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Unsecure mc9s12xf512
pierre l. Apr 27, 2016 at 09:09 AM (09:09 hours)
Staff: Takao Y.

  • Hello,

    I would like to unsecure my microcontroller with the "P&E Mircocomputer Systems MC9S12 Unsecure Program" and the USB multilink.
    I have a 8MHz oscillator on my board (NCV73810V2GEVB).

    When I use the software, I have the following messages:

    Interface Cable Detected.
    Searching for Interface Speed...........
    ERROR - Communicating with target.
    Appropriate interface speed not found.

    Any idea ?

    Thank you,
    Pierre




    Comments

    • Hello,

      I would like to unsecure my microcontroller with the "P&E Mircocomputer Systems MC9S12 Unsecure Program" and the USB multilink.
      I have a 8MHz oscillator on my board (NCV73810V2GEVB).

      When I use the software, I have the following messages:

      Interface Cable Detected.
      Searching for Interface Speed...........
      ERROR - Communicating with target.
      Appropriate interface speed not found.

      Any idea ?

      Thank you,
      Pierre

  • Greetings,

    The problem is that the P&E interface you are using cannot find or communicate at all to your target board. A few questions for you:

    1) Which P&E multilink do you have and its revision?

    2) Are you using any custom hardware like adapters, custom ribbon cables, or other unique setup?

    3) Do you have all 4 BDM signals connected? BKGD = pin 1, GND = pin 2, RESET = pin 4, VDD = pin 6. Power up your board, disconnect the multilink, and measure the voltage on these BDM pins on your board and report back.


    Takao Yamada

  • Thank you Takao for your answere.

    I found the solution.
    I was using the "generic" from "HC12 Type" choise because I'm using a MC9S12XF512 and because XF wasn't in the others choise (XExxx/XSxxx/Pxxx/Gxxx).

    I try by blind chance the XExxx/XSxxx choise, and it worked !!!

    Maybe, there are some modification to do on the user interface because it isn't very understandable.

    Thank you again.

    Pierre

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