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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Incorrect voltage on input pin of STM32L4Q5CG when pulled-up to supply voltage via external resistor

Hello All,I have the following setup:Stand-alone STM32L4Q5CG on 48-pin breakout board with coupling caps installedPB11 tied to 3.3V via external 4.7K pull-up resistorPB9 tied to 3.3V via external 4.7K pull-up resistorSTM32CubeMx rev. 6.0.1 Firmware p...

ebce3 by Associate II
  • 1388 Views
  • 6 replies
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Resolved! Read and write using ST-Link V2

Hi everyone,I do have 2 PCB boards based on STM32F030F4P6 MCU, the two PCBs have the same hardware and connection with other components, I read the first MCU's code using ST-LInk V2 -using SWD- and saved the .hex file to my PC then I wanted to re-pro...

AKh.2 by Associate II
  • 7659 Views
  • 12 replies
  • 0 kudos

LDO for STM32L433?

Hello, I would like to know what LDO regulator you recommend to use in my development, it uses a 7.2V Lithium battery pack. The application uses 5 GPIO's (4 output, 1 input), 1 I2C, 2 USART, 1 LPUART.

AStol.2 by Associate II
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  • 4 replies
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Resolved! Location of STM32H747I-DISCO BOOT0 pin

I have a board that is STM32H747I-DISCO which was bricked due to the power supply settings improperly set (Set to LDO when it shouldve been SMPS) in the code.The documentation say to boot with BOOT0 pin set in order to restore the working image, I do...

xlpaudst by Associate
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  • 2 replies
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Resolved! STM32F030R8T6 pin to pin alternative product

Hello Community. STM32F030R8T6 seems to be unavailable. This is a huge problem. Does it exist a pin to pin an alternative (also on other families (STM32F1, F2, f3...).STM32F030RC is NOT a solution since it appears not to be available too. In any case...

raffin by Associate III
  • 1090 Views
  • 3 replies
  • 0 kudos

STlinkV3 refined speed settings

Hi, I made a tool to flash/debug e.g. STmicro's (EBlink) that uses direct writing instead of external flash loaders. I noticed that the current speed step of the STlinkV3 goes from 8MHz directly to 24MHz with no jtag/swd speed settings in between. ...

bjorn2 by Associate III
  • 378 Views
  • 0 replies
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Resolved! ST Link Version for STM32G070 - V2 or V3?

Hello together, I'd like to know which ST Link is the one to work with a STM32G070.We have some old V2 ones which will not be updated because of the compatibility to old projects. Is it better to use the V3 or the latest V2? Thanks a lot.

DHoff.1 by Associate
  • 786 Views
  • 1 replies
  • 0 kudos