STM32 MCUs Products

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STM32H743 ADC sampling problem

Hi all. I have encountered one ADC sampling problem in STM32H743. When the signal's amplitude is large, the ADC works fine. However, when the signal's amplitude is low, there are many jitters that I don't want. What happens here? How to fix it? Many ...

Screenshot 2025-04-28 151017.png untitled.png
lea3 by Associate
  • 549 Views
  • 4 replies
  • 0 kudos

Resolved! Cannot restart Output Compare

I am using output compare with TIM3 on a STM32H755 I am able to use Output Compare to generate a single pulse on pin PC7 using TIM3, Channel 2.I am using Active Level on Match.I call HAL_TIM_OC_Start(&htim3, TIM_CHANNEL_2) onceAfter 0.5s, it detects ...

NickO by Associate II
  • 435 Views
  • 4 replies
  • 2 kudos

Resolved! STM32L431KC hangs on reset

I am working on a custom board and I have noticed that whenever the device resets, it becomes unresponsive.The reset causes that hang the microcontroller:Calling NVIC_SystemReset from firmwareHaving firmware stuck and receiving a signal from IWDGManu...

MO94 by Associate III
  • 268 Views
  • 4 replies
  • 1 kudos

Resolved! Temporarily Isolate SPI Master

Hi All,I have a system with 2 SPI masters and a single slave very similar to this post from 2014:https://community.st.com/t5/stm32-mcus-products/spi-multi-master-mode-with-stm32f050/td-p/502107What I would like to do is to temporarily isolate the STM...

hans86_0-1745593343392.png
hans86 by Associate III
  • 1509 Views
  • 3 replies
  • 2 kudos

Resolved! OSPI as QSPI on L5 with W25Q256

I have a custom designed PCB board where I have used STM32L56 and W25Q256 along with other components. First, I was using SPI for interfacing but it was taking so much time when writing/reading MBs file. So I have to opt for QSPI now. L5 doesn't have...

NajeebUllahKhan_0-1745293350492.png NajeebUllahKhan_1-1745293359047.png

Resolved! STM32H723 GPIO Lock set after reset

I have a Nucleo-H723ZG board.  The GPIO lock bits are set at reset so I cannot set up the ports.  See Attached screenshot.  I can run code just fine and the original demo code did toggle the LEDs. Am I missing something here? 

Niramas by Associate III
  • 702 Views
  • 12 replies
  • 3 kudos