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How to excute the program in the secured S12X MCU?

Question asked by 睿智 陈 on Nov 4, 2019
Latest reply on Nov 8, 2019 by lama

Hello,

      I'm using MC9S12XEQ512 MCU and CW IDE version 5.9.0. I get in trouble with a flash security problem.I've downloaded a program into the MCU by BDM and try to make it secured by setting flash security byte 0xBC at global address 0x7F_FF0F.It did work because the HI-WAVE interface didn't show any code there.After that,I want to unsecure it by meanings of backdoor key access,which has been included in the code.But it seems that the program doesn't run,because nothing was happened(I let the MCU send a CAN frame when it starts).So how could I excute the program?

 

Thanks. 

      

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