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...

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Can't start first code with NUCLEO-H755ZI-Q

I bought a new NUCLEO-H755ZI-Q board. It's my first STM32. I use MXCube to create a new project for MDK-ARM. I tried both STM32H755ZI and Nucleo-H755ZU-Q. And I enter my code in Application/User/CM7/Core/main.c . Between line 163 "/* USER CODE BEGIN ...

JZhan.15 by Associate
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Resolved! In input capture function , i am trying to interface HC-sr04 Ultrasonic sensor to STM32F401. I am giving input to TRIG pin with 10 micro seconds ON and Need to Measure Pulse from ECHO pin of the Sensor and not getting Exact Width.

The Pulse width value of the waveform in input capture is not matching with orginal Pulse from sensor output .Please help.#include<NEW.h>#include<stdio.h>#include<stdarg.h>void Ultra_setting();void delay(int val);void Tim3_Capture();void Uart1_config...

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Nchun.1 by Senior
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Resolved! How to enable Capture/Compare 1 output Polarity(11: noninverted/both edges) in TIMx_CCER Register(STM32F401RE) but only 1 Bit is allocated for CC1P?

In detail glance on RM0368 Reference manual. I am getting confused while enablingCC1P -Capture/Compare 1 output Polarity(11: noninverted/both edges) in TIMx_CCER Register(STM32F401RE) .Whether it is possible to change Output Polarity into both Risi...

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Nchun.1 by Senior
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Resolved! STM32H743 5V tolerant pins for an LQFP176 Package

Hello, I have a doubt about the voltage tolerance of STM32H743: looking at Stm32h743bi.pdf, LQFP176 pins are numbered 1,2,...,176, while CubeIDE gives me PA1, PA2, PB1, PB2.... etc.So, how can know if my UART3 pins (PB10 & PB11, Alternate function P...

Resolved! Hello everyone, I have to implement SMBus communication with battery. I read X-CUBE-SMBUS Software is only compatible with NUCLEO-G431RB, NUCLEOH743ZI, NUCLEO-L4R5ZI, 32F072BDISCOVERY, 32L0538DISCOVERY, 32L476GDISCOVERY, and STM32F3DISCOVERY boards.

I have an STM32 F401RE (NUCLEO - 64)board. In the document " Description of STM32F4 HAL and low-layer drivers" there are HAL SMBUS Generic drivers. Is it possible to implement SMbus communication using this board or I will have to purchase on of the ...

Shubham1 by Associate
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Program run problem on STM32F103C8

Hi, I'm trying to run blink on stm32f103c8 (GPIOB.1 is the desired pin) but after programming and resetting the MCU, program only runs for few seconds and then program stops and it doesn't run anymore. I feel microcontroller is damaged after this, b...

array of *char

hi everyone, actually I have two questions. first: how can I create something like this ​char *main_menu[]={{"Work","start", "stop", "pause"}, {"Heater", temp_heater,"empty","empty"}, {"PREheat",temp_preheat,"empty","empty"}, {"Pneumo","forward", "st...

ASzcz by Associate II
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Resolved! STM32H753ZIT6 vs STM32H753ZIT6U

Hi,What is the difference between STM32H753ZIT6 vs STM32H753ZIT6U?I am curious because the U variant is on the eval card, but is not available anywhere. The non-U variant seems to have replaced it from all vendors.

MCapu.3 by Associate
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