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ADSP-21569 EZ-kit RESET after power on

Dear ADI engineers,

In the morning, I use ADSP-21569 EZ-kit with SigmaStudio connected SPI, everything works fine. But after I replug SigmaStudio SPI connecter, the board's reset red LED is on, shown in the picture, and around the chip DP83867IR is extremly hot. Now due to the reset, I can't do anything with the ezkit. Thank you.

BR,

Sprak L

 

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