STM32 MCUs Boards and hardware tools

Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.

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STLINK Error(DEV_TARGET_HELD_UNDER_RESET)

So I'm using an STM32F103C8T6 board and it was working fine a few days ago but then tried to load a code with keil vision compiler these days and it showed this message STLINK Error(DEV_TARGET_HELD_UNDER_RESET). After that using the STM32CubeProgramm...

JRF.1 by Associate II
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  • 3 replies
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ST-Link V2 not working in STM32CubeIDE

 This error is coming when I RUN/Debug program using STM32CubeIDE. I am Using ST-LinkV2 and STM32F103. These are my debugger setting in CUBEIDE for reference.Is my settings correct???? if not then tell me what to correct. P.S. ST-LinkV2 programmer an...

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KGupt.1 by Associate III
  • 3203 Views
  • 5 replies
  • 0 kudos

Resolved! MCU STM32F091VCT6 is in continuous reset mode.

I'm using STM32F091VCT6 controller. I'm tried to BOOT it. MCU does not stand by mode (either low power mode or continuous reset mode). I'm tried by increasing delay on VCC & POR by using 10uf cap of NRST pin also I'm tried weak pull down on BOOT0 pin...

Dubey by Associate
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  • 2 replies
  • 0 kudos