STM32 MCUs Products

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STM32U5 DCMI DMA is not working as expected.

Hello,    We have developed an image capturing application successfully based on STM32H7xxxx and OV7725 camera. We are now targeting to port the application to target STM32U5xxxx with the same camera. But it looks the DMA doesn't works as expected. T...

DCMI GPIO.jpg DCMI NVIC.jpg DCMI parameters.jpg GPDMA1 channels.jpg

Resolved! STM32H755 CM7 Reset_Handler Stuck at 'ldr sp, =_estack'

Hello everyone,I am currently working on a project using the STM32H755 microcontroller, and I am facing an issue with the program getting stuck in the `Reset_Handler` during debugging. Specifically, the code halts at the instruction `ldr sp, =_estack...

durna by Senior
  • 1306 Views
  • 11 replies
  • 0 kudos

Resolved! STM32L0 cannot change PWR_CR_ VOS

Hi, I'm stuck on a problem with setting PWR_CR_VOS on NUCLEO-32 STM32L031K6- I want to select HSI16-PLL as clock source- VDD is 3.3V- FLASH latency is set to 1WSBut I can only set PWR_CR_VOS to RANGE 2 and RANGE 3.RANGE 1 cannot be selected, so I can...

RinGO by Associate III
  • 188 Views
  • 9 replies
  • 0 kudos

toolchain installation failures

Hi.  I have a newly purchased NUCLEO-U575ZI-Q.  I followed the instructions here to install the toolchain on Windows 11:https://www.st.com/en/evaluation-tools/nucleo-u575zi-q.html#documentationhttps://wiki.st.com/stm32mcu/wiki/STM32StepByStep:Step1_T...

mdeis_0-1765389725567.png mdeis_1-1765390093122.png mdeis_2-1765390153742.png
mdeis by Associate II
  • 138 Views
  • 7 replies
  • 1 kudos

RTC LSE not working with VBAT on poweroff

I am working on an STM32 device with TrustZone enabled, and I am using the RTC with backup domain powered by VBAT. My RTC is initially configured while VDD is present, and after power-off, the time is supposed to be retained using VBAT.When I use the...

Ananth_ by Associate II
  • 82 Views
  • 2 replies
  • 1 kudos

Resolved! DBP bit couldn't be set to 1

I want to use stm32f103rct6 inner RTC, I write some code as below to active RTC, But I found I couldn't set DBP bit of PWR_CR reg to 1,   __HAL_RCC_PWR_CLK_ENABLE(); __HAL_RCC_BKP_CLK_ENABLE(); LL_PWR_EnableBkUpAccess();when I debug the re...