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...

"Connection to MyST" Does Nothing

When I try to log into myST from the IDE, it literally does nothing. I click on the button, but no window pops up, nothing happens in the browser, nothing happens in the IDE, no new windows are created. I don't even get any output on the CLI (if I st...

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antonly by Associate
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Resolved! live expressions bug

I use STM32CubeIDE version 1.14.1. When I'm in debug mode, the Values in the "Live Expressions" window are weird and wrong.However, I found out that after editing and putting a random value in one of the fields, it will be fixed.Beginning:  After wri...

beginning.png after edit.png

Resolved! not all register bits of nucleo-F439ZI are shown

Hi! I wish you are doing great!My problem is, I'm working on nucleo-f439zi board, in the reference manual, in register Flash-OPTCR, bit 4 is BFB2.But, when I choose the correct board (Nucleo-F439ZI), and go to debug mode, then SFRs, I only find F429 ...

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OMuha.1 by Associate
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Stm32f401ret6 with BNRG2A1

Dear TeamI am currently working on a BLE Mesh implementation. I have added the libraries in the project settings, but I am still getting errors. Please kindly respond.Description Resource Path Location Typecannot find -llibBlueNRG_Mesh_CM4-BNRG2A1_wc...

Kumar123 by Associate III
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Resolved! STM32CubeIDE Crashes When Opening a Project

Hallo, I'm facing with a problem of IDE v.1.18.1 crash starting from early today (OS Windows 11).This version has been being used al least 3-4 months , and even yesterday everything worked fine.Once I try to open IDE, it pretends to look for some upd...

DariaLav by Associate
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  • 2 replies
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Nucleo-G071RB , TARGET NOT RESPONDING

stm 32 nucleo -G071RB , TARGET NOT RESPONDING I am not able to run after dumping the code once i use the run commond after dumping i am getting  arget is not responding, retrying... Target is not responding, retrying... Shutting down... Target is no...

divzz by Associate
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  • 1 replies
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STM32H745 Core pauses when connecting with probe

I am using a STM32H745, STLINK-V3SET probe, and STM32CubeIDE.I have noticed that when I connect the debugger to the running core the core gets paused for ~2.5 seconds.Is there a way to connect the debugger to a running core without it pausing?Setting...

NBrick67 by Associate II
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  • 1 replies
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Resolved! Updated STM32CubeIDE, can't find device on target

I upgraded STM32CubeIDE to version 1.14.1 today and can no longer connect with my target.  The process  of updating CubeIDE also updated my STLink-V3PWR debugger to V3PWR V4.J3.B1.P4.  Now, programs that downloaded and ran just fine yesterday won't d...

magene by Senior II
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  • 12 replies
  • 2 kudos