Universal Serial Bus interfaces for data and power -- Part 2: USB micro-USB cables and connectors specification

The purpose of this document is to define the requirements and features of a Micro-USB connector that will meet the current and future needs of the Cell Phone and Portable Devices markets, while conforming to the USB 2.0 specification for performance, physical size and shape of the Micro-USB interconnect.

Schnittstellen des Universellen Seriellen Busses für Daten und Energie - Teil 2: Festlegung für USB-Mikro-USB-Kabel und Steckverbinder

Interfaces de bus universel en série pour les données et l'alimentation électrique - Partie 2: Bus universel en série - Spécification des câbles et connecteurs micro-USB, révision 1.01

La CEI 62680-2:2013 définit les exigences et les caractéristiques d'un connecteur micro-USB capable de satisfaire aux besoins actuels et futurs du marché des téléphones mobiles et des appareils portatifs, tout en se conformant à la spécification USB 2.0 en ce qui concerne les performances, les dimensions et la forme du dispositif d'interconnexion micro-USB. Le texte de la présente norme est issu des documents établis par l'USB Implementers Forum (USB-IF). La structure et les règles rédactionnelles utilisées dans la présente publication reflètent la pratique de l'organisation qui l'a soumise.

Vmesniki univerzalnega serijskega vodila za prenos podatkov in napajanje - 2. del: Specifikacija povezav med mikro USB-kabli USB in konektorji

General Information

Status
Withdrawn
Publication Date
20-Feb-2014
Withdrawal Date
04-May-2023
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
05-May-2023
Due Date
28-May-2023
Completion Date
05-May-2023

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SLOVENSKI STANDARD
SIST EN 62680-2:2014
01-april-2014
Vmesniki univerzalnega serijskega vodila za prenos podatkov in napajanje - 2. del:
Specifikacija povezav med mikro USB-kabli USB in konektorji
Universal Serial Bus interfaces for data and power -- Part 2: USB micro-USB cables and
connectors specification
Ta slovenski standard je istoveten z: EN 62680-2:2013
ICS:
35.200 Vmesniška in povezovalna Interface and interconnection
oprema equipment
SIST EN 62680-2:2014 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 62680-2:2014

---------------------- Page: 2 ----------------------

SIST EN 62680-2:2014

EUROPEAN STANDARD
EN 62680-2

NORME EUROPÉENNE
December 2013
EUROPÄISCHE NORM

ICS 33.120; 35.200


English version


Universal serial bus interfaces for data and power -
Part 2: Universal serial bus -
Micro-USB cables and connectors specification, revision 1.01
(IEC 62680-2:2013)


Interfaces de bus universel en série pour Schnittstellen des Universellen Seriellen
les données et l'alimentation électrique - Busses für Daten und Energie -
Partie 2: Bus universel en série - Teil 2: Festlegung für USB-Mikro-USB-
Spécification des câbles et connecteurs Kabel und Steckverbinder
micro-USB, révision 1.01 (IEC 62680-2:2013)
(CEI 62680-2:2013)




This European Standard was approved by CENELEC on 2013-10-16. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the CEN-CENELEC Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and notified
to the CEN-CENELEC Management Centre has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus,
the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany,
Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels


© 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62680-2:2013 E

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SIST EN 62680-2:2014
EN 62680-2:2013 - 2 -
Foreword
The text of document 100/2153/FDIS, future edition 1 of IEC 62680-2, prepared by IEC/TC 100, "Audio,
video and multimedia systems and equipment" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN 62680-2:2013.

The following dates are fixed:
• latest date by which the document has (dop) 2014-07-16
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2016-10-16
• latest date by which the national
standards conflicting with the
document have to be withdrawn


Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent
rights.

Endorsement notice
The text of the International Standard IEC 62680-2:2013 was approved by CENELEC as a European
Standard without any modification.

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SIST EN 62680-2:2014




IEC 62680-2

®


Edition 1.0 2013-09




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE
colour

inside










Universal serial bus interfaces for data and power –

Part 2: Universal serial bus – Micro-USB cables and connectors specification,

revision 1.01




Interfaces de bus universel en série pour les données et l'alimentation électrique –

Partie 2: Bus universel en série – Spécification des câbles et connecteurs micro-


USB, révision 1.01













INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE

PRICE CODE
INTERNATIONALE

CODE PRIX XA


ICS 33.120; 35.200 ISBN 978-2-8322-1089-5



Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

---------------------- Page: 5 ----------------------

SIST EN 62680-2:2014
– 2 – 62680-2 © IEC:2013
 USB-IF:2006
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

UNIVERSAL SERIAL BUS INTERFACES FOR DATA AND POWER –

Part 2: Universal serial bus –
Micro-USB cables and connectors specification, revision 1.01

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62680-2 has been prepared by technical area 14: Interfaces and
methods of measurement for personal computing equipment, of IEC technical committee 100:
Audio, video and multimedia systems and equipment.
The text of this standard is based on documents prepared by the USB Implementers Forum
(USB-IF). The structure and editorial rules used in this publication reflect the practice of the
organization which submitted it.
The text of this standard is based on the following documents:
FDIS Report on voting
100/2153/FDIS 100/2184/RVD

Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.

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SIST EN 62680-2:2014
62680-2 © IEC:2013 – 3 –
 USB-IF:2006
A list of all the parts in the IEC 62680 series, published under the general title Universal serial
bus interfaces for data and power can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.

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SIST EN 62680-2:2014
– 4 – 62680-2 © IEC:2013
 USB-IF:2006
INTRODUCTION

The IEC 62680 series is based on a series of specifications that were originally developed by
the USB Implementers Forum (USB-IF). These specifications were submitted to the IEC under
the auspices of a special agreement between the IEC and the USB-IF.
The USB Implementers Forum, Inc.(USB-IF) is a non-profit corporation founded by the group
of companies that developed the Universal Serial Bus specification. The USB-IF was formed
to provide a support organization and forum for the advancement and adoption of Universal
Serial Bus technology. The Forum facilitates the development of high-quality compatible USB
peripherals (devices), and promotes the benefits of USB and the quality of products that have
passed compliance testing.
ANY USB SPECIFICATIONS ARE PROVIDED TO YOU "AS IS, "WITH NO WARRANTIES
WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY, NON-
INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE. THE USB
IMPLEMENTERS FORUM AND THE AUTHORS OF ANY USB SPECIFICATIONS DISCLAIM
ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PROPRIETARY
RIGHTS, RELATING TO USE OR IMPLEMENTATION OR INFORMATION IN THIS
SPECIFICAITON.

THE PROVISION OF ANY USB SPECIFICATIONS TO YOU DOES NOT PROVIDE YOU
WITH ANY LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY
INTELLECTUAL PROPERTY RIGHTS.

Entering into USB Adopters Agreements may, however, allow a signing company to
participate in a reciprocal, royalty-free licensing arrangement for compliant products. For
more information, please see:
http://www.usb.org/developers/docs/
http://www.usb.org/developers/devclass_docs#approved

IEC DOES NOT TAKE ANY POSITION AS TO WHETHER IT IS ADVISABLE FOR YOU TO
ENTER INTO ANY USB ADOPTERS AGREEMENTS OR TO PARTICIPATE IN THE USB
IMPLEMENTERS FORUM.”


This series covers the Universal Series Bus interfaces for data and power and consists of the
following parts:
IEC 62680-1, Universal Serial Bus interfaces for data and power – Part 1: Universal Serial
Bus Specification, Revision 2.0

IEC 62680-2, Universal Serial Bus interfaces for data and power – Part 2: USB Micro-USB
Cables and Connectors Specification, Revision 1.01

IEC 62680-3, Universal Serial Bus interfaces for data and power – Part 3: USB Battery
Charging Specification, Revision 1.2

IEC 62680-4, Universal Serial Bus interfaces for data and power – Part 4: Universal Serial
Bus Cables and Connectors Class Document Revision. 2.0
This part of the IEC 62680 series consists of several distinct parts:
• the main body of the text, which consists of the original specification and all ECN and
Errata developed by the USB-IF.

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SIST EN 62680-2:2014
62680-2 © IEC:2013 – 5 –
 USB-IF:2006
CONTENTS
1 Introduction . 10
1.1 General . 10
1.2 Objective of the Specification . 10
1.3 Intended Audience/Scope . 10
1.4 Related Documents . 10
2 Acronyms and Terms . 10
3 Significant Features . 11
3.1 USB 2.0 Specification Compliance . 11
3.2 On-The-Go Device . 11
3.3 Connectors . 11
3.4 Compliant Cable Assemblies . 12
3.5 Plug Overmolds . 12
4 Cables and Connectors . 12
4.1 Introduction . 12
4.2 Micro-Connector Mating . 12
4.3 Color Coding . 13
4.4 Device, Cable and Adapter Delays . 13
4.5 Compliant Usage of Connectors and Cables . 14
4.5.1 Cables . 14
4.5.2 Overmolds . 14
4.5.3 Mechanical Interfaces . 14
4.5.4 Surface mount standard version drawings . 14
4.5.5 DIP-type and Midmount-type receptacles . 14
4.5.6 Connector Keying . 15
4.5.7 Right Angle Plugs . 15
4.5.8 Adapters . 15
4.6 Drawings . 15
5 Electrical Compliance Requirements . 34
5.1 Data Rates Beyond USB 2.0 (480Mb/s -->) . 35
5.2 Low Level Contact Resistance . 35
5.3 Contact Current Rating . 35
5.3.1 Signal Contacts Only (2, 3, and 4) . 35
5.3.2 With Power Applied Contacts (1 and 5) . 35
6 Mechanical Compliance Requirements . 35
6.1 Operating Temperature Range . 35
6.1.1 Option I . 35
Option II . 35
6.2 Insertion Force . 35
6.3 Extraction Force . 35
6.4 Plating . 35
6.4.1 Option I . 36
6.4.2 Option II . 36
6.5 Solderability . 36
6.6 Peel Strength (Reference Only) . 36
6.7 Wrenching Strength (Reference Only) . 36
6.8 Lead Co-Planarity . 36
6.9 RoHS Compliance . 36

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SIST EN 62680-2:2014
– 6 – 62680-2 © IEC:2013
 USB-IF:2006
6.10 Shell & Latch Materials . 36

Note: All Engineering Change Notice’s (ECN) and Errata documents as of
September 01, 2012 that pertain to this core specification follow the last
page of the specification starting on page 37.

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SIST EN 62680-2:2014
62680-2 © IEC:2013 – 7 –
 USB-IF:2006
Universal Serial Bus
Micro-USB Cables and Connectors
Specification


Revision 1.01
April 4, 2007

Revision History
Revision Issue Date Comment
0.6 1/30/2006 Revisions to all sections
0.7 3/24/2006 Added revised Micro-USB drawings to Rev.0.8
0.8 4/19/2006 Editorial changes and additions by Jan Fahllund (Nokia)
0.8b 4/26/2006 Corrections to the 0.8 version (based by comments from contributors)
0.9 6/7/2006 Corrections based on comments from the 0.8b version
1.0RC 8/2/2006 Added lubricant recommendation, LLRC delta change specified
1.01RC 11/10/2006 Editorial changes and addition based on Oct-06 USB-IF CCWG meeting.
1.02RC 12/10/2006 Shell material thickness tolerances changed so that material can be 0.25 mm
or 0.3 mm; edited three pictures (Figure 4-10, 4-11 and 4-12).
1.03RC 12/11/2006 Two pictures edited (Figure 4-8 and 4-9). In fig 4-8 max height to be 2.8mm
MAX. In fig 4-9 R0.25mm MAX to be R0.30mm MAX.
1.0RC3 12/19/2006 For BoD approval
1.0 1/12/2007 Approved
1.0 1/22/2007 Cosmetic edits for publication
1.01 4/4/2007 Editorial corrections and additions to contributor list. Reinserted shell and plug
material requirements as section 6.10. Clarified wording on Plating
Recommendations.

Copyright © 2006 USB Implementers Forum, Inc. (USB-IF).
All rights reserved.

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SIST EN 62680-2:2014
– 8 – 62680-2 © IEC:2013
 USB-IF:2006
A LICENSE IS HEREBY GRANTED TO REPRODUCE THIS SPECIFICATION FOR INTERNAL
USE ONLY. NO OTHER LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR
OTHERWISE, IS GRANTED OR INTENDED HEREBY.
USB-IF AND THE AUTHORS OF THIS SPECIFICATION EXPRESSLY DISCLAIM ALL
LIABILITY FOR INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, RELATING TO
IMPLEMENTATION OF INFORMATION IN THIS SPECIFICATION. USB-IF AND THE
AUTHORS OF THIS SPECIFICATION ALSO DO NOT WARRANT OR REPRESENT THAT
SUCH IMPLEMENTATION(S) WILL NOT INFRINGE THE INTELLECTUAL PROPERTY
RIGHTS OF OTHERS.
THIS SPECIFICATION IS PROVIDED "AS IS" AND WITH NO WARRANTIES, EXPRESS OR
IMPLIED, STATUTORY OR OTHERWISE. ALL WARRANTIES ARE EXPRESSLY
DISCLAIMED. NO WARRANTY OF MERCHANTABILITY, NO WARRANTY OF NON-
INFRINGEMENT, NO WARRANTY OF FITNESS FOR ANY PARTICULAR PURPOSE, AND
NO WARRANTY ARISING OUT OF ANY PROPOSAL, SPECIFICATION, OR SAMPLE.
IN NO EVENT WILL USB-IF OR USB-IF MEMBERS BE LIABLE TO ANOTHER FOR THE
COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS OF
USE, LOSS OF DATA OR ANY INCIDENTAL, CONSEQUENTIAL, INDIRECT, OR SPECIAL
DAMAGES, WHETHER UNDER CONTRACT, TORT, WARRANTY, OR OTHERWISE,
ARISING IN ANY WAY OUT OF THE USE OF THIS SPECIFICATION, WHETHER OR NOT
SUCH PARTY HAD ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
All product names are trademarks, registered trademarks, or service marks of their respective
owners.

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SIST EN 62680-2:2014
62680-2 © IEC:2013 – 9 –
 USB-IF:2006
Contributors
Mark Rodda, (editor) Motorola Yoichi Nakazawa, JST
Jan Fahllund, (editor) Nokia Kevin Fang, Longwell Electronics
Jim Koser, (CCWG Chairman), Foxconn Morgan Jair, Main Super Co.
Ed Beeman, 2010 Tech Tom Kawaguchi, Matsushita Electric Works
Glen Chandler, Advanced-Connectek (Acon) Ron Ward, Matsushita Electric Works
Charles Wang, Advanced-Connectek (Acon) Satoshi Yamamoto, Matsushita Electric Works
Toshinori Sasaki, Across Techno Yasuhiko Shinohara, Mitsumi
Minoru Ohara, Allion Atsushi Nishio, Mitsumi
Brad Brown, ATL Hitoshi Kawamura, Mitsumi
Christopher Mattson, ATL Scott Sommers, Molex
Marcus Darrington, ATL Kevin Delaney, Molex
Jaremy Flake, ATL Technology Kieran Wright, Molex
George Olear, Contech Research Padraig McDaid, Molex
Roy Ting, Elka Mikko Poikselka, Molex
Sophia Liu, ETC Sam Liu, Newnex Technology Corp.
Bill Northey, FCI Richard Petrie, Nokia
Tsuneki Watanabe, Foxconn Kai Silvennoinen, Nokia
Jim Zhao, Foxconn Panu Ylihaavisto, Nokia
David Ko, Foxconn Arthur Zarnowitz, Palm
Jong Tseng, Foxconn Douglas Riemer, SMK
Jack Lu, Foxlink Eric Yagi, SMK
Tim Chang, Foxlink Abid Hussain, Summit Microelectronics
Sathid Inthon, Fujikura Kaz Osada, Tyco
Toshi Mimura, Fujijura Masaru Ueno, Tyco
Alan Berkema, Hewlett-Packard Yoshikazu Hirata, Tyco
Karl Kwiat, Hirose Mark Paxson, VTM Inc.
Shinya Tono, Hirose
Kazu Ichikawa, Hirose
Ryozo Koyama, Hirose
Yousuke Takeuchi, Hirose
Tsuyoshi Kitagawa, Hosiden
Jim Eilers, Hosiden
Kazuhiro Saito, JAE
Ron Muir, JAE
Mark Saubert, JAE
Yasuhira Miya, JST
Takahiro Diguchi, JST

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SIST EN 62680-2:2014
– 10 – 62680-2 © IEC:2013
 USB-IF:2006
1 Introduction
1.1 General
USB has become a popular interface for exchanging data between cell phone and portable
devices. Many of these devices have become so small it is impossible to use standard USB
components as defined in the USB 2.0 specification. In addition the durability requirements of
the Cell Phone and Portable Devices market exceed the specifications of the current
interconnects. Since Cell Phones and other small Portable Devices are the largest market
potential for USB, this specification is addressing this very large market while meeting all the
requirements for electrical performance within the USB 2.0 specification.
1.2 Objective of the Specification
The purpose of this document is to define the requirements and features of a Micro-USB
connector that will meet the current and future needs of the Cell Phone and Portable Devices
markets, while conforming to the USB 2.0 specification for performance, physical size and
shape of the Micro-USB interconnect.
This is not a stand-alone document. Any aspects of USB that are not specifically changed by
this specification are governed by the USB 2.0 Specification and USB On-The-Go Supplement.
1.3 Intended Audience/Scope
Cell phone and Portable Devices have become so thin that the current Mini-USB does not fit
well within the constraints of future designs. Additional requirements for a more rugged
connector that will have durability past 10,000 cycles and still meet the USB 2.0 specification
for mechanical and electrical performance was also a consideration. The Mini-USB could not
be modified and remain backward compatible to the existing connector as defined in the USB
OTG specification.
1.4 Related Documents
USB 2.0
USB OTG Supplement
2 Acronyms and Terms
This chapter lists and defines terms and abbreviations used throughout this specification.
A-Device A device with a Type-A plug inserted into its receptacle. The A-
device supplies power to VBUS and is host at the start of a session.
If the A-device is On-The-Go, it may relinquish the role of host to an
On-The-Go B-device under certain conditions,
Application A generic term referring to any software that is running on a device
that can control the behavior or actions of the USB port(s) on a
device.
B-Device A device with a Type-B plug inserted into its receptacle. The B-
device is a peripheral at the start of a session. If the B-device is
OTG, it may be granted the role of host from an OTG A-device.
DIP-type A connector with contact and shield solder tails that are soldered
through the printed circuit board
FS Full Speed (max 12Mb/s)
Higher than HS (480Mb/s ---> 5 Gb/s)

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SIST EN 62680-2:2014
62680-2 © IEC:2013 – 11 –
 USB-IF:2006
HS High Speed (max 480 Mb/s)
Host A physical entity that is attached to a USB cable and is acting in the
role of the USB host as defined in the USB Specification, Revision
2.0. This entity initiates all data transactions and provides periodic
Start of Frames.
HNP Host Negotiation Protocol
ID Identification. Denotes the pin on the Micro connectors that is used
to differentiate a Micro-A plug from a Micro-B plug.
LS Low Speed (max 1,5 Mb/s)
Midmount-type A connector that is mounted in a cut-out in the printed circuit board
between the top and bottom surfaces.
OTG On-The-Go
OTG device A device with the host and peripheral capabilities
Peripheral A physical entity that is attached to a USB cable and is currently
operating as a “device” as defined in the USB Specification,
Revision 2.0. The Peripheral responds to low level bus requests
from the Host.
PCB Printed circuit board
USB Universal Serial Bus
USB-IF USB Implementers Forum

3 Significant Features
This section identifies the significant features of the Micro-USB specification. The purpose of
this section is not to present all the technical details associated with each major feature, but
rather to highlight its existence. Where appropriate, this section references other parts of the
document where further details can be found.
3.1 USB 2.0 Specification Compliance
Any device with Micro-USB features is first and foremost a USB peripheral that is compliant
with the USB 2.0 specification.
3.2 On-The-Go Device
Any OTG Micro-USB device shall conform to the OTG requirements as set forth in the On-
The-Go Supplement to the USB 2.0 Specification.
3.3 Connectors
The USB 2.0 specification defines the following connectors:
• Standard-A plug and receptacle,
• Standard-B plug and receptacle, and
• Mini-B plug and receptacle.
The Micro-USB specification defines the following additional connectors:

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SIST EN 62680-2:2014
– 12 – 62680-2 © IEC:2013
 USB-IF:2006
• Micro-B plug and receptacle
• Micro-AB receptacle
• Micro-A plug.
The Micro-AB receptacle is only allowed on OTG products. All other uses of the Micro-AB
receptacle are prohibited. The Micro-AB receptacle accepts either a Micro-A plug or a Micro-B
plug.
It is recommended that the Micro-AB continue to support HNP as requested and support full
functionality as a peripheral when a Micro-B plug is inserted.
3.4 Compliant Cable Assemblies
The USB 2.0 specification defines the following cables:
• Standard-A plug to Standard–B plug,
• Standard-A plug to Mini-B plug, and
• Captive cable with Standard-A plug.
The Micro-USB specification defines the following additional cables:
• Micro-A plug to Micro-B plug,
• Micro-A plug to Standard-A receptacle
• Micro-B plug to Standard-A plug, and
• Hardwired Captive cable with Micro-A plug. (Hardwired Captive cable is a cable,
connected internally to a device, which is not designed to be removed by the end user of
that d
...

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