Understanding and Performing USB 2.0 Physical Layer Testing and Debugging
USB in a NutShell - Chapter 2 - Hardware
USB 101: An Introduction to Universal Serial Bus 2.0
Switching in USB Consumer Applications | Analog Devices
What is the power output of a USB port? - Super User
Connecting to Old Instruments Having +-12V RS232 Voltage Levels - NI Community
USB D-/D+ - Networking, Protocols, and Devices - Arduino Forum
USB-IF Compliance Updates
USB (Communications) - Wikipedia
ARM: USB Low-Speed Device on NXP LPC1800/4300 USB0 Host
USB keyboard mouse protocols system timing auxiliary device signal definitions
AN0046: USB Hardware Design Guidelines
The USB 3.0 physical layer
USB-IF Compliance Updates
Autonomic Controls Mirage MMS-5A media server Follow-Up | Stereophile.com
USB hardware - Wikipedia
What is the power output of a USB port? - Super User
voltage - Why does USB have Vcc=5V and high=3.3V? - Electrical Engineering Stack Exchange
High-Speed USB 2.0 1:2 Multiplexer/Demultiplexer Switch With Single Enable* datasheet (Rev. F)
USB Dedicated Charging Port Controller and Power Switch. datasheet (Rev. A)
voltage - Why does USB have Vcc=5V and high=3.3V? - Electrical Engineering Stack Exchange
The Basics of USB-C and USB Power Delivery - ASME
Switching in USB Consumer Applications | Analog Devices
Overview of the CAN Bus Protocol - Embedded - Engineering and Component Solution Forum - TechForum │ Digi-Key
Verify USB port's supply voltage before use - EDN
USB Made Simple - Part 2
Switching in USB Consumer Applications | Analog Devices
B&B Electronics - Polarities for Differential Pair Signals (RS-422 and RS-485)
Serial Communication - SparkFun Learn
