STM32 MCUs Products

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Forum Posts

NPU SRAM

Hi,I want to increase the amount of RAM for my application, but I noticed that the NPU seems to be using memory from address 0x34100000 (SRAM2) in the sample application it is based on. Where can I change this? Are there any limitations to the memory...

Artur5 by Associate III
  • 343 Views
  • 1 replies
  • 0 kudos

Resolved! Clock confirmation in NUCLEO-F767ZI

Hello,I was looking into this wiki tutorial on setting up a UDP echo server by @mƎALLEm , and the clock configuration caught my eye and wanted to confirm a few things.On the nucleo board , the 8 MHz crystal (X3) is not soldered and the 8 MHz clock si...

ak52_0-1753853874258.png ak52_1-1753854095962.png
ak52 by Associate III
  • 230 Views
  • 3 replies
  • 2 kudos

COMP connects to TIM

I am using a STM32H723ZGT6. I am trying to Trigger an Input Capture on TIM1 Channel 1 by connecting to the output of the Comparator internally,but cannot get the TIM1 Configuration to fire the Input Capture Callback. I've turned on the input capture ...

smile by Associate II
  • 240 Views
  • 1 replies
  • 1 kudos

Capture mode stm32f4

Hello,I have an STM32F429 project with a 1PPS input (PA0) and a 10Mhz oscillator (PB3) a PWM output (PA1), I can't get a value in my Timer2 it's always at 0, I don't see where my mistake is, can someone help me?Attached file (.zip)Thanks you all.Séba...

PSEBA.1 by Associate II
  • 157 Views
  • 1 replies
  • 0 kudos

Details of Power down sequence of STM32N657X0H3Q

Hi All, In datasheet of STM32N657X0H3Q controller only power-up sequencing details are shown., Is there any power down sequencing is required?If Yes, Please suggest the document which gives complete information of power down sequencing. 

Resolved! Designing a custom board with STM32H725ZGT3

I designed a custom board using the STM32H725ZGT3. The references I followed include the datasheet, application note AN5419, and the STM32H745ZIT6 Nucleo board design, among others. After powering up the board, I was able to connect to it via ST-Link...

Ironman by Associate II
  • 330 Views
  • 4 replies
  • 1 kudos

UART DMA not transmitting data properly

Hi, I am working on a project and having the following problem:My UART DMA is not working. I am transmitting a string, that should be visible in the terminal but it is not. The TX complete callback function is being triggered, so it looks like it wor...

fa31_0-1752840534623.png Screenshot 2025-07-18 140925.png
fa31 by Associate III
  • 724 Views
  • 11 replies
  • 5 kudos

VREFBUF Enable Problem

Hi,I am working on STM32G474CET mcu. I am trying to use VREFBUFF voltage for ADC channel referance voltage. My configuration looks like the following. When i run the code, it stuck in the HAL_SYSCFG_EnableVREFBUF function. Whenever i check the 'ticks...

gunccc_0-1691414511024.png
gunccc by Associate II
  • 3432 Views
  • 5 replies
  • 2 kudos