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How I Analyse I2C Communication Using Saleae Logic Analyzer
In this article, I will show how I analyse I2C communication using a Saleae logic analyzer. This tutorial explains the basic setup, how to capture signals, how to enable the I2C protocol analyzer, and how to understand the decoded data. The same method can be used when debugging communication between a microcontroller and peripheral devices such as sensors, EEPROM, or display controllers. I2C is one of the most used serial communication protocols in embedded systems. It use
Uchi Embedded Solutions
7 hours ago4 min read
Secure Provisioning of STM32H503 Devices: A Comprehensive Guide
Understanding STM32H503 and Its Security Features The STM32H503 family from STMicroelectronics is built on the ARM Cortex-M33 core. It includes an advanced security lifecycle as part of the STM32H5 architecture. Unlike older STM32 series, STM32H5 devices support controlled product states. This allows a device to be provisioned, secured, locked, and later reopened through an authenticated regression process. This mechanism is essential for secure production environments where
Uchi Embedded Solutions
Mar 275 min read
Overview of LIN
The Local Interconnect Network (LIN) uses a master-slave architecture consisting of one LIN master and one or more LIN slave nodes. Communication begins with a message header, which includes a break field to indicate the start of the frame and a sync field that allows slave nodes to synchronize their clocks. The identifier (ID) field contains a 6-bit message ID along with a 2-bit parity field. This identifier defines the type of message rather than the destination node. Once
Uchi Embedded Solutions
Mar 275 min read
Introduction to ARM Architecture and the Working Principle of Its Modules
ARM stands for Advanced RISC Machine and is one of the most widely used and licensed processor architectures in the world. The first ARM processor concept was developed in 1978 at Cambridge University, and the first practical ARM RISC processor was produced by Acorn Computers in 1985. ARM processors are widely used in portable and embedded devices such as digital cameras, mobile phones, home networking systems, wireless communication devices, and many other embedded applicat
Uchi Embedded Solutions
Mar 275 min read
Debugging NXP ARM Microcontrollers Using PEMicro with S32 Design Studio
Embedded firmware development requires efficient debugging tools to identify issues quickly and ensure reliable system behaviour. For developers working with NXP ARM microcontrollers , integrating PEMicro debug tools with S32 Design Studio provides a powerful and flexible debugging environment. In this blog, we explore how PEMicro debugging tools work with S32 Design Studio and how developers can configure and start a debugging session effectively. Overview of S32 Design St
Uchi Embedded Solutions
Mar 213 min read
What is CAN FD? A Detailed Guide to CAN FD (Flexible Data-Rate) for Modern Automotive and Industrial Systems
As modern vehicles and industrial automation systems become increasingly software-driven, the amount of data exchanged between electronic control units (ECUs) continues to grow rapidly. Features such as Advanced Driver Assistance Systems (ADAS), electric powertrains, battery management systems, central gateways, over-the-air (OTA) firmware updates, and high-speed diagnostics require significantly higher bandwidth than traditional in-vehicle networks were originally designed t
Uchi Embedded Solutions
Mar 54 min read
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