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Please help me STM32F031K6 Nucleo board connection failure

LJeom
Associate

I have done the following things and ask for help with troubleshooting.

1. I bought two STM32F031K6_NUCLEO boards.

2. When the first USB cable is plugged into the board, the LD3 LED flashes and Demo F / W confirms normal operation

3. I did ST-Link upgrade with V2.J32.M22 version

4. In the STM32Cube_FW_F0_V1.9.0 package, the following example was compiled successfully by selecting Raw binary from the Output option of the project option

   STM32Cube_FW_F0_V1.9.0 \ Projects \ STM32F031K6-Nucleo \ Examples \ SPI \ SPI_FullDuplex_ComPolling \ EWARM \ Project.eww

   

5. I downloaded the generated binary file to the target in the following way

    Drag and Drop to the NODE_F031K6 folder of the board connected to the PC

6. Debugging in EWIAR produces a fatal failure message that MCU can not be found

7. Connecting to the target with ST-Link Utility results in connection failure

   In the Setting tab, the ST-Link Serial Number is recognized normally.

My problem now is that I can not connect to the target. I need help to solve this problem.

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