STM32 MCUs Products

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Resolved! Hard fault handler

Hello,I am using the STM32U575ZIT6 microcontroller and enabling the TrustZone option. When executing projects, the HardFault handler triggers when switching to the non-secure zone, displaying the message "No source available for <signal handler calle...

regarding issues in STM32L051 with simcom a7670c

#include "main.h" /* Private includes ----------------------------------------------------------*//* USER CODE BEGIN Includes */#include <stdio.h>#include <stdlib.h>#include <string.h> /* USER CODE END Includes */ /* Private typedef -----------------...

sree1996 by Associate
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Resolved! How to sleep when USB_VBUS on stm32f105 is low?

I have a self-powered device.  It appears as a USB CDC device /dev/ttyACM0, when plugged into a Linux host.  The device port is wired to USB_VBUS, so that pin will only be high when connected to a USB host.I would like to detect the presence of the U...

CDew.1 by Associate III
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Shutdown issue with wakeup reason

Hi all,I have the following question related with an issue in LOW power modes in STM32 L4.We have developed a board with a STM32L4+. In this board we set the shutdown mode (by HAL_PWREx_EnterSHUTDOWNMode) and we wake from a wake-up pin (we are using ...

Resolved! G431RB 32 Bit Timer

I am attempting to set up an encoder on STM32G431RB using Tim 2 which is 32bit but it is only counting up to a 16bit value and going negative. I looked at the register through SFR and only the first 16 bits are active, is there another setting I need...

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STM32 ADC3 acquisition twice

I would like to use the ADC3 of the STM32H7 series chip to realize that the voltage is collected once, and then the voltage is collected at a different point (meaning is it necessary to use two channels, because I see several channel choices in there...

hanqingze by Associate III
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SD card memmory support

Hello,Hope everyone are doing well!Can anyone please provide specific numbers?What is the maximum size(GB/MB) of the micro SD card each STM32 device can support?STM32F407VET6 - SDIO interfaceSTM32F745VET6 - SDMMC interfaceSTM32H745ZIT6 - 2 SDMMC inte...