Click the blue text aboveFollow the iPhone Channel ☀ The iPhone Channel is the hottest and most followed Apple-related public account on WeChat! It is a gathering place for Apple enthusiasts! In the Apple fan community, users can help each other and solve daily issues with Apple devices. The editor regularly pushes fresh and fun … Read more
This article is reprinted from the public account: Software-Hardware Integration (ID: cash-arch) Editor’s Note Recently, the National Development and Reform Commission and four other departments jointly released the “Implementation Plan for the National Integrated Big Data Center Collaborative Innovation System Computing Power Hub,” proposing to build national computing power network hub nodes in Beijing-Tianjin-Hebei, Yangtze … Read more
Click on “Guo Xin Nan Fang” below the title for quick attention Source: Semiconductor Industry Observation No matter how elegant and clever the design of the computing engine is, the difficulty and cost of migrating existing (sometimes very old) code from currently running devices to new computing engines is a major barrier to adoption. This … Read more
This article is reprinted from the Jishu Community Jishu Column: Jishu Reading Jishu Reading is a reading column launched by the Jishu Community. The Jishu Reading column regularly recommends books and technical management books in the fields of embedded systems, artificial intelligence, the Internet of Things, cloud computing, security, and semiconductors, and organizes community book … Read more
The development of computing over the past 30 years can be roughly divided into three stages: in 1995, Microsoft Windows opened the PC era dominated by x86 architecture CPUs; in 2007, Apple’s iPhone ushered in the smartphone era led by Arm architecture; and in 2012, the success of the convolutional neural network AlexNet based on … Read more
The central controller is the core component of autonomous driving, serving as the “brain” of the system. It typically needs to connect multiple cameras, millimeter-wave radars, lidar, and IMU devices to perform functions such as image recognition and data processing. The domain controller, as an intelligent hardware, needs to handle the ultra-large computing power requirements … Read more
The previous article introduced the basic concepts of virtualization and hypervisors. To facilitate virtualization, ARM has done a lot of work, primarily defining four Exception Levels (EL). As mentioned in earlier articles about exceptions and privileges, I will elaborate a bit more here. Each exception level is numbered, ranging from EL0 to EL3, with higher … Read more
Author: Huang Yefeng This article is originally from EET Electronic Engineering Magazine Apple’s Mac has started using its own chips, which is undoubtedly a blow to Intel. During last year’s MacBook series product launch, Apple mentioned its own M1 chip, boasting that its CPU performance has increased by 2.8 times and GPU performance by 5 … Read more
MSB: Most Significant Bit; LSB: Least Significant Bit; AHB: Advanced High-performance Bus; VPB: VLSI Peripheral Bus connecting on-chip peripherals; EMC: External Memory Controller; MAM: Memory Accelerator Module; VIC: Vector Interrupt Controller; SPI: Full-Duplex Serial Interface; CAN: Controller Area Network, a serial communication protocol; PWM: Pulse Width Modulator; ETM: Embedded Trace Macrocell; CPSR: Current Program Status … Read more
This article is selected from the Extreme Technology column “Arm Technology Blog” and is authorized to be transferred from the WeChat public account Lao Qin Talks about Chips. Previously, we sharedinterrupts and how they are handled in the ARM architecture and GIC-600 related knowledge; this article will introduce redistributor related knowledge. Keep it simple, keep … Read more