I had a simmilar problem with the 18F2431. With help from other forum contributors this was found in the PICStart help-file:
    PICSTART Plus Limitations for PIC18F2331/2431
    All power supply (Vdd and AVdd) and ground (Vss and AVss) pins must be used in order for these devices to program. PICSTART Plus will handle Vdd, Vss and AVss properly, but you must place a 1kOhm resistor between Pin 7 (AVdd) and Pin 11 in the socket with the device for proper operation. There are other devices that may require the use of all power supply and ground pins. Consult the datasheet if an unexplained programming problem occurs, such as inconsistent programming.
    May be something to look into.

    /Henrik Olsson.

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