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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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...

Can't debug an Nucleo L011K4 after upgrade

I'm trying to learn some coding and STM32, and have been using STM32CubeIDE for some days now.But today it did an upgrade, and after that I can't download (or debug) my code.I have tried both OpenOCD and GDB-server.In OpenOCD it says:"Failed to execu...

NA.12 by Associate
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I want to change the MCU Reference.

I use STM32CubeIDE Version: 1.0.2.I chose STM32L4R5QGIx for MCU Reference. I did generate code. However, after that, I want to change the MCU Reference to STM32L4R5QII6 by operating STM32CubeIDE. Is it possible? What should I do if possible?

ashiz by Associate II
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Resolved! STM32CubeIDE, FreeRTOS, L082 device: CMSIS-RTOS v2 disabled?

Hi,I wanted to start learning FreeRTOS. I'm working with a L082 device, using CubeIDE. In the config file, I only can select CMSIS-RTOS v1 interface, v2 is disabled. But there's no explanation why.So, I don't know if the device is unsupported by v2 o...

RAltm by Senior
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  • 2 replies
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SYS in system core is not able to be configured.

Hi, I am using an stm32f091rc board and I am trying to configure the systick settings so that I can run Freertos on my board. However, I get the error shown in the picture. Does anyone know a fix for this? I am hoping that it is not a limitation of t...

MOstl.1 by Associate II
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Setup STM32 Project wizard incorrectly generates C++ target

When I select the following options from the Project Explorer using "New->STM32 Project":One would expect that the project would be set up as a C++ project, especially considering that the option is presented to the user.However this is not the case....

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etheory by Senior II
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How to debug local C/C++ application using STM32CubeIDE?

Using STM32CubeIDE version 1.0.2, I can create a "local C/C++ application", in this case, "hello world" that simply prints to the console, and it will create the proper file structure and compile a working x86 executable. I can execute this program ...

dale by Associate III
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  • 1 replies
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CPU freezing when inserting or removing a breakpoint

Hi,I've come across an issue whereby inserting or removing a breakpoint anywhere in my code when the processor is running causes execution to pause for ~180ms. I thought manipulation of breakpoint registers was independent of processsor execution sta...

dave2012 by Associate III
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  • 3 replies
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