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Bob J. Jan 8, 2014 at 09:04 PM (21:04 hours)
Staff: Takao Y.

  • I am not clear if the Unsecure supports the MC68HC912B32 processor.  I have everything set correctly but I get:

    ERROR: Unsecure failed
    Check Frequency and Single Chip Mode

    Any one help?


    • Hi Bob,

      No, the B32 isn't supported. The Unsecure12 utility only works with HCS12 devices that have a Flash Security bit in the non-volatile flash memory.


  • Thanks

  • I am using the unsecure and it works fine with the Mulitlink Universal FX but I also have a Cyclone Pro and would like to be able to unsecure the HSC12 using this.  Is there a way?

  • Greetings,

    You can use the unsecure utility with the cyclone pro as well. But if want to unsecure during a standalone execution, then you should edit your cyclone image to unsecure. Go to your image creation utility and for HCs12 devices there should be an option to unsecure if communication fails.

    Takao Yamada

  • Greetings,

    Have any more questions?

    Takao Yamada

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