STM32 MCUs Products

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12 Bits ADC precision issue

Hello,We are working on a stm32f429.The application uses ADC1 to sample data on Channel 0-7.ADC1 and channels characteristics are:- Mode: Independant- Sampling clock: Around 2.8 Mhz- No DMA access- Sampling delay: 20 clocks periods (max value)- Resol...

Karem by Associate II
  • 450 Views
  • 11 replies
  • 2 kudos

VDDxSPI Pin connection when not used

Hello all,we are using the STM32H7S3Z8T6 in a project. It has four VDDxSPI pins for an external power supply if XSPI is used. I also found some information in app note AN5935.However, we are not using external memory and therefore we don't need an ad...

STesil by Associate
  • 110 Views
  • 1 replies
  • 0 kudos

Resolved! SPI GPIOs don't work (except SCK) using DMA

Hi, I am using an STM32H7RSxx device and I need to use the SPI6 (both full and half duplex) with the DMA.The problem I am facing on is the MOSI pin doesn't transmit anything.Only the SCK is working.Despite having configured it for SPI6 Alternate Func...

simozz_0-1751471885253.png simozz_1-1751471952301.png
simo zz by Senior II
  • 414 Views
  • 12 replies
  • 3 kudos

Resolved! STM32G0B1V issue with ADC measurements

I am having issues with the STM32G0 ADC measurements. I am trying to measure 2 voltages:1. 3.3V2. 12VAfter the voltage divider, the 3.3_adc and 12v adc pins are connected to the MCU pins directly:3.3_adc - PA3 (ADC1_IN3)12v adc - PA7 (ADC1_IN7)My STM...

LPetr1_0-1751962592906.png LPetr1_1-1751962700508.png LPetr1_2-1751962920393.png LPetr1_3-1751962943488.png
LPetr.1 by Senior II
  • 178 Views
  • 4 replies
  • 3 kudos

Resolved! UART message not Receiving in ESP32 from STM32

hi all,I'm Trying to send a string from STM32F401RE MCU to EPS32 Via UART i have programmed both STM as well as ESP32 and i successfully verified that data is available on UART pin of STM  Data on UART Pins of STMBut I'm not able to receive data on E...

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Implementing the HSE on the STM32G030K6Tx

Hi all,I am designing a PCB using the STM32G030K6Tx and for my application I only require the HSE external crystal, which I believe I connect to GPIO pins PC14 and PC15. When I go the the .ioc file in the STM32CubeIDE (System Core -> RCC) I see there...

MattH2 by Associate III
  • 238 Views
  • 8 replies
  • 2 kudos