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...

Issue with running L152 discovery board + example.

I flashed the STM32 L152 discovery board with Cube IDE. I assume that if I run/debug the project with board plugged in, it will automatically upload the firmware. However, it shows as File download completeTime elapsed during download operation: 00:0...

ESHEE.1 by Associate
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Resolved! How can I calculate an approximate IWDG window ?

Development Board: Nucleo-L476RG.IDE version: STM Cube IDE 1.11.0For the system watchdog timer, there's an equation(attached.) Is there an equivalent equation for the IWDG ?Any suggestions would be appreciated.Thanks

mm.51 by Associate II
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Autocomplete (Content Assist) with any character

The current IDE does not open autocomplete automatically which is frustrating moving from "IntelliJ IDEA" to "Eclipse" it's not like the IDE is incapable of this, this is a working feature allowed for JAVA code just not C/C++In Cube IDE,Eclipse > Pre...

HBegn.2 by Associate
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Resolved! How do I enable SWV in my STM32Cube ide?

I am trying to use SWV viewer but in Debugger option, there is no SWV options available. Is it because of some faulty pin configuration? Because i ran a blink led program and it's working fine. Just the SWV, i cannot enable.

0693W00000Y7ZK6QAN.png
RShre.2 by Associate III
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Resolved! Wrong stack pointer for STM32F103C8

When creating a new project in the STM32CubeIDE for a STM32F103C8 (64k flash, 20k ram), the generated linker-script contains:/* Highest address of the user mode stack */ _estack = ORIGIN(RAM) + (LENGTH(RAM) / 2); /* end of "RAM" Ram type memory */   ...

ASeib.2 by Associate II
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Exceptions in logs.

Following exceptions occur very often while using STM32CubeIDE:Message: Unhandled event loop exceptionjava.lang.NullPointerException at org.eclipse.cdt.internal.ui.buildconsole.BuildConsoleManager.lambda$1(BuildConsoleManager.java:412) at org.eclipse...

HTD by Senior III
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Resolved! How to create project in CubeIDE for STM32H750B-DK board that will use internal (128KB) and qspi external flash for code - any examples or docs ?

Hello,I'd like to learn more and understand how to create project that will work with code in internal and (or only in) external Flash ?Examples in CubeH7 seems to be set to address of external Flash memory.Thanks in advance,regards.

bully by Senior
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