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SPC58 JTAG unlock
Tirthesh S. May 18, 2018 at 01:42 PM (13:42 hours)
Staff: Takao Y.

  • Hello, 

    I would like to know how to unlock JTAG password on SPC58xx series micros.
    Do I have to write to the UTEST sector using a S19 file to unlock? I am using Multilink Universal and PROGPPCNEXUS?



  • Greetings,

    UTEST is where you can write to censor the device to prevent JTAG communication.

    To "unlock" or uncensor the device you need to send the correct password before you can enter debug. Within PROG PPCNEXUS, when you open the software there will be a button for advanced options. There you can send the 64-bit or 256-bit password to uncensor the device.

    Takao Yamada

  • Thank you very much for the quick response. This is exactly what I was looking for.

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