RISC-V High-Performance Era Has Arrived: XuanTie Shines Again

(Source: Semiconductor Industry Observation) After more than a decade of accumulation, RISC-V has transformed from an emerging force to a backbone of the industry. On one hand, more and more major companies that previously focused solely on other architectures have entered this field and delivered impressive results. For instance, Qualcomm has shipped 650 million RISC-V … Read more

Comprehensive Information Summary of 50 Domestic MCU Manufacturers

Comprehensive Information Summary of 50 Domestic MCU Manufacturers

We provide a highly summarized statement and comparison of each company from the following five perspectives: main products, core technologies, key applications, major clients, and competitive advantages. Although data such as the number of employees, the ratio of R&D personnel, the number of patents filed, and financial reports can provide a more intuitive comparison, most … Read more

Member Spotlight: Guoxin Technology and Wentian Quantum Successfully Develop Quantum Secure Chip CCM3310SQ-T

Member Spotlight: Guoxin Technology and Wentian Quantum Successfully Develop Quantum Secure Chip CCM3310SQ-T

Click the blue text ↑ to follow us Recently, Suzhou Guoxin Technology Co., Ltd. (hereinafter referred to as Guoxin Technology) and Anhui Wentian Quantum Technology Co., Ltd. (hereinafter referred to as Wentian Quantum) established a “Quantum Chip Joint Laboratory” to collaborate on the development of the quantum secure chip CCM3310SQ-T, which has completed its research … Read more

Understanding UART Communication Protocol

Understanding UART Communication Protocol

UART, or Universal Asynchronous Receiver/Transmitter, is one of the most commonly used communication protocols between devices. When configured correctly, UART can work with many different types of serial protocols that involve sending and receiving serial data. In serial communication, data is transmitted bit by bit over a single line or wire. In bidirectional communication, we … Read more

Embedded Communication Protocol: How Many CAN Interview Questions Can You Answer?

Embedded Communication Protocol: How Many CAN Interview Questions Can You Answer?

1. What is the basic working principle of the CAN bus? The CAN bus is a multi-master serial communication protocol primarily used in automotive and industrial control. It transmits data through differential signals (CAN_H and CAN_L) and has a high anti-interference capability. The CAN bus employs a non-destructive bit arbitration mechanism to ensure that high-priority … Read more

Embedded Communication Protocol: How Many RTOS Interview Questions Can You Answer?

Embedded Communication Protocol: How Many RTOS Interview Questions Can You Answer?

1. What Is the Task State Machine Model? The task state machine model describes the lifecycle and state transitions of a task. Typical states include: (1) Ready: The task can execute but is waiting for the scheduler to allocate CPU. (2) Running: The task is currently using the CPU to execute. (3) Blocked: The task … Read more

Mastering Embedded Core: MCU I2C Bus Protocol and Sensor Integration Guide

Mastering Embedded Core: MCU I2C Bus Protocol and Sensor Integration Guide

The I2C bus is one of the most commonly used communication protocols in embedded systems, serving as a “dedicated highway” between microcontrollers and various sensors and memory devices. Today, let’s discuss how this protocol works and how to use it to read data from temperature and humidity sensors. I2C Protocol Basics The I2C protocol uses … Read more

Embedded Communication—Detailed Explanation of UART, RS232, and RS485 Protocols

Embedded Communication—Detailed Explanation of UART, RS232, and RS485 Protocols

Click the Blue Word Follow Us UART (Universal Asynchronous Receiver/Transmitter) is a widely used serial communication protocol, typically used for communication between computers and peripherals. It is a general-purpose serial, asynchronous communication bus with two data lines that enable full-duplex transmission and reception. UART is a serial communication protocol that transmits data bytes bit by … Read more

Embedded Communication Protocol: How Many IIC Interview Questions Can You Answer?

Embedded Communication Protocol: How Many IIC Interview Questions Can You Answer?

1. What is the Validity of IIC Protocol Data? (1) Data Transmission Format Start and Stop Conditions: When the SCL line is high, a transition from high to low on the SDA line indicates a start condition; when SCL is high, a transition from low to high on the SDA line indicates a stop condition. … Read more

Comprehensive Analysis of Microcontroller Communication Protocols: UART, I2C, SPI, etc.

Comprehensive Analysis of Microcontroller Communication Protocols: UART, I2C, SPI, etc.

Hello everyone, I am XXX. Today I bring you a detailed analysis of microcontroller communication protocols, including mainstream protocols such as UART, I2C, and SPI. These protocols are the bridge for data exchange between microcontrollers and other devices, and mastering them is crucial for embedded system development. Let’s break them down one by one, and … Read more