STM32 MCUs Products

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Forum Posts

How to set the Device Number/Serial Number on stm32

Hello, everyone.So, I want to assign a serial number/device number to all my devices, and each device has a different serial number/device number. My question is, how can I change the serial number/device number with the same firmware without having ...

No_Name by Associate III
  • 33 Views
  • 1 replies
  • 0 kudos

Cannot enter DFU mode on STM32F446ZET6

Hi everyone,I’m working with a custom made STM32F446ZET6 board that otherwise functions perfectly (all peripherals, flash programming, etc. work fine). The only thing that doesn’t is the ROM bootloader. I can’t get USB DFU or UART boot to respond no ...

STM32H5 LPTIM PWM with DMA (BREQ = 1) undocumented

Hi,I want to use LPTIMx to output a PWM signal that changes duty cycle on each period with DMA. The HAL driver implementation for LPTIM PWM is completely wrong, so I tried to find out how to do this from TRM etc.LPTIMx has 3 DMA request events:2xCCRx...

CClau1_0-1761408901003.png
CClau.1 by Associate II
  • 37 Views
  • 0 replies
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Resolved! SWD connection failed multiple times on STM32H725

We have a batch of custom boards using the STM32H725IGK3 and have experienced several failures getting started with them as the SWD interface appears to be fried. Initially we thought just bad luck with the first couple (inexperienced engineers or ?)...

niallp by Associate
  • 172 Views
  • 8 replies
  • 5 kudos

Resolved! ISSUE WITH DSI MIPI ADAPTIVE COMMAND MODE HP TRANSMISSION

I am currently working with the STM32U5G9J-DK1 development kit interfacing with a Tianma-based display. I have successfully managed to update the display using adaptive command mode with DSI long and short write commands. However, I am encountering i...

JP.4 by Associate II
  • 982 Views
  • 3 replies
  • 1 kudos

STM32F446 starting squence

Hi everybody,I've two cards with a STM32F446 on them.My first one works very well, the µc starts a each time.On the second card, the µc starts sometimes (I have a LED on my card that blinks at start).I've checked Vcap (2.2µF), the 3V3 rising (1ms), b...

fab04 by Associate III
  • 100 Views
  • 4 replies
  • 2 kudos

Program STM32H7xx over UART3 timeout

So new problem while trying to bypass non functioning SWD...Using a working NUCLEO_H723 I can use the STM32CubeProgrammer to access it via STLINK (internal and external) as well as via USB DFU after reset with BOOT0 high.From my reading of AN2606, on...

niallp by Associate
  • 71 Views
  • 2 replies
  • 0 kudos