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Clarifying the Differences and Applications of SPI, UART, and I2C Communication!

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Clarifying the Differences and Applications of SPI, UART, and I2C Communication!

Communication between electronic devices is like communication between humans; both parties need to speak the same language. In electronic products, these languages are called communication protocols. Previously, I shared articles on SPI, UART, and I2C communication separately; this article compares them. Serial vs Parallel Electronic devices communicate by sending data bits. A bit is binary … Read more

Understanding I2C Communication Principles: A Comprehensive Guide

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Understanding I2C Communication Principles: A Comprehensive Guide

Hello everyone, many friends have previously said, “I heard that I2C is very important, but I always struggle with the timing part.” Today, we will thoroughly explain I2C from the basics to practical applications, especially focusing on the timing analysis examples, ensuring you can get hands-on after reading! 1. What is I2C? First, understand “what … Read more

Overview of New Book | Practical Embedded Linux Driver Development

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Overview of New Book | Practical Embedded Linux Driver Development

Detailed Explanation of Embedded Linux Driver Development and Device System Construction Practical Development of I2C and SPI Drivers Content of the Book The most common interaction in people’s daily lives is with embedded systems. Currently, widely used devices such as smartphones, MP3 players, smart home appliances, drones, autonomous vehicles, and robots all utilize embedded systems. … Read more

Using ATSAMC21 as an I2C Slave

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Using ATSAMC21 as an I2C Slave

Get the demo source code file at the end of the article ↓Software Platform: MCC v5.5.2, MPLAB X IDE v6.25Hardware:ATSAMC21J18AUsing MPLAB-Harmony Configuration ToolSet the system clock to 48MHzSet the corresponding option bits in the clock tree to make the CPU clock 48MHzOpen the pin configuration interfaceUART Pin and Function Parameter SettingsRefer toSAM C21 Xplained Prodevelopment … Read more

Understanding I2C, SPI, and UART Through GIFs

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Understanding I2C, SPI, and UART Through GIFs

By 2025, communication protocols such as I2C, SPI, and UART will remain a vital part of the tech world. These protocols facilitate communication between various electronic devices and serve as the invisible heart that keeps our interconnected embedded systems and peripherals running optimally. In this article, we will dissect the functions, advantages, and limitations of … Read more

From Unboxing to Practical Use: A 30-Day Experience with the STM32U385RG Development Board

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From Unboxing to Practical Use: A 30-Day Experience with the STM32U385RG Development Board

ST MCU Forum https://bbs.21ic.com/iclist-49-1.html *Reading Instructions: The following is a brief summary display, with no particular order. For detailed evaluation processes, source code, and materials, please click the original link to view. Evaluation One 1. Development Environment Setup and LED Blinking https://bbs.21ic.com/icview-3470430-1-1.html 2. Implementing Onboard Debugging Serial Communication https://bbs.21ic.com/icview-3470452-1-1.html This article implements UART serial communication. … Read more