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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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...

STM32CubeIDE 1.18.1 released

We are pleased to announce that the minor release 1.18.1 of STM32CubeIDE is available. What is new in 1.18.1: This minor release will not bring any major updates to the STM32CubeIDE 1.18.1. It will be aligned with the STM32CubeMX 6.14.1. Main fixed i...

STM32CubeIDE 1.18.0 released

We are pleased to announce that the release 1.18.0 of STM32CubeIDE is available. What is new in 1.18.0: Microcontrollers, microprocessors, and board lists aligned with STM32CubeMX 6.14.0: Added the support for STM32WBA6xxx microcontrollers in the STM...

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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Resolved! I2C Acknowledge Polling

The eeprom I am using has no status byte/bit. In order to know if the device is busy you have to look for an ACK when repeatedly sending the address byte.I cannot find an easy way to do this using the CUBEIDE and the HAL. All the low level i2c routin...

RSoen.1 by Associate III
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  • 2 replies
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STM32CubeIDE 1.6.0 released

STM32CubeIDE 1.6.0 was released this week on st.com as well as a in-tool update patch.Caution: The in-tool update does not allow updating drivers and ST-LINK server tool. Full installer is required for this.What is new in 1.6.0? (only some highlights...