![]() ![]() Then flashed it with the FW version had SWD specified in the pinout view. Short-term solution: brought the nRST signal from the programmer to the reset line using the external wire (in my case it was easy, since I had a physical reset button on my board). it wouldn't have mattered if the nRST line was routed to the SWD interface on my board. ![]() ioc file (the pinout and configuration view in STM32CubeIDE) the startup code (generated by the SDK and CubeIDE) disables the SWD interface almost immediately after the power-up UNLESS you specify that you're using SWD in the.In my case, there were 2 reasons for this: Specifically I couldn't connect to the STM32 chip using SWD interface on my custom board, while everything worked fine on STM32F7xx running the same firmware on a NUCLEO board. ![]()
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