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-V3 MiniE return DEV_TARGET_CMD_ERR

Hi,I'm using STLink-V3 MiniE tu flash STM32L432CCU6 on custom board.The signal mapped are SWDIO & SWCLK. I connect T_VCC to 3V3.The connexions are correct has I was able to flash the target.I'm using STM32CubeProgrammer CLI, and control the target po...

ABric.2 by Associate II
  • 1187 Views
  • 1 replies
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Bluenrg 232 power management

HelloI have a custom designed circuit with bluenrg232 soc. There is a capacitor connected to Vin. Our problem is that the circuit works at the first start but when I turn off the power and wait for 10 or 20 seconds, I start it but now the circuit doe...

MustafaE by Associate
  • 583 Views
  • 0 replies
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Cannot connect to target STM32G0316-DISCO

I had a working STM32G0316-DISCO board, but after programming the STM31G031 I cannot connect to the MCU anymore using ST-LINK. This is because I set pin 7 and 8 to a digital input whereas pin 7 and 8 are SWDIO and SWCLK respectively as well. This mes...

PPott.1 by Associate II
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  • 8 replies
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Resolved! STM32F100RBT6B development board

I'm trying to redesign the STM32F100RBT6B without ST-LINK. something I did from the STM32VLDISCOVERY schematic file. but the redesigned hardware was not working with STM32 ST-LINKER UTILITY. For your reference, I have attached a schematic file  showi...

saran by Associate II
  • 2116 Views
  • 4 replies
  • 1 kudos

help with ST link

i have a blue EVAL board (STM32H735G-DK) that I think stopped working.There is a ST-com LED that starts green but changes to RED and stays that way. The driver shows up on COM 3 in device manger. The STM32CubeIDE that I use does this at time but this...

ulao by Associate III
  • 4573 Views
  • 10 replies
  • 0 kudos