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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Forum Posts

How to disable SWO pin?

Hi all,I am using STM32F103C8T6 but would like to maintain if possible processor neutral discussion on how to disable SWO pin while debugging.So in the case with STM32F103C8T6 SWO pin is also shared with SPI CLK and while debugging this pin becomes u...

STM32H747 Stopped working after flashing

Hello.I made big board with STM32H743XI, and it works without glitch. Since STM32H747 is pin to pin compatible (TFBA240+40) I modified PCB that it will fit both processors. ( just a single ground was needed for SMPS, but i don't use it,)For some reas...

Linas L by Senior II
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STLinkv2-1 under Linux and ttyACM

Hi,Everyone who uses ST Link under ubuntu knows the waiting time to use the ttyACM to display traces.This time is due to the ModemManager trying to send commands for a few tens of seconds.When I try to disable this service or add the STLink to the BL...