In computer design, circuits are the core components, and their design and layout directly affect the performance, stability, and efficiency of the computer. This article will analyze the basic circuit units in computer design, hoping to be helpful to everyone. 1. Central Processing Unit (CPU) Circuit The CPU circuit is the core of computer products, … Read more
关注、星标公众号，直达精彩内容 Source | Online Resources What is a Bus? A bus is a common communication line for transmitting information between various functional components of a computer, consisting of a bundle of transmission wires. In fact, a bus is an internal structure that serves as a public channel for information transfer between the CPU, memory, input, … Read more
What is a Bus? A bus is a common communication line for transmitting information between various functional components of a computer, consisting of a bundle of wires. In fact, a bus is an internal structure that serves as a public channel for information transfer between the CPU, memory, input, and output devices. To simplify hardware … Read more
Learning notes for the software examination, all experts are welcome to provide corrections.<span>June 21, 2025</span> 1 Introduction A bus refers to a common data channel for transmitting information between devices in a computer. The classification of buses is as follows: Internal Bus: The bus that connects the arithmetic unit, controller, and various register components within … Read more
In previous articles, we have completed discussions related to module testing. Starting from this section, we will introduce tests related to PACK, beginning with some knowledge about communication to lay the groundwork for subsequent chapters. In communication, we often encounter the term bus, such as address bus, data bus, control bus, etc. The English term … Read more
Three important concepts in the Linux device model are bus, device, and driver. That is, bus, device, driver, and in fact, the kernel defines some data structures such as struct bus_type, struct device, and struct device_driver. These three important data structures come from one place, include/linux/device.h. We know that there are many types of buses, … Read more
CAN Protocol Message 1. Types of Frames Communication is carried out through the following 5 types of frames. ● Data Frame ● Remote Frame ● Error Frame ● Overload Frame ● Frame Separation Additionally, the Data Frame and Remote Frame have both standard and extended formats. The standard format has an 11 bit identifier (Identifier: … Read more
When learning about in-vehicle testing, how can we not understand CAN basics? Today, I have organized a detailed note for everyone, so let’s follow along with Songqin! Understanding CAN 01 What is CAN Bus? CAN stands for Controller Area Network, which is an internationally standardized serial communication protocol by ISO. In simple terms, the CAN … Read more
Before discussing buses, we should first understand what a bus is. According to Baidu, the complete definition is: a bus is a common communication trunk for transmitting information between various functional components of a computer. It is a transmission line bundle composed of wires, categorized according to the type of information transmitted by the computer. … Read more
Source: Official Account — — — Technical Courtyard Introduction: Spreading knowledge and broadening horizons. A technical repository. See the world with a unique perspective, interesting and informative. 【Guide】 Engineers often use a set of lines, configured with appropriate interface circuits, to connect various components and peripheral devices, referred to as a bus, to simplify hardware … Read more