STM32 MCUs Products

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QSPI reads only 0x9999

I have a custom board with STM32H747IGT6 MCU, which communicates with a S25HL512TFAMHI010 flash memory chip over QSPI. I have made several iterations of this board, and the QSPI communication has always been fine.However, on the most recent iteration...

Resolved! QSPI RAM on OSPI Interface of H7A3 MCU issues

Hi Guys,I need some help / input:I am trying to get the communication running between my Nucleo H7A3 and a Shield with a ISSI QuadSPI RAM in a SOP-8 Package running.Scenario:I am debugging with my Scope, I have a digital Probe on all 6 lines (CSn, Cl...

CBerg by Senior II
  • 550 Views
  • 7 replies
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Problem setting up UART on STM32F756VGH6

Hi,I am learning and exploring the STM32F756VGH6. My goal is to setup a simple UART and send some data to the PC using USB-UART serial converter and  puTTy terminal on PC. I am using register based coding approach as it makes the code more efficient....

Vilius by Associate III
  • 1036 Views
  • 10 replies
  • 5 kudos

Resolved! USB XACT_ERROR response on BulkIn request

Hi all,we are developing a board based on STM32F429 chip.In particular I'm developing a composite USB device on USB OTG port, showing a custom device + a CDC device [ep 0x85, 0x06, 0x83] using USB_Device_Library code.Windows correctly shows 3 items: ...

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SteMMo by Associate III
  • 591 Views
  • 3 replies
  • 0 kudos

STM32F401 ADC VrefInt and Vbat read issue

During simple task I need to measure Vrefint and Vbat, so, I open CubeMX and configure ADC to read Vrefint and VbatThan I setup a DMA to read values...I write a really simple program:/* USER CODE BEGIN PD */ #define ADC_BUF_SIZE 20 /* USER CODE END P...

LoMoMoMo_0-1737192445199.png LoMoMoMo_1-1737192522442.png LoMoMoMo_2-1737192841020.png LoMoMoMo_3-1737192955429.png

PVD on STM32L4 with external input

HiOn STM32L4xx Ref Man Programmable voltage detector (PVD) supports external input PVD_IN.How to configure the GPIO for PVD_IN (ex STM32L4 PB7)?How to configure VREFINT?Is there any example?

CanRF by Associate III
  • 320 Views
  • 4 replies
  • 0 kudos