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Downloading program with JTAG fails on i.MX8M Mini

Question asked by Thorsten Knölker on Jun 12, 2020
Latest reply on Jun 18, 2020 by Wigros Sun

Hi,

 

we are using a Variscite evaluation board which is equipped with an i.MX8M Mini. We try to download a simple test program into RAM using Segger JLink. JTag-connection could be established, but downloading always fails with the message "Failed to write to memory". We have tried different different RAM positions, but it didn't work.

 

Can somebody advise on how to do this? To which RAM address should the program be downloaded?

In the technical reference manual I read about the JTAG security modes. Which fuses have to be changed to get this working?

 

Thanks in advance!

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