USB Software
How many USB layers can I have? Understanding USB Architecture and Layering - IcronShop.com
Solved Universal Serial Bus (USB) operates in Tiered Star | Chegg.com
An Efficient Link Establish Scheme for Device to Device Communications in Wireless USB Systems | SpringerLink
USB powered peripheral devices
USB Bus Description (System Administration Guide: Basic Administration)
Universal Serial Bus
File:USB system topology example.png - stm32mcu
A Gentle Practical Introduction to USB: Basics and Terms Explained! - Atadiat
Using a USB host controller security extension for controlling changes in and auditing USB topology - CoryXie - 博客园
Linux USB - USB Topology
USB-2.0 - embeddedinn
WuT background information on USB interface
HP Product Family - USB 1.0/1.1 and USB 2.0 Overview | HP® Customer Support
USB Made Simple - Part 1
USB Topology
USB Background - Total Phase
computer architecture - What is the difference between a USB Hub and an the I/O device? - Electrical Engineering Stack Exchange
USB Component: USB Network
An introduction to Wireless USB (WUSB)
USB Basics - Advantech
Additional Interfaces to the Display Part 3
