Usb 2.0 Specification

Universal Serial Bus
Specification
Compaq
Hewlett-Packard
Intel
Lucent
Microsoft
NEC
Philips

Revision 2.0
April 27, 2000

Universal Serial Bus Specification Revision 2.0

Scope of this Revision
The 2.0 revision of the specification is intended for product design. Every attempt has been made to ensure a consistent and implementable specification. Implementations should ensure compliance with this revision.
Revision History
Revision

Issue Date

Comments

0.7

November 11, 1994

Supersedes 0.6e.

0.8

December 30, 1994

Revisions to Chapters 3-8, 10, and 11. Added appendixes. 0.9

April 13, 1995

Revisions to all the chapters.

0.99

August 25, 1995

Revisions to all the chapters.

1.0 FDR

November 13, 1995

Revisions to Chapters 1, 2, 5-11.

1.0

January 15, 1996

Edits to Chapters 5, 6, 7, 8, 9, 10, and 11 for consistency. 1.1

September 23, 1998

Updates to all chapters to fix problems identified.

2.0 (draft 0.79)

October 5, 1999

Revisions to chapters 5, 7, 8, 9, 11 to add high speed. 2.0 (draft 0.9)

December 21, 1999

Revisions to all chapters to add high speed.

2.0

April 27, 2000

Revisions for high-speed mode.

Universal Serial Bus Specification
Copyright © 2000, Compaq Computer Corporation,
Hewlett-Packard Company, Intel Corporation, Lucent Technologies Inc,
Microsoft Corporation, NEC Corporation, Koninklijke Philips Electronics N.V.
All rights reserved.
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