STM32 MCUs Products

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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...

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jaehoon by Associate II
  • 130 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
  • 197 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
  • 610 Views
  • 16 replies
  • 2 kudos

Initializing the HDP on STM32N6

I wanted to use the HDP (Hardware Debug Port) peripheral on the STM32N6 MCU (Nucleo N6 board), but CubeMX does not generate the MX_HDP_Init() function for it and does not initialize the peripheral either.Based on the reference manual, I tried configu...

hdp1-issue.png
pdemeter by Associate
  • 177 Views
  • 1 replies
  • 0 kudos

error on address

I'm trying to use the LCD screen in STM32N6570DK, but it has an error like this`Break at address "0x18003a1a" with no debug information available, or outside of program code.`. But when I tried to view the vector table generated by disassembly, It wi...

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creeper by Associate II
  • 155 Views
  • 2 replies
  • 0 kudos

STM32H563 DMA Issue

Hi, I'm trying to implement read ADC1 value triggered with TIM6 then write it via DMA(GPDMA1 CH0). I created CubeMx project and generate code accordingly (Using LL driver). But I can't enabled DMA channel. Is there any code example about it?