Universal Serial Bus - OSDev Wiki
USB Component: Control Transfers
USB Devices
USB Requests and Stages of Control Transfer (Part 4/6)
USB Endpoints - Developer Help
USB Virtual Serial Port Firmware | Stratify Labs
USB in a NutShell - Chapter 5 - USB Descriptors
USB endpoints and their pipes - Windows drivers | Microsoft Docs
USB in a NutShell - Chapter 4 - Endpoint Types
9.1 USB Control Transfers Overview
Programming Architecture
Adding a USB Device Endpoint to an STM Example Project | DMC, Inc.
USB device layout - Windows drivers | Microsoft Docs
How Many USB Devices Can I Connect? | Acroname
USB Component: USB Communication
![The USB composite framework [LWN.net]](https://static.lwn.net/images/2010/usb-gadget.png "The USB composite framework [LWN.net]")
The USB composite framework [LWN.net]
USB Endpoints - Workbook for Embedded Workshops
Read more about endpoint limitation - Cambrionix
USB Component: USB Device
RL-ARM User's Guide (MDK v4): USB Protocol
B.5 �USB Data Types
13.1. USB Device Basics
USB Transfer Types - Developer Help
USB 101: An Introduction to Universal Serial Bus 2.0
