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

Help with FD-CAN filter

Hello,I work with STM32G484, with FDCAN. I want to create filter so only messages with my own CAN_ID will reach HAL_FDCAN_RxFifo0Callback.I started by define the filter:filter.IdType = FDCAN_STANDARD_ID;filter.FilterIndex = 0;filter.FilterType = FDCA...

prigo87 by Associate II
  • 4583 Views
  • 6 replies
  • 0 kudos

Resolved! Different stm32F103 behaving differently

I have purchased STM32F103c8t6 microcontrollers from three different vendors, but they are behaving differently.I am working on CAN, and on the microcontrollers from one vendor, it is working properly. But on the microcontrollers from other two vendo...

Gladson_2-1711604190715.png Gladson_0-1711603786582.png Gladson_1-1711604090049.png
Gladson by Associate III
  • 977 Views
  • 2 replies
  • 3 kudos

Resolved! PWM jitter

Hello,  I am currently in the midst of developing a super simple system to create a varying load. It's basically to resistors in series with a transistor in parallel of the second resistor. The transistor is driven by a PWM signal to bypass the secon...

EliazLB by Associate III
  • 190 Views
  • 5 replies
  • 2 kudos

STM32U575ZIT6 USB FS problem

Hello all, i got a firmware configuration problem, basically im using USB in FS modem and when i plug in the usb to  the pc what happens is that sometimes it can be recognized and i see a network disk called ''boot'' but most of times it cant be reco...

Resolved! STM32H7B3VIH6's LTDC does not generate pixel outputs

All control signals seem to be good: `DEN`, `VSYNC`, `HSYNC`, `CLK`. but pixel signals (R0 ~ R7, G0 ~ G7, B0 ~ B7) are always low. 1) DEN. 2) HSYNC. 3) VSYNC. 4) CLKalthough control signals correctly work, no pixel data lanes do not. Code that genera...

KakaoTalk_20250514_195533074.jpg KakaoTalk_20250514_195533074_01.jpg KakaoTalk_20250514_195533074_02.jpg KakaoTalk_20250514_195533074_03.jpg
jaehoon by Associate II
  • 120 Views
  • 3 replies
  • 1 kudos

Resolved! STM32H7RSxx TRM: MDIO CSR

Hi,The STM32H7RSxx  TRM  specifies, for ETH_MACMDIOAR, the following CSR values: Bits 11:8 CR[3:0]: CSR Clock RangeThe CSR Clock Range selection determines the frequency of the MDC clock according tothe CSR clock frequency (eth_hclk):0000: MDC clock ...

simo zz by Senior
  • 187 Views
  • 4 replies
  • 3 kudos

Resolved! Function to check flash page erased not working

I have the following function to verify that a full flash sector is erased but the code never seems to exit this function and I believe it gets stuck at the point where I dereference the address value. What could be the issue?static bool check_sector...

DMA with UART

Hello,I am trying to implement Modbus protocol in an efficient way. Untill now I have implemented everhting with UART interuot based Transmission and recption. Now I would like to implement with DMA to offload controller from much neavy lifting. For ...

Anesh by Associate III
  • 573 Views
  • 16 replies
  • 2 kudos