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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Resolved! ST-Link V3 Set is not detecting the target MCU (STM32F103C8T6) and also no voltage to power the MCU is coming out of SWD line.

have tried with STLink V2 and it's works fine. In the manual of ST-Link V3 they are not specifying any particular jumper settings for SWD. With a multimeter I cannot detect Vcc of 3.3V between the VCC and GND of SWD pins. Please find the below pictur...

0693W00000Y9P13QAF.png 0693W00000Y9P0tQAF.png 0693W00000Y9P0oQAF.png

ST-LINK V2.J32.S7 Firmware ??

Hello.We are working on a project that uses STM32H747 dual-core MCU.Debugging does not work well when downloading to the latest version.So I'm looking for the V2.J32.S7 firmware that I used before.Currently, the downloadable version is J36 or later.I...

mkim.2 by Associate II
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STM32F401: Voltage dependence of RAM

Hello,I am developing a bootloader that is entirely executed from RAM. If I run the code from a Nuceleo board the MCU is supplied with 3.3V, program executed fine. If i go to target hardware (which runs on 2.5V!!), the cycle speed is reduced by ~14%....

LGrüb.1 by Associate II
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