Use CYCLONE programming spc5746c problem

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Use CYCLONE programming spc5746c problem

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yankuang1
Contributor III

Customer Programming the code into SPC5746c use CYCLONE,Programming 500 chips, but 20 failed to program,and the chip can not burn again.I tested the failed chips and found their reset feet were low.So I want to know generally what causes spc5746c in reset,and how to solve this problem?

1 Reply

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martin_kovar
NXP Employee
NXP Employee

Hello,

if there is logic 0 on reset line immediately after power on reset, this could be caused for example by double bit ECC error in HSM flash area.

Please check the thread below:

https://community.nxp.com/message/973294?commentID=973294#comment-973294 

If you can see some reset toggling immediately after power on reset, these chips can be accessed again for example by PeMicro Universal Multilink or Lauterbach debugger.

Regards,

Martin