STM32 MCUs Products

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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
  • 265 Views
  • 7 replies
  • 0 kudos

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
  • 704 Views
  • 10 replies
  • 5 kudos

RTC resets or stalls even with backup battery

I have an application running on STM32G491 which uses the RTC. There is an external 32768Hz crystal and a backup coin cell battery (I have checked that it is not depleted: 3.12V). There are two issues:Scenario #1: I pull the main battery, wait a bit,...

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
  • 323 Views
  • 3 replies
  • 0 kudos

WWDG on HSE not stopping when enter STOP mode.

Dear,Recently, when working with STM32U575 and using WWDG, I've encountered an unclear behavior when I set the controller to STOP mode by using HSE or HSI clock source.By using HSI and LSE clock source (See below code), when enter STOP mode, WWDG is ...

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phuocly by Associate II
  • 134 Views
  • 0 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...

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