STM32 MCUs Products

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How to change MSI frequency on the fly ?

Hi, I am working on an STM32L476RCT6 and I use STM32CubeMX to configure the peripherals of the microcontroller.Currently the microcontroller runs on MSI, whose frequency is set at 8 MHz. The clock configuration is as follows :I want to use the USB in...

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VGava by Associate II
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STM32H735-DK reset

I have a demoboard STM32H735-DK. I develop a demo for my customer. All OK. But when I supply the card (with USB cable) the application-firmware doesn't run: I have to press the button reset for start it. Why? Thanks for your answer.

MGatt.2 by Associate II
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  • 1 replies
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NUCLEO-L412RB Pin stopped working as input

Im not sure if i fried a pin or if i am missing something, but i a using a NUCLEO-L412RBhttps://www.st.com/resource/en/user_manual/dm00387966-stm32-nucleo-64-p-boards-stmicroelectronics.pdfand i can use in PA6 as an ouput pin fine, but for some reaso...

TShem.1 by Associate II
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  • 6 replies
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Wake up pin identify issue

I use 3 wake up pin PA0,PC5 and PC13 .(MCU part number is STM32L452)When trigger wake up pin to wake up MCU from the standby mode.How to identify which WAKE UP PIN is triggered?

Adams by Associate II
  • 513 Views
  • 3 replies
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I can't work SPI Transmit with DMA by LL Library

Hi Seniors.I am a beginner who started to implement in the LL library.I would appreciate it if you could help me.What I want to do is very simple, I want to transfer one buffer divided into front and back by SPI (Slave) using DMA every second.The imp...

HNish.1 by Associate
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  • 0 replies
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BxCAN Frame and Form Errors Help

Hi Stm Forums. I'm a college student working on my capstone project that requires CAN bus communication between two STM32F1 and one STM32F4. For a little background each of the STM32F1's job is to read in sensor information, filter, and send that dat...

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AMont.4 by Associate
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  • 1 replies
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