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USB Made Simple - Part 3
Low speed device is recognised as full speed (USB tiny-like AVR isp programmer) - Electrical Engineering Stack Exchange
A Gentle Practical Introduction to USB: Basics and Terms Explained! - Atadiat
3 Things You Need to Know about USB Switches
Configuring a micro-controller for low-speed USB communication
USB protocol
A brief introduction to the USB protocol - AVR
Understanding the USB 3.1 protocol
Low/Full Speed USB Physical Layer
ISOUSB211 High/Full/Low Speed USB Repeater - TI | Mouser
USB Isolation: Things to Consider - Advantech
USB extension cable control chip: CH315G USB signal isolation control chip: CH315H - NanjingQinhengMicroelectronics
USB 2.0 | EmbeddedInn
USB keyboard mouse protocols system timing auxiliary device signal definitions
USB-IF Compliance Updates
USB - Wikipedia
USB Full Low Speed Signal Quality
Teledyne LeCroy - Serial Data - QPHY-USB
Amazon.com: Adafruit USB Isolator - 100mA Isolated Low/Full Speed USB [ADA2107] : Electronics
EmbeddedGeeKs - USB Speeds
Amazon.com: Digirig USB Isolator ESD Protection Ground Loop Isolator, ADUM3160 (Only USB 2.0 Full/Low Speed, up to 1W Power) : Electronics
USB connectors – how to use them in modern industry in an optimal manner? | Electronic components. Distributor, online shop – Transfer Multisort Elektronik
USB Isolation: Things to Consider - Advantech
USB High / Full / Low Speed Isolators with Built-in Heavy-Duty Power Transfer - no external power supply needed | Virtins Technology