STM32CubeIDE (MCUs)

Ask questions on STM32CubeIDE. Discuss how to build, debug, configure, and optimize your project as well as how to use our software tools.

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STM32CubeCLT 1.20.0 released

We are pleased to announce that STM32CubeCLT 1.20.0 release is available. What is new in 1.20.0: Maintenance of the previous version: Updated in accordance with STM32CubeIDE v2.0.0Update of Clang toolchain version 19.1.6Update of GCC 13.3.rel1Update ...

Aimen1 by ST Employee
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STM32CubeIDE 2.0.0 released

We are pleased to announce that STM32CubeIDE 2.0.0 release is available. STM32CubeIDE is now independent from STM32CubeMX. With this release, device configuration, previously handled within STM32CubeIDE via STM32CubeMX, is now exclusively available t...

Aimen1 by ST Employee
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  • 0 replies
  • 3 kudos

STM32CubeIDE 2.0 release - early heads-up!

Starting from the release in November 2025, STM32CubeIDE and STM32CubeMX will be available exclusively in their standalone versions. STM32CubeMX will no longer be integrated inside STM32CubeIDE. Instead, the two tools will be interoperable in the sam...

C23 syntax highlighting in STM32CubeIDE (e.g. constexpr)

The STM32 toolchain based on gcc 13.3 already supports a lot of C23 features, e.g. constexpr. This is really awesome.But the current version of CubeIDE seems not to be able yet to parse these new features, so syntax checking / highlighting / code lin...

A.D. by Senior
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  • 2 replies
  • 2 kudos

Resolved! STM32Cube IDE 1.15.0 issue

After updating Cube IDE to version 1.15.0 the memory details & memory regions map in the build analyzer are not showing any informations beside the linker script file name in all my projects start to be bold!!!

MSale.1 by Senior
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  • 4 replies
  • 1 kudos

Account login issues caused by STM32CubeIDE 1.19.0

 When I try to log in to my account, the software prompts "Connection lost"After I rolled back the version to 1.17, this issue disappeared. Many users in the China region have encountered this problem, and it’s unclear if it exists elsewhere.

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ZnMnCr by Associate II
  • 190 Views
  • 1 replies
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Failed to execute MI command

I am trying to debug my hardware for the first time. I was working in TrueStudio 9.3.0 as I had started this project in it before STM32CubeIDE came out. When I started to try to debug my program to day I got an error. OK, maybe I should try STM32C...

Resolved! Can't Run or Debug from CubeIDE

HiI don't know what happens, I just restarted my laptop, then it does not run or debug from CubeIDE. Before I retarted the laptop, I was debugging.When I click to Run or Debug, there is nothing appearing in the console window.  I closed the IDE twice...

Chao by Senior II
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  • 21 replies
  • 3 kudos

Resolved! STM32H757 SWO Debug Error

Hello,I am experiencing the same issues as these individuals : https://community.st.com/t5/stm32-mcus-products/stm32h757-swo-debug-error/m-p/738531#M265220When I launch my debug with SWO enabled, I encounter errors upon launch, and if the errors are ...

MA4 by Senior
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STLINK-V3MINIE not handling breakpoints correctly

I created a support ticket for this issue but haven't heard back yet, but I wondered if anyone else has seen this issue before. I have been having an issue with my STLINK-V3MINIE for some time now. When I set and hit a breakpoint, the program will of...

Screenshot 2025-08-26 at 6.41.17 PM.png

STM32N6 SDRAM CLK is inactive

Hello,I cant start SDRAM to work, I ques what FMC controller do not initialize interface correctly because CLK is dead (bug !?), there is no activity at all, I connected oscilloscope to CLK output to check, if I toggle manually the pin PD9 (FMC_SDCLK...