Introduction The STM32’s integrated RTC (Real-Time Clock) peripheral can be used to wake it up from one of the various low-power modes. It is common for battery powered applications to have a power scheme where the application will run for a short pe...
Summary This article shows how to implement inter-processor communication between CM7 and CM4 cores on the STM32H7 series using the hardware semaphore (HSEM). If you're looking for inter-processor communication using two SPIs or OpenAMP, we have art...
Summary This article shows how to implement inter-processor communication between CM7 and CM4 cores on the STM32H7 series, which also targets the basics on how to set up the debugger, relies on two SPIs to externally transfer data as if they were co...
Introduction Dead battery configuration control (DBCCx) pins play a crucial role in USB Type-C® applications to manage scenarios where the device's main power source is unavailable (dead battery). These pins, used with configuration channel (CC) pin...
Summary The article offers an in-depth demonstration of incorporating the X-CUBE-MEMS1 software package into an STM32CubeIDE project, tailored specifically for the B-U585I-IOT02A board with its onboard ISM330DHCX accelerometer. Introduction T...
Summary This article shows how to integrate a library, in the form of an achieve file (*.a) in your project, so you can use the functions of the library with a simple header file. Introduction A library can be defined as a set of nonvolatile resour...
Summary This article presents a step-by-step tutorial on how to develop a USB device with dual CDC ACM in the STM32F7 microcontroller using the classic USB library. The tutorial is based on NUCLEO-F767 and can be easily tailored to any other STM32. ...
Introduction This article guides you on how to perform CoreMark® benchmarks on an STM32H5 microcontroller. For this article, we use a NUCLEO-H563ZI board, which has an STM32H563ZIT6 MCU that integrates an Arm® Cortex® M33 CPU. This code can be easily...
Summary In this article, we learn how to configure the FMC peripheral of the STM32 to interface with the NOR flash PC28F128M29EWLA from Micron® Introduction In embedded systems, NOR flash stands out for its speed and reliability. Unlike other flash m...
Introduction This article guides you on how to perform Dhrystone tests on an STM32L5 microcontroller. For this article, we use a NUCLEO-L552ZE-Q board, which has an STM32L552ZET6QU MCU that integrates an Arm® Cortex® M33 CPU. This code can be easily ...
In this two-part article we will cover several main areas of focus when conducting a self-review of a custom STM32 schematic and share some hardware debugging tips.If you haven’t yet reviewed the first part of this article, we highly encourage you to...
1. What is line coding? Line coding is used to transfer parameters of UART interface, which is emulated using USB CDC - Virtual COM port. In STM32 legacy USB library is line coding handled in file usbd_cdc_if.c, function CDC_Control_xS(FS for Full Sp...
The problem is related to two things: memory layout on STM32H7 and internal data cache (D-Cache) of the Cortex-M7 core. In summary these can be the possible issues: Memory placed in DTCM RAM for D1/D2 peripherals. Unfortunately, this memory is used ...
Introduction This article describes how to debug in external memory on STM32CubeIDE based on the example provided in the following GitHub repository: STM32CubeH7/Projects/STM32H7B3I-EVAL/Applications/ExtMem_CodeExecution.Regarding hardware, we use th...
Ethernet reference clock affecting ADC values in STM32 microcontrollers In various STM32 microcontroller applications, the Ethernet reference clock (ETH_REF_CLK) has been observed to introduce noise into ADC (analog-to-digital converter) measurements...
Summary In this article, we guide the users of the Azure NetX Duo middleware to handle multiple TCP clients on the STM32H563 microcontroller as an example. This guide is divided into two parts: Prerequisites This project utilizes the following so...
1. Introduction Optimizing power consumption is one of the biggest challenges when designing an MCU based application.In this article we selected the STM32F401 MCU that can be configured in four different modes: Run mode, Sleep mode, Stop mode and St...
Introduction For those developing applications that use low-power modes, trying to achieve the current consumption numbers listed in the datasheet and performing general debugging can be troublesome. The purpose of this article is to give an overall...
Maximum FIFO size with the OCTOSPI interface The FIFO is sized into the targeted product, typically either 32 or 64 bytes depending on the product. Refer to the reference manual to check the maximum size in the "FIFO and data management" section. Co...
The STM32H7 MCU family clock reaches up to 600MHz and thermal management matters due to power dissipation, see details in the AN5036 Guidelines for thermal management on STM32 applications. https://www.st.com/resource/en/application_note/an5036-guid...
