STM32CubeMX (MCUs)

Ask questions on STM32CubeMX. Discuss code generation and configuration challenges, among other topics.

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STM32CubeMX 6.17.0 released

We are pleased to announce that version 6.17.0 of STM32CubeMX is available. What is new in 6.17.0: Added support for new microcontrollers across the STM32WBA, STM32H5, and STM32U3 seriesAdded support for new boards: NUCLEO-WBA25CE1, NUCLEO-H5E5ZJ, ST...

Aimen1 by ST Employee
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Resolved! User LED2 mapping bug on Nucleo-H753ZI

Hello,  Began learning STM32 MCUs with my Nucleo-H753ZI board and I think I found a bug. The IO configurator on CubeIDE thinks user LED2 is on PB7 and is blue coloured. I'll paste the code it generates below. But in fact, the user manual UM2407 says ...

Building with -flto raise warning

Hi, I'm working on an stm32U0 with Makefile generated by CubeMX v6.17.0. The code has been built with: arm-none-eabi-gcc (Arm GNU Toolchain 14.3.Rel1 (Build arm-14.174)) 14.3.1 20250623 on a GNU/Linux machine.   When I appended the -flto switch to th...

enmarke by Associate II
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CubeMx error

With the attached ioc, CubeMx 6.17.0 freezes when I click on "Generate Code" on macos 14.8.3 . If I start it from the command line I can see this error in the console:2026-03-09 17:20:52,902 [INFO] UtilMem:75 - End SaveConfig() Used Memory: 550133736...

Resolved! STM32N6 RIF code generator EXTI attributes misuse

Cube MX v6.17.0 and even previous version v6.16.1 have a problem generating SystemIsolation_Config for STM32N6.I made a test IOC file. There are 3 SECURE checkboxes checked in RIF -> RIF Aware IPs -> EXTI1:Line 13 for  EXTI13Line 17 for RTC secure-wa...

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