Introduction Accessing SRAM during Sleep mode for debugging purposes on the STM32L476 MCU requires a specific device configuration, relative to the memory architecture of the STM32L4 and the optimization strategies for low-power consumption. To sum...
From a USB specification, a USB device should use VBUS sensing detection: When a host connection is detected by the device, the device connects the pull-up resistor either to D+ or to the D- data signal. This allows the host to detect device presenc...
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...
This FAQ concerns the DSP Libraries, how to integrate them in an STM32CubeIDE project and to execute an example based on the Digital Signal Processing. Note: If you are using CMSIS V 5.8.0, refer to the article below. How to integrate CMSIS-DSP libra...
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...
Introduction ST provides several X-CUBE source packages for STM32 on st.com with STM32CubeIDE project files. To open the projects in STM32CubeIDE, there are several ways. Note: some X-CUBE packages are also provided in STM32CubeMX as installable "pac...
Summary This article presents a tutorial on how to implement the USB Device CDC in the STM32 using the Azure USBX package. Azure USBX is an RTOS USB embedded stack developed by Microsoft® that offers a wide range of classes to be implemented both fo...
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 SDRAM that is used as fra...
Introduction It can be especially useful during code development to display messages in a terminal window about various system parameters to help with debugging. An easy way to do that is to use the printf function and redirect the output to a UART f...
Summary This article provides a step-by-step guide on how to use a FDCAN peripheral to establish communication between two NUCLEO-G0B1RE boards. Also, outlining the process from configuring the hardware connections to developing and testing the firm...
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...
Summary X-CUBE-EEPROM is an EEPROM emulation software package that works on a variety of STM32 MCUs. Upon downloading the package, there are premade examples that work with STMicroelectronics development kits. However, it is not obvious how you can...
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 includes SPI characteristics and clarification of maximum clock frequency when using PB13 and PB14. They are applicable for STM32H523xx, STM32H533xx, STM32H573, STM32H562xx, and STM32H563xx microcontrollers. The purpose of the a...
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 ...
Introduction This article presents a quick guidance on how to prevent HardFault occurrences when the ICACHE is enabled on the STM32H5 MCU. 1. Summary and description This article explains why a HardFault may occur when accessing the following: Int...
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...
