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When I debug with MYD-7Z010/20, errors are reported when downloading. Why? It’s the same with MY
 
Question
When I debug with MYD-7Z010/20, errors are reported when downloading. Why? It’s the same with MYD-C7Z015 development board.
Answer

If you want to debug the development board with JTAG, the MIO5 must be 0. But the hardware of MYIR’s development board has pulled up the MIO5 to 1, so the hardware conditions are not satisfied. You can debug with software method, copy a BOOT.bin file with FSBL to the SD card and run, make the development board enter abnormal start and then you use JTAG for debugging. If you don’t understand what abnormal start is, you can refer to this link:

https://www.elinux.org/The_download_and_simulation_problems_of_MYC-C7Z010/20_JTAG_and_the_solutions



 

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