Introduction Some of the STM32 microcontrollers have backup registers. These registers can be written/read and protected and have the option of being preserved in VBAT mode when the VDD domain is powered off. In this article we will learn how write, ...
Introduction This article includes preliminary updates of STM32 MCU reference manuals reported since 1st January 2024. It highlights the current description requiring update and the expected one if available. The purpose of this article is to deliv...
Introduction This article includes preliminary updates of STM32 MCU datasheets reported since 1st January 2024. It highlights the current description requiring update and the expected one if available. The purpose of this article is to deliver any...
Introduction This article includes preliminary updates of STM32 MCU errata sheets reported since 1st January 2024. It highlights the current description requiring update and the expected one if available. The purpose of this article is to deliver an...
Introduction It is very common that applications require a periodic interrupt that is used as a time-base for triggering tasks, adding delays, keeping track of elapsed time, etc. While this article shows how to configure an STM32 timer to generate an...
Summary Protecting the firmware is a paramount concern in the design and deployment of embedded systems. STM32 microcontrollers, which are integral to countless applications, employ various mechanisms to safeguard against unauthorized access and ta...
Introduction This FAQ concerns enabling USB DMA in STM32H7 devices. Many customers that are working with USB in STM32H7 devices face a problem when activating DMA. What they notice is that everything is working good and USB behaves normally before ac...
Summary This article is a tutorial on how to set up and run the I3C_Controller_Private_Command_IT and I3C_Target_Private_Command_IT example projects. This tutorial uses the NUCLEO-H563ZI board and can be followed with any other ST development board ...
A step-by-step guide to connect and publish real B-U585I-IOT02A Discovery Kit sensor data to a free Azure IoT Central Application.STM32U5 Azure Quick Connect - Getting Started Guide STM32U5 Azure Quick Connect is the fastest way to get your B-U585I-I...
Introduction A library is a collection of reusable, compiled, and tested code that can facilitate the coding of application functionalities. It is designed to support both the code developer and code compiler during the build process and the running...
Introduction Some external USB HS PHYs compatible through the ULPI interface are detailed in Table 12, compatible USB HS PHY in AN4879. However, not all transceivers could be listed in the application note. Compatibility checking is necessary before...
In our example here, we will use the Nucleo-H742ZI as our STM32 board to show you how to use the STM32CubeProgrammer to access the target’s USB-DFU bootloader.Every STM32 MCU comes pre-programmed from our factory with a system memory bootloader store...
In this example, we will use the Nucleo-H743ZI as our STM32 reference board to show you how to leverage the STM32CubeProgrammer GUI to access the target’s USART bootloader.Every STM32 MCU comes pre-programmed with a system memory bootloader stored in...
Introduction In the field of embedded systems, it is very common to migrate an existing design from one STM32 microcontroller to another in response to changing application requirements. These changes can be dependent on, for example, flash memory, S...
Software updates can be tricky. They often bring new features and fixes, but they can also introduce complications, particularly with migrating projects. Some users like automatic updates, but other users want to remain on a specific version that the...
SMPS (Switched-Mode Power Supply) Theory In packages with an integrated SMPS, the STM32 embeds two regulators that can be selected when the application runs, depending on the application requirements: one LDO (Linear Voltage Regulator) and one SMPS s...
Introduction It is very common for HMI-of-Things applications to have the capability to control and display data between a user and the machine. Such applications require the ability to interface with external memory such as non-volatile memories tha...
This is part 2 of an article, if you would like to read part 1 click here. Coding your application using STM32CubeIDE: 3.1 Generate your source files and edit Note: the full completed project with the source code is attached in the link section [3]....
Introduction The main objective of this article is to provide a step-by-step guide on how to improve DCMI frame rate. This demo uses a STM32U575I-EV that is mounted to a ov5640 camera module, but it can be easily tailored for other microcontrollers...
Within the Cube firmware packages, there are examples of in-application USB DFU that were originally created for use with the DFuse software utility. DFuse is now not recommended for new designs, so the purpose of this article is to show how these ex...
