STM32 MCUs Products

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L431 stops working after enabling DAC

I am trying to use the onboard DAC to generate a sine signal. The program runs without any problem on the Nucleo L432KC board but it would not work on our PCB with L431. As soon as the DAC is enabled with LL_DAC_Enable(DAC1, LL_DAC_CHANNEL_1); the pr...

ZJing by Associate III
  • 1238 Views
  • 2 replies
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inline assembly macro inconsistent

I am using the STM32F746VET6. I am aware that assembly instructions do not have a guaranteed in execution time, however I am surprised how consistently inconsistent my inline assembly macro is behaving. I'm really hoping there is just a mistake in th...

RBack.1 by Senior
  • 4244 Views
  • 14 replies
  • 2 kudos

stm32h723vgh6 ethernet problem

Hi,I have some problems with LwIp on custom board. Cpu type - stm32h723vgh6, ethernet chip - adin1200ccpz.Phisical layer works fine (link led is up). I've generated cube project with UDP and ICMP support according to recommendations in example projec...

zemlemer by Associate
  • 1146 Views
  • 4 replies
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CAN-FD reset timer counter on RX pin data?

tldr; Can I have a timer counter reset (once / one-shot) when the RX pin of a CAN-FD peripheral is activated, so I can later determine the exact time elapsed?I have a chain of ~8 STM32 devices on a ~2m CAN-FD bus. Several MCU part numbers (mostly G4)...

StefanH by Associate III
  • 547 Views
  • 0 replies
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Trying to identify noise on the I2C bus

I'm working on STM32G491RET on the I2C bus. I've noticed intermittent noise on SDA and sparse timing inconsistency on the SCL as pictured. Could someone advise as to the nature/cause/imact of this. 

20230808_175110.jpg
aydamzn by Associate
  • 2111 Views
  • 7 replies
  • 4 kudos

Resolved! STM32H750 Quad SPI Flash Dual Image

Hello together,we have a board with an STM32H750I connected to a W25Q128 Quad SPI flash. We have our application code on the Quad SPI flash and run our application via XiP. This works fine. Now we work on our bootloader to update the application code...

ESawa.1 by Associate III
  • 2141 Views
  • 8 replies
  • 2 kudos

Resolved! STM32F4VE Board for Schematic Design CAD File

Hi,  I am reaching out to kindly request to get the CAD file of the STM32F4VE board. This CAD file would greatly facilitate the process of designing a customized schematic diagram of our project. Please help me to find out the cad file of the board.

Resolved! USB MSD/USB Stick example for STM32G4 Series

Hello, I have a STM32G4 evaluation board. My goal is to read and write to a USB thumb drive (pen drive/MSD device) using an STM32G4 microcontroller (bare-metal). When I look at the possible USB examples in the CubeIDE, I can't find any examples for M...

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ewilliams by Associate II
  • 1179 Views
  • 2 replies
  • 2 kudos