STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32U535 Backup registers access wait states

Hi all, I am running into an issue related to writing backup registers on the STM32U535xx MCU. When I compile my code with -Oz, the write fails, whereas with -Os, it succeeds. The relevant C code is pretty straightforward:LL_PWR_EnableBkUpAccess();LL...

notepad_0swXgaLMqa.png
GeertL by Associate II
  • 1727 Views
  • 4 replies
  • 1 kudos

Program stm32F745 via RS-485 and bootloader

Hello everyoneIs it possible to program my STM32F745 via RS-485 using the integrated bootloader?My idea is using USART1 (as written in the AN2606) and a transceiver to do that. Has anyone done something similar? Thank you very much in advanced. Best ...

ADC Rank starts at 2 on 1st conversion

Tools:STM32CubeIDE: Version: 1.14.1 Build: 20064_20240111_1413 (UTC)TM32CubeMX: Version: 6.10.0-RC9 Build: 20231120-2037 (UTC) OS:Linux Lmint21 Hardware:STM32H743 I set up ADC3 in CubeMx to enable scan on Internal Temperature and VBat and set the DMA...

Resolved! STM32F401 - using OSC_IN/OSC_OUT as GPIO

Hello,I am having trouble in getting PC14 and PC15 working as GPIOs on the STM32F401. The reference manual says that "The LSE oscillator pins OSC32_IN and OSC32_OUT can be used as general-purpose PC14 and PC15 I/Os, respectively, when the LSE oscilla...

kla by Associate
  • 1343 Views
  • 2 replies
  • 2 kudos

USB_HID_Barcode Scanner

hi, Can anyone please help me in USB-HID-Barcode Scanner connection with stm32f722ze.   Normally Barcode Scanner will behave like keyboard and how to decode the ASCII code using usbh_hid_key.c .  Request : if anyone can suggest me small  example of u...

MMARI.1 by Senior
  • 530 Views
  • 1 replies
  • 1 kudos

Issue with DMA working with Ethernet

Hi! I'm using a custom board with STM32H563 and recently, I've set up the Ethernet connection, but I'm encountering issues with GPDMA interrupts for controlling a PWM signal for one wire communication to control addressable LEDs. In my project, I'm u...

JonConesa by Associate III
  • 1610 Views
  • 3 replies
  • 0 kudos

STM32F103: SD CARD, SDIO

Hello, I am using the STM3210E-EVLA board. I want to create files on an SD card. While consulting the documentation for the STM3210E, I noticed that the size of the SD card is 128 Mbytes, whereas I am using an 8-GbytesSD card. I have written a simple...

rania_0-1712748897435.png
rania by Associate
  • 4558 Views
  • 3 replies
  • 2 kudos