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 1.19.0 released

We are pleased to announce that the release 1.19.0 of STM32CubeCLT is available. What is new in 1.19.0: Support for ST Arm Clang toolchainMaintenance of the previous versionUpdated in accordance with STM32CubeIDE v1.19.0 Main fixed issues in 1.19.0: ...

Resolved! [Resolved] STM32CubeIDE project creation issue

Updated post to reflect permanent fix Dear STM32CubeIDE user, Further to the recent STM32CubeIDE project creation issue, we would like to inform you that a solution is now available for you. This permanent fix applies to all STM32CubeIDE versions. I...

STM32CubeIDE 1.19.0 released

We are pleased to announce that the release 1.19.0 of STM32CubeIDE is available. What is new in 1.19.0: Microcontroller, microprocessor, and board lists aligned with STM32CubeMX v6.15.0:Added the support for STM32MP21xx microprocessors to the STM32MP...

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...

Target unknown error 32 with STM32N6570-DK

Hi everyone, I am trying to program my board but suddenly I am getting Target unknown error 32 Error in initializing ST-LINK device. Reason: Unknown. Please check power and cabling to target.this error. I tried connecting my board with STM32CubeProg...

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STM32CubeIDE 1.15.1 Not Generating Code

I have an STM32G474 project that has been working for some time but the latest update doesn't generate code from the .ioc config GUI.If I make I make changes in the editor and select generate code, the pop flashes quickly and goes away but no code ge...

DamageG by Associate II
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  • 3 replies
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Resolved! CubeIDE "crash" after few moments

Hi All,I started to have issue with CubeIDE. It "crash" / "close itself" after few moment after startup. Log is attached. I have tried this:Uninstalled CubeIDE 1.18.1 and I have done clean install 1.19.0, without successI have created new workspaceI ...

JDosp.1 by Associate III
  • 353 Views
  • 4 replies
  • 1 kudos

Resolved! SystemCoreClock vs HCLK vs APB1

I am learning to use the PWM Input mode to measure input frequency. I am using examples from the internet to help me along.In my .ioc file SYSCLK is set to 8MHz and with a prescaler set to /8 my HCLK and APB1 are set 1MhzIn the examples I studied in ...

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xuraax by Associate III
  • 657 Views
  • 8 replies
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"There is no active editor that provides an outline"

Hello everyone, I am on Windows 11 and am using STM32CubeIDE version 1.18.0 (also tried on verison 1.18.1). I have logged into myST within the software as well (through Help->STM32Cube Updates -> Connection to myST). I can edit the pins in the .ioc f...

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deta by Associate III
  • 950 Views
  • 7 replies
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STM32 compile process size

Hi everyone.I've got a question about a strange aspect of my project and the compiling process.I have some files to be compiled for my project. The compile process goes fine, everything is correctly compiled and looking both on console output and bui...

Could not verify ST device on STM32F407VGT6

I have already updated my CubeIDE to the latest version 1.19.0 available on the official website. After writing the code with it, I attempted to download it to my F407VGT6 via STLink, but the download has never been successful. It always prompts "Cou...