STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


stm32f4 hardfault

hiI use stm32f4 micro but an external interrupt pinwhen i increase frequency of the external signal connected to interrupt pin, the micro jump to hardfaultwhy? how I can detect the solution? 

jhasa2_0-1697953350580.png jhasa2_1-1697953356273.png jhasa2_2-1697953358673.png
jhasa.2 by Associate III
  • 35 replies
  • 3 kudos

Stuck while reading/wirting from/to SD card

Hi, I have STM32F407 and trying to read/wirte from/to SD card and often the code get stuck in the this loop: static uint32_t SD_FindSCR(SD_HandleTypeDef *hsd, uint32_t *pSCR) { //... while(!__HAL_SD_GET_FLAG(hsd, SDIO_FLAG_RXOVERR | SDIO_FLAG_DC...

JBond.1 by Senior
  • 1 replies
  • 0 kudos

STM32L412 UART Interrupt not working

Hi, I am new to STM32. I am facing problem with UART interfacing. I have connected UART to GSM modem and I am using AT Commands to interface with modem. To test the commands and its response, I have connected the serial sniffer (UART to USB converter...

STM32H745 - How to stop or reset CM4 from CM7 core

I have built a bootloader at the begin of CM7 flash memory. I want to update both CM7 and CM4 flash memory. How is it possible to stop CM4 execution before updating the flash memory and reset the CM4 core after update? All must be controlled only fr...

Resolved! STM32f103 Eprom emulation

Hi amazing community.I am working with the following mcu STm32F103Since in the design of our board we didn't insert any real eeprom for saving some data we decided to use a emulation tecnique   provided from ST Here below it is reported the header fi...

SGasp.1 by Senior
  • 9 replies
  • 4 kudos

STM32H747L-Disco with COM35H3P70ULC Display

Hi, i try to get the COM35H3P70ULC Display to work with the STM32H747L-Disco Board using a custom Adapter PCB. The Display is connected using 2 Lane DSI and i tried to configure the DSI Host to communicate with it. I cant get it work or respond to an...

LRees by Associate
  • 0 replies
  • 0 kudos

Dividing Timer

I need advice on setting up a 'primary timer/clock' to toggle a an output pin for 20ms, at a user set frequency of anywhere from 16Millihertz to 16.65Hz ( approx ) with 16 bit resolution. ( user sets value from 0 to 10000 )The primary timer/clock mus...

LMorr.3 by Senior II
  • 4 replies
  • 0 kudos

STM32H745 - Encoder Mode Not Counting

I am trying to interface the STM32H747 with a quadrature encoder-equipped motor to track linear movement. When moving forward, I expect the counter to increment. When moving backwards, I expect the counter to decrement. To do this, I have configured ...

LZ_FS by Associate
  • 0 replies
  • 0 kudos