STM32 MCUs
From FAQs to complete How-to articles, find useful articles on STM32 MCUs programming, troubleshooting, ecosystem, and product details.
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Knowledge base articles

STM32H7 configuration tips and tricks

The STM32H7 products are part of the most powerful STM32 and bring many new features and capabilities. The drawback is the increase of the complexity of the system. Many resources are available on the ST community but also on the net to help you. The...

LoRa communication within STM32

What are the most important information to know about LoRa communication?What are the resources offered by ST and dedicated to the development of LoRa solutions? This FAQ concerns the LoRa communication, this tutorial contains the basic information t...

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What is FSMC and why do I need it?

1. What is FSMC FSMC is a parallel line interface used to connect microcontrollers to external memories (like NAND/NOR Flash etc) and transfer data at high speed, it is used in applications that require to process a large amount of data.  2. Why to u...

LauraCx by ST Employee
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Why my STM32 doesn't start?

Let's look at the following aspects in more detail: 1. HW considerations2. Start-up configuration3. Software4. Summary (TL;DR) 1. HW considerations Datasheet and other documentation Please always refer to: the datasheet for electrical and mechanical ...

What are Bluetooth Low Energy Packet Formats?

Summary This article details the Bluetooth LE packet formats for different applications from IoT to Automotive. 1. Link layer packet format  1.1 Bluetooth LE Protocol stack The Bluetooth LE protocol stack is composed by a Host and a Controller layer ...

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LauraCx by ST Employee
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What is STM32GDB?

What is STM32GDB? How to find support document on GDB This article lists all the resources providing info on GDB debugging  Cube IDE Information Center In CubeIDE click menu: Help > Information CenterThe CUBE IDE Information center gives acces...

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LauraCx by ST Employee
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How to use TouchGFX

Our TouchGFX Documentation website holds a large amount of resources created to help you get a lean development process: 1. Introduction Introduction - read surface-level information on TouchGFX and installation guide.  2. Basic Concepts  Basic Conce...

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Iben.Thy by Associate
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ClassB example hard fault

During debugging ClassB library example is giving me hard-faults. What is the problem?Issue can be caused by corruption of CPU registers that modern compiler produced code uses during run-time. One of the requirements is that each subroutine keeps th...

STM32 QSPI interface addressing in Dual-Flash memory mode

This article covers the following frequently asked question: Why does the STM32 QSPI interface in Dual-Flash memory mode send addresses shifted right by 1 bit? The configured address in the QUADSPI_AR is divided by 2 (shifted right by 1bit) in the Du...

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Concurrent use of USB and CAN with STM32F103

Is it possible to use USB and CAN on STM32F1 devices at the same time? No, unfortunately not. In low, medium-, high- and XL-density devices, the USB and CAN share a dedicated 512-byte SRAM memory for data transmission and reception, and so they canno...

Enable touch screen on the STM32F746G-Discovery

How to enable the touch capability of the STM32F746G-Discovery board screen for GUI application ? By default the touch capability of the display is not enabled and this is not handled by the CubeMX tool. This document will guide you through the few s...

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