If you have questions regarding any of these documents please contact the DWG chair (dwg-wg-chair@usb.org) and your questions will be channeled to the appropriate group.
Audio Class
Audio Device Class Spec for Basic Audio Devices and Adopters Agreement (.zip format, size 1.33MB)
Audio Device Document 1.0
Audio Data Formats 1.0
Audio Terminal Types 1.0
USB MIDI Devices 1.0
Audio Devices Rev. 2.0 Spec and Adopters Agreement (.zip format, size 1.28MB)
Battery Charging
Battery Charging v1.1 Spec and Adopters Agreement (.zip format, size 292 KB)
Cable and Connector
Cable and Connector Class 2.0
Series 'A' Plug form factor Guideline 1.0
USB Connector for Mezzanine Applications Guidelines Rev. 1.0
Micro-USB Cables and Connectors v1.01 Spec and Adopters Agreement
Common Class (CCS)
Common Class Base Specification 1.0
Communications Device Class
Class definitions for Communication Devices 1.2 (.zip file format, size 2.61 MB)
the components of CDC 1.1 have been reorganized as five separate documents:
ATM120.pdf -- CDC Subclass for Asynchronous Transfer Mode Devices
CDC120.pdf -- CDC Subclass for Communications Devices
ECM120.pdf -- CDC Subclass for Ethernet Control Model Devices
ISDN120.pdf -- CDC Subclass for ISDN Devices
PSTN120.pdf -- CDC Subclass for PSTN devices
CDC Subclass for Wireless Mobile Communication Devices 1.1
CDC v1.2 WMC v1.1 Adopters Agreement
CDC Subclass Specification for Ethernet Emulation Model Devices 1.0
Network Control Model Devices Specification v1.0 and Adopters Agreement (.zip format, size 492 KB)
Content Security
Device Class Definition for Content Security Devices 1.0
Content Security Method 1 - Basic Authentication Protocol 1.0
Content Security Method 2 - USB Digital Transmission Content Protection Implementation 1.0
Device Firmware Upgrade Group
Device Firmware Upgrade 1.1 (new version 31-Aug-2004)
HID Class
HID Information
Imaging Class
Still Image Capture Device Definition 1.0 and Errata as of 16-Mar-2007 (.zip format, size 200 KB)
IrDA
IrDA Bridge Device Definition 1.0
Mass Storage
Mass Storage Class Specification Overview 1.4
Mass Storage Bulk Only 1.0
Mass Storage Control/Bulk/Interrupt (CBI) Specification 1.1
Mass Storage UFI Command Specification 1.0
Mass Storage Bootability Specification 1.0
Lockable Mass Storage Specification 1.0 and Adopters Agreement (.zip format, size 288 KB)
- Lockable Mass Storage IP Disclosure
USB Attached SCSI Protocol (UASP) v1.0 and Adopters Agreement (.zip format, size 204 KB)
Media Transfer Protocol
Media Transfer Protocol v.1.0 Spec and MTP v.1.0 Adopters Agreement (.zip format, size 1.86MB)
Monitor
Monitor Device Document 1.0
OpenUSBDI
OpenUSBDI Specification 1.0
Personal Healthcare
Personal Healthcare Rev. 1.0, Errata for USB Personal Health Care Device Class and Personal Healthcare Adopters Agreement (.zip format, size 386 KB)
Physical Interface Devices
Device Class Definition for PID 1.0
Power
Power Device Class Document 1.0
Printer Class
Printer Device Class Document 1.1