STM32 MCUs Products

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STM32L052K8U + DS3232M I2C not respond

Hi, everybody. I have a problem, can not connect via I2C with RTC. Use a microcontroller and RTC STM32L052K8U DS3232M. Used library HAL. From the watch constantly comes NACK. The wizard sends the correct address (I'm sure of that, but just in case I ...

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STM32F4 USART DMA RECEIVE

Hello everyone.I'm just starting stm32f4. I'm try to use USART DMA, with Transmit it's ok. But with Receive, when I send characters from Terminal to Board first, for example 'aaa', it's ok. But the second characters I send, for example 'bbb', so the ...

How to stop flicker on STM32F769 disco board

Hello!I'm looking for info about how to write a flicker free program on STM32769 disco board.There are a few samples in the latest firmware (stored in repository / STM32Cube FV 1.21...).I tried all the samples for DSI, in cmd mode or video mode, all ...

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PG.13 by Associate II
  • 811 Views
  • 3 replies
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hard fault after configure systick

i use NUCLEO - F767ZI and test a simple code as followint sum(int a,int b){   return a+b; }   int main(void){   int dly;   __enable_irq(); SysTick_Config(100000); NVIC_EnableIRQ(SysTick_IRQn); dly = sum(1,3); return 0...

cai.bai by Associate II
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  • 14 replies
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ı try to internal flash codding with STM32L476 ı van erase the banks and pages but HAL_FLASH_Program İS NOT WORKİNG ı get the SR errors(SIZERR,PGSERR) so how can ı fix it

my code is,  /* Includes ------------------------------------------------------------------*/#include "main.h"#include "stm32l4xx_hal.h"#define FLASH_BSY   (1 << 16)/* Fast programming not used => related errors not used*/#define FLASH_PGSERR  (1 << ...

yekme by Associate
  • 605 Views
  • 2 replies
  • 0 kudos

STM32L152 WakeUp time

Hi,I would like to know if the wakeup time from STOP mode is defined, when LOWPOWERREGULATOR is ON and the main clock is used a MSI (4194 MHz). Can not find this information. Also I would like to compare it with others Low Power modes...Thank you fo...

JAN R by Associate III
  • 355 Views
  • 1 replies
  • 1 kudos