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

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 o...

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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...

FAQ:STM32-MPUs-STM32CubeIDE

Is STM32MP1x supported by STM32CubeIDE? Yes STM32CubeIDE supports stm32mp1 from the release V1.1.0. It supports build and debug of the CM4 coprocessor firmware (engineering mode and production mode).ST has a roadmap to enhance the feature with suppor...

STM32 QSPI interface address in Dual-Flash memory mode

Why does STM32 QSPI interface send addresses shifted right by 1bit in Dual-Flash memory mode?  The configured address in the QUADSPI_AR is divided by 2 (shifted right by 1bit) in DUAL bank mechanism, because each connected memory represents the half ...

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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...

License key for DfuSe USB device firmware upgrade

I use DfuSe utility (STSW-STM32080) for firmware update through USB. In the User Manual UM0392 included in DfuSe SW package (see DfuSe utility installation folder, DfuSe v3.0.5\Bin\Doc), paragraph 2.4.1 states the following: "To prevent software pira...

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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