Introduction The WB55CG USB dongle is included in the P-NUCLEO-WB55 bundle together with the NUCLEO-WB55RG. The WB55CG dongle does not have an ST-LINK/V2-1, but the NUCLEO-WB55RG does. The WB55CG USB dongle can be programmed through USB BootLoad or...
Introduction The NUCLEO-WB55RG has an on-board ST-LINK/V2-1 debugger/programmer. This ST-LINK/V2-1 is integrated on the same SoC as the MCU. This means that we cannot separate the hardware design into two parts; ST-LINK, and target MCU. For this rea...
Summary The main objective of this article is to present the STM32H7 spread-spectrum clock generation (SSCG) feature. STM32H7 differs from other series by using PLL fractional with Timer/DMA. For an overall introduction to spread-spectrum clock gen...
How to use STM32CubeIDE to migrate a project from MCU1 to MCU2?In this FAQ, the question how to use STM32CubeIDE to migrate from MCU1 to MCU2 will be answered. Note: Currently STM32CubeIDE doesn't support the feature to import a project fro...
Summary This article provides a step-by-step guide on how to calibrate the precision of a real-time clock (RTC). The examples in this guide are provided using the NUCLEO-U575ZI-Q board, but can be tailored to any other STM32. Introduction The real-t...
How is CRC value calculated, how to determine CRC algorithm in embedded applications?1. Cyclic Redundancy Check Cyclic Redundancy Check (CRC) is an error detection method for digital data based on binary division.CRC algorithm generates a fixed chec...
Summary The following article is a tutorial on how to implement the USB device, HID mouse class, using the Azure RTOS USBX package in standalone mode (without the RTOS). 1. Introduction Hello developer and welcome to this article! For this tutorial,...
Defining VCAP VCAP is the digital core supply provided by the internal LDO regulator. VCAP pins are present only on LDO packages (without SMPS). STM32U5 external capacitor on VCAP pin recommendations For the STM32U5 series, the external capacitor on ...
How to configure swap bank on STM32H7? (Part 1) Objective An important requirement for flash-memory based systems is the ability to update firmware when installed in the end-product. This facility is referred to as in-application programming (IA...
Summary This article provides a step-by-step guide on how to configure your STM32H7R/S to transfer ADC converted values in DMA circular mode using STM32CubeMX (version 6.12 is used). For a complete firmware example, refer to the attached project a...
Introduction The STM32H7R/S devices come with 64k bytes of boot flash allowing applications to run from external memory. The STM32CubeH7RS firmware package comes with a rich set of examples running on STM32H7S or STM32H7R boards. Each example requir...
Introduction The STM32H7 devices feature a RAM ECC monitoring unit called RAMECC. A dedicated RAM ECC monitoring area is defined for each domain. For example, on the STM32H723x/33x series, there are three RAMECC monitoring units (one per domain). The...
Introduction The Elliptic Curve Digital Signature Algorithm (ECDSA) is a cryptographic method used to ensure the authenticity and integrity of digital messages or documents. Various applications, including secure communications, blockchain technolog...
Summary This article presents a step-by-step tutorial on who to use the USBX package to develop a USB device composite application on an STM32. The tutorial is based on NUCLEO-H723ZG and can be easily tailored to any other STM32 that is compatible w...
Summary This article shows how to integrate Mbed TLS with hardware acceleration offloading benefiting from embedded hardware crypto engines (AES, PKA, HASH). Introduction The STM32H5 series is a powerful microcontroller family that benefits from ha...
Summary The primary objective of this article is to provide a comprehensive step-by-step guide on creating an external flash loader to interface with external memories. This demonstration uses the STM32H7S3L8H6 microcontroller and XSPI to interface ...
Introduction The real-time clock (RTC) can be used as a source to periodically wake-up the microcontroller, perform necessary tasks, and then return to low-power mode. Furthermore, the RTC can be used to calculate the elapsed time while the microco...
How to wake up the STM32U5 from STOP2 using LPUART?This article will show you how wake up the STM32U5 MCU from Stop 2 Low Power mode using the LPUART1 supplied by LSE or HSI Clock Source. By the end of this article, you will know the needed steps to ...
Introduction When working with the STM32U5 microcontroller, you may encounter issues where the low-power timer (LPTIM) fails to wake the device from stop 2 mode. This article provides insights on what might cause the issues. 1. Using LPTIM2 instanc...
While the STLINK-V3 is compliant with USB 2.0 and exhibits reliable USB performance across various platforms since several years, the USB communication may fail between an STLINK-V3 and some recent computers. 1. Root cause The root cause comes from...