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Debug Port Fail

Question asked by jlim on Mar 14, 2017
Latest reply on Mar 15, 2017 by Peter Vlna

Hi, is it possible to lock out debugger access after programming the DCF record in the UTEST memory region?

 

I am using the MPC5744P micro and the Lauterbach debugger. After programming a DCF record incorrectly, I am getting just a  "debug port fail' error without any additional error information when entering these commands: ‘SYStem.DETECT CPU’ or ‘SYStem.Up’. 

 

How do I go about unlocking the device?

 

Thanks

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