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...

Resolved! I'm confused by the power consumption estimate in STM32CubeIDE

I'm starting a new STM32H7A3 project in STM32CubeIDE. I've got the peripherals assigned and would like to understand more precisely how each peripheral and things like CPU frequency affects current draw. When I first click on the Tools tab without...

magene by Senior II
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  • 5 replies
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C++ Support in STM32CubeIde - class symbol not accepted

Hello All,I made a C/C++ project with STM32CubeIde version 1.1.0. It works fine. Then I added a C++ class by a cpp and hpp file. And tried to make an instance of the class in the main.c file. The compiler does not recognize "class" symbol in my hpp f...

Jens1 by Associate
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  • 3 replies
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Resolved! Error "mode armelf" on GNU Tools for STM32 9-2020-q2-update

I have gotten a new error on a 1.5.0 that i have to seen anyware else before.Fresh install of 1.5.0Migrate 1.4.0 projectOpen project propertiesOpen Toolchain managerInstalll gnu tools for stm32 9-2020-q2-updaterestart cubeideSwitch to fixed selected ...

marbel by Associate II
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  • 6 replies
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Resolved! Missing LPTIMx_OR registers when debugging L452RETx

When I try and debug my program using CubeIDE 1.6.1 there are no LPTIMx_OR registers shown in the SFR LPTIMx register blocks. Am I doing something wrong or is this broken in the debugging environment? Using SMT32Cube MCU Package L4 1.17.0.TIA Pete

How to get 12 sec time using RTC

Hi ,I not used RTC earlier and new to RTC.I am using STM32L151RCT6 MCU and creating the project in STM32Cube IDE.what are the settings i need to do to get RTC timing of 12 sec..I searched and got some information about alarm time setting and alarm in...

MBhir.11 by Associate III
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  • 2 replies
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Issue with System Clock Configuration

I am trying to program an STM32 MCU powered board that has the STM32F103R8T6 UNIT. I have figured out that while the program is executing the function called SystemClock_Config(); doesn't initialize the clock and goes to the error handler when croosi...

TProt.1 by Associate II
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  • 4 replies
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New to Nucleo F429ZI + CubeIDE, easy tutorials needed

Hi,I haven't found tutorials for noobs like me yet.At first I'd like to blink my own 16 leds stripe through GPIOs using the CubeIDE.I only managed to tweak the .ioc pinout configuration and I can boot a code that lights up the leds connected to CN7 a...

STM32CubeIDE project disappeared ??

I didn't see a group specific to STM32CubeIDE so I'm asking my question here.I debug on one computer and do code development on another. Typically I transfer the entire project folder using Team Viewer and have been doing this for a couple years now....

BTrem.1 by Senior II
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  • 1 replies
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Hal_init() never returns when TIM is selected (nucleo H755)

Hi Everyone!I just received 10 STM32H755 nucleo boards to use in a project in the company I work for. However, I haven`t been able to use them.I`m facing a problem with Hal_init(). When I select any timer as the Timebase Source Hal_init() never retur...

GCanc.1 by Associate II
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  • 11 replies
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