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  1. #1
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    Question Fujitsu MB91F011 internal flash read/write

    Hello all.

    I have a faulty BCM-module from Chevrolet Captiva 2007, so I need to
    read/write its MCU flash memory, which is Fujitsu MB91F011.
    For this purpose I can use free Fujitsu tool "FR MCU Programmer V01,L28"
    and respective connection to PC COM-port.
    The problem is that this MCU-model isn't included in this version of the
    program: neither in chipdef.ini file, nor as respective hex-file
    "m_flash.011" (specific for each MCU) in the program directory.

    In order to add MB91F011 in chipdef.ini file, I have to know
    "LoadAddress", but I can't find any document for this MCU.
    I guess that:
    - "LoadAddress" is the start address in the internal-RAM-memory space,
    where hex-file "m_flash.011" = kernel has to be loaded from the PC.
    - "StartAddress" and "EndAddress" are the boundaries of the
    internal-FLASH-memory.

    [MB91F011]
    DownloadFile=m_flash.011
    LoadAddress=
    StartAddress=0x80000
    EndAddress=0xFFFFF
    FlashSize=0x80000
    Clock=4MHz
    Baud=9600
    Baud2=38400

    Those my decisions are based on existing settings for MB91F109 in
    chipdef.ini file and existing document for this MCU-model.

    The other option for this topic is to use other free tool- "Fujitsu
    Flash Kit Programmer 2.9". But there are same problems with config-file
    (Serial.cfg) and hex-file (aMB91F011.mhx), as MB91F011 isn't included in
    this tool version too.
    It seems that the versions of both tools are too fresh, so MB91F011 is
    excluded. And I can't find any older version, where MB91F011 is included.

    Could someone help me with documents and settings for MB91F011 internal
    flash operations ?

    Best regards,
    Anatolii
    Attached Files Attached Files
    Last edited by tonyM_75; 8th September, 2021 at 06:46 PM.

  2. #2
    DK Veteran
    credoline's Avatar
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    Default

    How many pins have yours MCU ? UPA USB original have some Fujitsu listed in software: MB91F058 060 061 062 067 and many more.

  3. #3
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    Tereksaz's Avatar
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    Default

    need add a next:
    ;
    ; chipdef.ini for FR(V01,L26)
    ;
    [MB91F011]
    DownloadFile=m_flash.013
    LoadAddress=0x3C000
    StartAddress=0x80000
    EndAddress=0xFFFFF
    FlashSize=0x80000
    Clock=4MHz
    Baud=9600
    Baud2=38400

    [MB91F013]
    DownloadFile=m_flash.013
    LoadAddress=0x3C000
    StartAddress=0x80000
    EndAddress=0xFFFFF
    FlashSize=0x80000
    Clock=4MHz
    Baud=9600
    Baud2=38400

  4. The Following User Says Thank You to Tereksaz For This Useful Post:

    fuzz1 (27th November, 2023)

  5. #4
    DK Veteran
    dimitar's Avatar
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    Default

    Try this one i had it in my phone for a long time i dont know if this mcu is supported
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    50w Soldering Iron
    Chisel
    Sometimes Hammer

 

 

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