STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32U5 + HAL_FLASH_Program() + DCACHE?

Hi,I am currently developing a small application with a STM32U5 where I write a few bytes into flash using HAL_FLASH_Program(). All seems to work fine. Except I can only read the data back after I do a reset. I suspect that DCACHE is playing a trick ...

JE by Associate III
  • 229 Views
  • 5 replies
  • 0 kudos

Resolved! CAN: Tx Delay Compensation is not working

HelloI am trying to get the STMN32G431 processor to do what I want.If I set the baudrates 500kB / 2MB and a samplepoint of 87.5% for both and send a CAN packet with FDF and BRS I get after 3 ms:LastError = Recessive Bit Error and 8 Tx errorsand 2 ms ...

Elmue by Associate II
  • 1118 Views
  • 13 replies
  • 4 kudos

LCD Driver Consuming more power in stop 2 mode

Post edited by ST moderator to be inline with the community rules especially with the code sharing. In next time please use </> button to paste your code. Please read this post: How to insert source code The LCD Driver in stm32u083rc is consuming mor...

Sumukha by Associate II
  • 554 Views
  • 8 replies
  • 1 kudos

Boot STM32H7Rx using SPI?

Hi, I want to design a board using a STM32H7Rx device that has only one Octo-SPI. I need this Octo-SPI to connect to an on board FPGA, so I can not use it for booting. Therefore I have some questions:Can I boot from standard SPI? I do not need to run...

CJans.1 by Associate III
  • 174 Views
  • 1 replies
  • 0 kudos

BOOT0 sampling timing

Posting mostly to record some data on a pretty data-free topic. How long after reset is released does the state of the BOOT0 pin get sampled? On the STM32F413 in particular, but it would be good to know how consistent the spec is. The official docs a...

24.png Screenshot 2025-10-09 at 3.19.23 pm.png 26.png
liteyear by Associate III
  • 157 Views
  • 1 replies
  • 1 kudos