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

STM32H5 I3C dynamic address assignment

hi:I have two NUCLEO-H563ZI EVB boards  and tried to implement I3C controller and target feature.When ENTDAA was issued, I obtained the target 48-bit provisioned ID "0x020813810100" from waveform, I saw the description from I3C register  I3C_EPIDR ,i...

Garry by Associate II
  • 4200 Views
  • 13 replies
  • 6 kudos

Resolved! STM32U5A9J-DK1 USB Device as mass storage standalone question

Hi, @FBL  I am also using this board and STM32Cube_FW_U5_V1.8.0 to create a USBX stand-alone (without THREADX) MSC device,but struggling to get the board to enumerate with the PC.I'm not sure if it's a configuration issue or a code modification probl...

tod_0-1757551157942.png tod_1-1757551166322.png tod_2-1757551171176.png tod_3-1757551200781.png
tod by Associate III
  • 640 Views
  • 6 replies
  • 1 kudos

STM32U5 Burst length vs FIFO size

Hi all, i am going through deeper configuration of GPDMA on STM32U5 and there are some things i do not understand.S/DBL_1 in TR1 register is able to vrite destination/source burst length in range 0-63 but FIFO size is 8 bytes for channels 0-11 and 32...

Eiffel by Senior
  • 364 Views
  • 3 replies
  • 0 kudos

Resolved! FDCAN tx & rx FIFO size

Is there a way to set the FDCAN TX and RX FIFO sizes for STM32H7R7 in CubeIDE?I snooped around and found a list of macros that are responsible for determining the FDCAN RAM size in the stm32h7rsxx_hal_fdcan.c. Do I just modify these values to set the...

Screenshot 2025-09-13 at 12.44.55 AM.png Screenshot 2025-09-13 at 12.36.12 AM.png
Kwame by Associate II
  • 434 Views
  • 3 replies
  • 1 kudos

Resolved! STM32G491KCU3/6 Differences

I found https://community.st.com/t5/stm32-mcus-products/stm32g491kxu6-don-t-have-exposed-die-pad/m-p/625099#M231656 on differences between STM32G491KCU3 and KCU6. Is junction temperature range the only difference between these parts?