STM32 MCUs Products

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Resolved! FDCAN H5 Memory Access Failure

I'm experiencing FDCAN Memory Access Failures on the STM32H503KBUX during CAN Rx. I am also experiencing intermittent CAN Rx message drops (every 1 in a 200), and I believe the two are related since no others errors are firing. I know the drops are h...

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dnugent by Associate II
  • 299 Views
  • 5 replies
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USB Microphone Audio Class Driver

I am having the worst time trying to get ANY MCU on the planet to work right for this project. I want to build an i2s-USB bridge essentially. I can get the clocks right, I can get data from i2s (WM8782)➞DMA(Circular)➞|WALL|The only provided examples ...

pszsh by Associate
  • 113 Views
  • 0 replies
  • 0 kudos

STM32F207ZGT6 revision

Hello,Is it possible that STM32f207ZGT6 purchased in 2025 from an official distributor have an old silicon revisionrev_id = 0x200f? 

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pioczl by Associate
  • 211 Views
  • 2 replies
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Resolved! SPI Always Reads 0

I am having a problem reading SPI data on an STM32F407 where it always returns 0x00. I actually have this working using HAL on the same hardware, however for legacy reasons I need to get this working with SPL. This application is just sending clock s...

twjudge by Associate
  • 130 Views
  • 1 replies
  • 1 kudos

Resolved! PCB design with stm32h7 series (144 pin)

According to some reference it is good to have ground polygon under IC 1. Is it okay to have ground polygon under IC? 2. Does it effects heating issue?3. I saw two hole behind the IC of nucleo 144 board. What that mean? 

Ironman by Associate II
  • 506 Views
  • 6 replies
  • 2 kudos

Resolved! STM32G030C6 Getting Very Hot

On my current board the STM32G030 is getting very hot.  I have even tried a board with no connections to the processor and all pins set to analog.  I have checked the power supply and it's 3.3V.  The board runs OK but I am worried about the processor...

Overflow occurred when fetching Two encoder data

We are working with the STM32 Nucleo-G474RE board and using two quadrature encoders—NEMA 23 and NEMA 34—connected through AM26LS32 line receivers to TIM2 and TIM3 respectively, configured in encoder mode. In our project, we initialized TIM2 and TIM3 ...

USB Device MSC with External Flash

Hi team,            I am working on stm32F7 discovery board, I am working on USB MSC Device however i am not getting , how to configure external flash of this discovery board as Mass Storage. My main goal here is as soon as i connect the controller t...

Shikamaru by Associate III
  • 4541 Views
  • 14 replies
  • 0 kudos