Zynq-7000 Series CPU Timer and Watchdog Timer Overview

Zynq-7000 Series CPU Timer and Watchdog Timer Overview

关注、星标公众号,直达精彩内容 来源:ZYNQ 作者:小墨 每个 Cortex-A9 处理器都有自己的私有 32 位定时器和 32 位看门狗定时器,两个处理器共享一个全局 64 位定时器,这些定时器始终以 CPU 频率 (CPU_3x2x) 的 1/2 计时。 CPU 专用和看门狗模块都具有以下特性: 32 位计数器在达到零时产生中断 8 位预分频器可更好地控制中断周期 可配置的单发或自动重新加载模式 计数器的可配置起始值 时钟 所有私有计时器和看门狗计时器始终以 CPU 频率 (CPU_3x2x) 的 1/2 计时 中断到 PS 中断控制器 发送到中断控制器的中断CPU专用外设中断(PPI) 中描述,每个 CPU 都连接到一组私有的五个外设中断,PPI 列于如下 PPI 的灵敏度类型是固定的,不能更改,因此,ICDICFR1 寄存器是只读的,因为它指定了所有 5 个 PPI 的敏感类型。 注意,来自PL的快速中断(FIQ)信号和中断(IRQ)信号被反转,然后发送到中断控制器。 因此,它们在 PS-PL 接口处为高电平有效,尽管 ICDICFR1 寄存器将它们反映为低电平有效 … Read more

Essential Guide to Choosing Smart TVs: The Importance of CPU

Essential Guide to Choosing Smart TVs: The Importance of CPU

Smart TVs have become an indispensable entertainment product in households, as modern people are increasingly dissatisfied with just watching TV or browsing the internet on computers. Since mobile phone systems have transitioned to smart technology, TVs have become the next “target”. As the functions of smart TV systems become more complex and the applications more … Read more

Understanding Arm NEON: CPU Optimization Techniques and Introduction to NEON

Understanding Arm NEON: CPU Optimization Techniques and Introduction to NEON

Click on the card below to follow Arm Technology Academy This article is selected from the “Embedded AI” column of Jishu, authorized to be reprinted from the Zhihu author High-Performance Computing Institute’s “Mobile Algorithm Optimization“. Previously, we learned how to quickly get started with NEON programming, Arm NEON optimization techniques and Arm NEON Learning (III) … Read more

A Review of the DIY Manufacturer’s Notebook Computer

A Review of the DIY Manufacturer's Notebook Computer

DIY manufacturers, also known as “board manufacturers”, are primarily known in the desktop DIY community, with brands like Asus, MSI, and Gigabyte being prominent. They not only release new notebooks every year but also dominate sales in desktop motherboards and graphics cards. Recently, another board manufacturer has entered the notebook industry, which is – Colorful. … Read more

How to Assemble a Computer That Retains Its Value

How to Assemble a Computer That Retains Its Value

When buying a computer, you also need to consider its value retention. Customers, your budget is definitely not that generous, so the components you choose may inherently retain value better. The actual performance iteration speed of computer components is getting faster, and the value retention capability of the main components is correspondingly worse. The main … Read more

Introduction to RTUBOX-206 Arbitrary Waveform Output Board

Introduction to RTUBOX-206 Arbitrary Waveform Output Board

This article mainly introduces the usage of the arbitrary waveform output board based on RTUBOX-206. The arbitrary waveform output board converts simulation data from CSV files into analog signals and outputs them to the oscilloscope terminal. The main operation steps consist of 2 steps: (1) Generate arbitrary waveform simulation files (*.csv files) through MATLAB simulation; … Read more

Top 12 Tablet CPU Control Solutions and Their Manufacturers

Top 12 Tablet CPU Control Solutions and Their Manufacturers

Tablet Control Solutions Companies and Their Manufacturers NEXT 1. Shenzhen Along Electronics Co., Ltd. Headquarters: Shenzhen Type: ODM Overview: The company mainly engages in intelligent terminals, smart solutions, and artificial intelligence fields. Main products include: VR/AR products, OTT, robotics projects, smart clothing products, modern smart devices, mobile phone motherboards, MID tablet motherboards, vehicle system motherboards, … Read more