STM32 MCUs Products

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Connection i2c between Stm32LO72CZY6TR (B-LO72Z-LRWAN1)

Hi guys,I'm trying to connect a bosch sensor BNO055 (adafruit) by I2C to my Stm32L072CZ6YTR. I'm new with the environnement of STM32 so i try to program the ship with basic tutorial about STM32 I2C connection. I have write the functions who permit to...

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mibou23 by Associate II
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  • 9 replies
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Correct way to clear TIM_SR_UIF after setting TIM_EGR_UG?

Hello,to update e,g. PSC before starting a timer, an update event has to be generated. This update event will set UIF and to avoid an interrupt from the update event, the UIF flag needs to be cleared. A sequence       TIM1->EGR = TIM_EGR_UG;       TI...

Resolved! stm32l4r5 with NUCLEO-L4R5ZI

Dear all,I am facing to a strange GPIO problem. First af all, I tried to set-up the LPUART1 but impossible to send anything (no activity on PG7 , the Tx of the LPUART1). So, I initialized the PG7 to be a general output and tried to blink it ... no re...

STM32F407VET6 remap CAN1

Hi,I use CubeMX for STM32F407VET6.I want to remap CAN1 pins for PB8, PB9, but that configuration initialzing with error.Though CAN1 remap for PD0, PD1 is fine.What does that mean?Thank you very much in advance for your return guys!

ADry by Associate II
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  • 2 replies
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H750 vs H743 for QuadSPI Boot

Hello guys!I'm working on a custom board with STM32H750VB and a Winbond QuadSPI flash. The ideia is boot the code from QSPI as H750 program memory is a little low. I'm also working with STM32H743VI on a twin custom board, so I can create and debug th...

Peaga by Senior
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  • 12 replies
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About usart in stm32?

I coded for usart communication in stm32f103r8.In this i'm getting the garbage value as output.given below is my program,kindly help me to correct my program.****#include "stm32f10x.h"#include "stm32f10x_usart.h"void usartSetup (void);int SendChar ()...

Sm.16 by Associate II
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  • 16 replies
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POR via STLink

Hi,How can I power cycle the Nucleo-144 between debug sessions with out unplugging and reinserting the USB cable. Is there a way to toggle PWR_ENn on the STLINK using openOCD and if so could someone please post the script that does this?thank you

JButl by Associate
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Resolved! I2c device never sets SB bit after start is transmitted.

My MPU is STM32L152RET6I am using i2c channel 1 to communicate with an i2c device.  I used the standard device set and verified the hardware appears to be set up correctly. When I set the "Start" bi in control register 1 (CR1), a start condition is g...

TSchm by Associate
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  • 1 replies
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