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.
INTELLECTUAL PROPERTY DISCLAIMER
THIS SPECIFICATION IS PROVIDED TO YOU “AS IS” WITH NO WARRANTIES WHATSOEVER,
INCLUDING ANY WARRANTY OF MERCHANTABILITY, NON-INFRINGEMENT, OR FITNESS FOR
ANY PARTICULAR PURPOSE. THE AUTHORS OF THIS SPECIFICATION DISCLAIM ALL LIABILITY,
INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PROPRIETARY RIGHTS, RELATING TO USE
OR IMPLEMENTATION OF INFORMATION IN THIS SPECIFICATION. THE PROVISION OF THIS
SPECIFICATION TO YOU DOES NOT PROVIDE YOU WITH ANY LICENSE, EXPRESS OR IMPLIED,
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.
INTELLECTUAL PROPERTY DISCLAIMER
THIS SPECIFICATION IS PROVIDED TO YOU “AS IS” WITH NO WARRANTIES WHATSOEVER,
INCLUDING ANY WARRANTY OF MERCHANTABILITY, NON-INFRINGEMENT, OR FITNESS FOR
ANY PARTICULAR PURPOSE. THE AUTHORS OF THIS SPECIFICATION DISCLAIM ALL LIABILITY,
INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PROPRIETARY RIGHTS, RELATING TO USE
OR IMPLEMENTATION OF INFORMATION IN THIS SPECIFICATION. THE PROVISION OF THIS
SPECIFICATION TO YOU DOES NOT PROVIDE YOU WITH ANY LICENSE, EXPRESS OR IMPLIED,