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...

Resolved! Unit testing and system initialisation code

I am currently working on testing of some code using a testing tool. As nearly all of the code interacts with the hardware, it is easiest for me to do this on the target. The tool automatically builds the test environment and allows files and/or func...

CTapp.1 by Senior III
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  • 8 replies
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Error when running Debugger in STM32CubeIDE

Hi,I want to load a program into my STM32U575 microcontroller using the STM32Cube IDE debugger.This is my Debug configuration:But when I run the Debug, I get the following error:        Why do I get this error and how can I fix it?Best regards,

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mikel-m by Associate III
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Resolved! Project importation not working with STM32CubeIDE v1.9.0

Hello,I was working with STM32CubeIDE version 1.8.0 on a project. I just download version 1.9.0, trying to import the project.In the importation Wizard, when selecting the correct directory, the project name is displayed, but when clicking "Finish", ...

ANauz.1 by Senior II
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  • 3 replies
  • 5 kudos

STM32CubeMx not generating a project file on Mac

when I click open project from STM32CubeMx something tries to open then I get a python quit unexpectedly message, ok fine. then I try to open the project manually in the STM IDE only to find that there was no project file generated.can anyone advise ...

AP0LL0 by Associate
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  • 1 replies
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Resolved! Unable to access Calibration Words with STM32H503RBT

I try to read VREFINT_CAL word :  uint16_t *VREFINT_CAL=(uint16_t *)(0x08FFF810); uint16_t v = *VREFINT_CAL;  When running, Hard fault interrupt is called.Memory protect seems not active (MPU not used, GTZC not enabled).What can be the problem ?Thank...