Identification cards — Contactless integrated circuit cards — Proximity cards — Part 3: Initialization and anticollision

This part of ISO/IEC 14443 describes the following: - polling for proximity cards or objects (PICCs) entering the field of a proximity coupling device (PCD); - the byte format, the frames and timing used during the initial phase of communication between PCDs and PICCs; - the initial Request and Answer to Request command content; - methods to detect and communicate with one PICC among several PICCs (anticollision); - other parameters required to initialize communications between a PICC and PCD; - optional means to ease and speed up the selection of one PICC among several PICCs based on application criteria; - optional capability to allow a device to alternate between the functions of a PICC and a PCD to communicate with a PCD or a PICC, respectively. A device which implements this capability is called a PXD. Protocol and commands used by higher layers and by applications and which are used after the initial phase are described in ISO/IEC 14443‑4. This part of ISO/IEC 14443 is applicable to PICCs of Type A and of Type B (as described in ISO/IEC 14443‑2) and PCDs (as described in ISO/IEC 14443‑2) and to PXDs. NOTE 1 Part of the timing of data communication is defined in ISO/IEC 14443‑2. NOTE 2 Test methods for this part of ISO/IEC 14443 are defined in ISO/IEC 10373‑6.

Cartes d'identification — Cartes à circuit intégré sans contact — Cartes de proximité — Partie 3: Initialisation et anticollision

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Status
Withdrawn
Publication Date
26-May-2016
Withdrawal Date
26-May-2016
Current Stage
9599 - Withdrawal of International Standard
Completion Date
19-Jun-2018
Ref Project

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INTERNATIONAL ISO/IEC
STANDARD 14443-3
Third edition
2016-06-01
Corrected version
2016-09-01
Identification cards — Contactless
integrated circuit cards — Proximity
cards —
Part 3:
Initialization and anticollision
Cartes d’identification — Cartes à circuit intégré sans contact —
Cartes de proximité —
Partie 3: Initialisation et anticollision
Reference number
ISO/IEC 14443-3:2016(E)
©
ISO/IEC 2016

---------------------- Page: 1 ----------------------
ISO/IEC 14443-3:2016(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2016, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO/IEC 2016 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/IEC 14443-3:2016(E)

Contents Page
Foreword .v
Introduction .vi
1 Scope .1
2 Normative references .1
3 Terms and definitions . 2
4 Symbols and abbreviated terms .3
5 Initial dialogs .4
5.1 Alternating PICC and PCD support (PXD) . 4
5.2 Alternating between Type A and Type B commands . 5
5.2.1 Polling . . 5
5.2.2 Influence of Type A commands on PICC Type B operation . 5
5.2.3 Influence of Type B commands on PICC Type A operation . 6
5.2.4 Transition to POWER-OFF state . 6
6 Type A — Initialization and anticollision . 6
6.1 etu . 6
6.2 Frame format and timing . 6
6.2.1 Frame delay time . 7
6.2.2 Request Guard Time . 8
6.2.3 Frame formats . 8
6.2.4 CRC_A .11
6.3 PICC states .12
6.3.1 POWER-OFF state.13
6.3.2 IDLE state .14
6.3.3 READY state.14
6.3.4 ACTIVE state .14
6.3.5 HALT state .14
6.3.6 READY* state .14
6.3.7 ACTIVE* state.14
6.3.8 PROTOCOL state .15
6.4 Command set .15
6.4.1 REQA and WUPA commands .15
6.4.2 ANTICOLLISION and SELECT commands .16
6.4.3 HLTA command .16
6.5 Select sequence . .16
6.5.1 Select sequence flowchart .16
6.5.2 ATQA — Answer to Request .17
6.5.3 Anticollision and Select .18
6.5.4 UID contents and cascade levels .22
7 Type B — Initialization and anticollision .24
7.1 Character, frame format and timing .24
7.1.1 Character transmission format .24
7.1.2 Character separation .24
7.1.3 Frame format .25
7.1.4 SOF .25
7.1.5 EOF .26
7.1.6 Timing before the PICC SOF .27
7.1.7 Timing before the PCD SOF .27
7.2 CRC_B . .28
7.3 Anticollision sequence .28
7.4 PICC states description .29
7.4.1 Initialization and anticollision flowchart .31
7.4.2 General statement for state description and transitions .31
© ISO/IEC 2016 – All rights reserved iii

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ISO/IEC 14443-3:2016(E)

7.4.3 POWER-OFF state.32
7.4.4 IDLE state .32
7.4.5 READY-REQUESTED sub-state .32
7.4.6 READY-DECLARED sub-state .32
7.4.7 PROTOCOL state .33
7.4.8 HALT state .33
7.5 Command set .33
7.6 Anticollision response rules .34
7.6.1 PICC with initialization only .34
7.7 REQB/WUPB command .34
7.7.1 REQB/WUPB command format .34
7.7.2 Coding of anticollision prefix byte APf .34
7.7.3 Coding of AFI .35
7.7.4 Coding of PARAM .35
7.8 Slot-MARKER command .36
7.8.1 Slot-MARKER command format .36
7.8.2 Coding of anticollision prefix byte APn .37
7.9 ATQB Response .37
7.9.1 ATQB response format .37
7.9.2 PUPI (Pseudo-Unique PICC Identifier) .38
7.9.3 Application data .38
7.9.4 Protocol Info .38
7.10 ATTRIB command .42
7.10.1 ATTRIB command format .42
7.10.2 Identifier .42
7.10.3 Coding of Param 1 .42
7.10.4 Coding of Param 2 .44
7.10.5 Coding of Param 3 .44
7.10.6 Coding of Param 4 .45
7.10.7 Higher layer INF .45
7.11 Answer to ATTRIB command .45
7.12 HLTB command and Answer .46
8 Electromagnetic disturbance handling .47
8.1 General .47
8.2 EMD handling timing constraints .47
8.3 Recommendations for a PCD EMD handling algorithm .48
Annex A (informative) Communication example Type A .49
Annex B (informative) CRC_A and CRC_B encoding .51
Annex C (informative) Type A timeslot — Initialization and anticollision .54
Annex D (informative) Example of Type B Anticollision Sequence .58
Annex E (normative) Bit rates of 3fc/4, fc, 3fc/2 and 2fc from PCD to PICC .61
Bibliography .63
iv © ISO/IEC 2016 – All rights reserved

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ISO/IEC 14443-3:2016(E)

Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
members of ISO or IEC participate in the development of International Standards through technical
committees established by the respective organization to deal with particular fields of technical
activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international
organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the
work. In the field of information technology, ISO and IEC have established a joint technical committee,
ISO/IEC JTC 1.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for
the different types of document should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject
of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent
rights. Details of any patent rights identified during the development of the document will be in the
Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical
Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/IEC JTC 1, Information technology, Subcommittee
SC 17, Identification cards and related devices.
This third edition cancels and replaces the second edition (ISO/IEC 14443-3:2011), which has been
technically revised. It also incorporates the Amendments ISO/IEC 14443-3:2011/Amd 1:2011,
ISO/IEC 14443-3:2011/Amd 2:2012, ISO/IEC 14443-3:2011/Amd 3:2014 and ISO/IEC 14443-
3:2011/Amd 6:2014.
ISO/IEC 14443 consists of the following parts, under the general title Identification cards — Contactless
integrated circuit cards — Proximity cards:
— Part 1: Physical characteristics
— Part 2: Radio frequency power and signal interface
— Part 3: Initialization and anti-collision
— Part 4: Transmission protocol
This corrected version of ISO/IEC 14443-3:2016 incorporates the following correction.
Figure 4 was corrected: The last parity bit of a PICC standard frame with bit rate higher than fc/128
was changed from “odd” to “even”.
© ISO/IEC 2016 – All rights reserved v

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ISO/IEC 14443-3:2016(E)

Introduction
ISO/IEC 14443 is one of a series of International Standards describing the parameters for identification
cards as defined in ISO/IEC 7810 and the use of such cards for international interchange.
This part of ISO/IEC 14443 describes polling for proximity cards entering the field of a proximity
coupling device, the byte format and framing, the initial Request and Answer to Request command
content, methods to detect and communicate with one proximity card among several proximity cards
(anticollision) and other parameters required to initialize communications between a proximity card
and a proximity coupling device. Protocols and commands used by higher layers and by applications
and which are used after the initial phase are described in ISO/IEC 14443-4.
ISO/IEC 14443 is intended to allow operation of proximity cards in the presence of other contactless
cards conforming to ISO/IEC 10536 and ISO/IEC 15693.
vi © ISO/IEC 2016 – All rights reserved

---------------------- Page: 6 ----------------------
INTERNATIONAL STANDARD ISO/IEC 14443-3:2016(E)
Identification cards — Contactless integrated circuit cards
— Proximity cards —
Part 3:
Initialization and anticollision
1 Scope
This part of ISO/IEC 14443 describes the following:
— polling for proximity cards or objects (PICCs) entering the field of a proximity coupling device (PCD);
— the byte format, the frames and timing used during the initial phase of communication between
PCDs and PICCs;
— the initial Request and Answer to Request command content;
— methods to detect and communicate with one PICC among several PICCs (anticollision);
— other parameters required to initialize communications between a PICC and PCD;
— optional means to ease and speed up the selection of one PICC among several PICCs based on
application criteria;
— optional capability to allow a device to alternate between the functions of a PICC and a PCD to
communicate with a PCD or a PICC, respectively. A device which implements this capability is
called a PXD.
Protocol and commands used by higher layers and by applications and which are used after the initial
phase are described in ISO/IEC 14443-4.
This part of ISO/IEC 14443 is applicable to PICCs of Type A and of Type B (as described in ISO/IEC 14443-
2) and PCDs (as described in ISO/IEC 14443-2) and to PXDs.
NOTE 1 Part of the timing of data communication is defined in ISO/IEC 14443-2.
NOTE 2 Test methods for this part of ISO/IEC 14443 are defined in ISO/IEC 10373-6.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO/IEC 7816-4, Identification cards — Integrated circuit cards — Part 4: Organization, security and
commands for interchange
ISO/IEC 7816-6, Identification cards — Integrated circuit cards — Part 6: Interindustry data elements for
interchange
ISO/IEC 13239, Information technology — Telecommunications and information exchange between
systems — High-level data link control (HDLC) procedures
ISO/IEC 14443-2, Identification cards — Contactless integrated circuit cards — Proximity cards — Part 2:
Radio frequency power and signal interface
© ISO/IEC 2016 – All rights reserved 1

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ISO/IEC 14443-3:2016(E)

ISO/IEC 14443-4, Identification cards — Contactless integrated circuit cards — Proximity cards — Part 4:
Transmission protocol
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO/IEC 14443-2 and the
following apply.
3.1
anticollision loop
algorithm used to prepare for dialogue between PCD and one or more PICCs out of the total number of
PICCs responding to a request command
3.2
byte
byte consisting of 8 bits of data designated b8 to b1, from the most significant bit (MSB, b8) to the least
significant bit (LSB, b1)
3.3
collision
transmission by two PICCs in the same PCD energizing field and during the same time period, such that
the PCD is unable to distinguish from which PICC the data originated
3.4
frame
sequence of data bits and optional error detection bits, with frame delimiters at start and end
3.5
frame error
error on SOF, start and stop bits, parity bits, EOF
3.6
higher layer protocol
protocol layer (not described in this part of ISO/IEC 14443) that makes use of the protocol layer defined
in this part of ISO/IEC 14443 to transfer information belonging to the application or higher layers of
protocol that is not described in this part of ISO/IEC 14443
3.7
PCD Mode
mode in which a PXD operates as a PCD
3.8
PICC Mode
mode in which a PXD operates as a PICC
3.9
request command
command requesting PICCs of the appropriate type to respond if they are available for initialization
3.10
transmission error
frame error or CRC_A or CRC_B error
2 © ISO/IEC 2016 – All rights reserved

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ISO/IEC 14443-3:2016(E)

4 Symbols and abbreviated terms
For the purposes of this part of ISO/IEC 14443, the following symbols and abbreviated terms apply.
ADC Application Data Coding, Type B
AFI Application Family Identifier, card preselection criteria by application, Type B
APf anticollision prefix f, used in REQB/WUPB, Type B
APn anticollision prefix n, used in Slot-MARKER command, Type B
ATQA Answer to Request, Type A
ATQB Answer to Request, Type B
ATTRIB PICC selection command, Type B
BCC Block Check Character (UID CLn check byte), Type A
CID Card Identifier
CLn cascade level n, Type A
CT cascade tag, Type A
CRC_A Cyclic Redundancy Check error detection code, Type A
CRC_B Cyclic Redundancy Check error detection code, Type B
D Divisor
E end of communication, Type A
EGT extra guard time, Type B
EOF end of frame, Type B
etu elementary time unit
FDT frame delay time PCD to PICC, Type A
fc carrier frequency
FO Frame Option, Type B
fs subcarrier frequency
FWI Frame Waiting time Integer
FWT Frame Waiting Time
HLTA halt command, Type A
HLTB halt command, Type B
ID identification number, Type A
INF information field belonging to higher layer, Type B
LSB least significant bit
MBL Maximum Buffer Length, Type B
MBLI Maximum Buffer Length Index, Type B
MSB most significant bit
N number of anticollision slots, Type B
n variable integer value as defined in the specific clause
NAD node address
NVB number of valid bits, Type A
P odd parity bit, Type A
PCD proximity coupling device
PICC proximity card or object
PUPI Pseudo-Unique PICC Identifier, Type B
PXD proximity extended device
R slot number chosen by the PICC during the anticollision sequence, Type B
REQA REQuest command, Type A
© ISO/IEC 2016 – All rights reserved 3

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ISO/IEC 14443-3:2016(E)

REQB REQuest command, Type B
RFU reserved for future use by ISO/IEC
S start of communication, Type A
SAK Select acknowledge, Type A
SEL select code, Type A
SELECT SELECT command, Type A
SFGI Start-up Frame Guard time Integer
SFGT Start-up Frame Guard Time
SOF Start Of Frame, Type B
t maximum automatic mode alternation cycle time
cyc
t minimum time difference of PICC Mode durations
diff
t low EMD time, PICC
E, PICC
t low EMD time, PCD
E, PCD
TR0 guard time as defined in ISO/IEC 14443-2, Type B
TR1 synchronization time as defined in ISO/IEC 14443-2, Type B
TR2 frame delay time PICC to PCD, Type B
UID unique identifier, Type A
UID CLn unique identifier of CLn, Type A
uidn byte number n of unique identifier, n ≥ 0
WUPA Wake-UP command, Type A
WUPB Wake-UP command, Type B
For the purposes of this part of ISO/IEC 14443, the following notations apply.
— (xxxxx)b data bit representation
— ‘XY’ hexadecimal notation, equal to XY to the base 16
5 Initial dialogs
5.1 Alternating PICC and PCD support (PXD)
A proximity extended device (PXD) shall alternately support PICC requirements (PICC Mode) and PCD
requirements (PCD Mode).
The alternation between the PICC Mode and the PCD Mode may be either automatic or a Mode (PICC
Mode or PCD Mode) may be explicitly selected by the user.
The PICC Mode and the PCD Mode are defined as PICC and PCD in ISO/IEC 14443.
The automatic alternation is defined as follows:
— the PXD shall alternate between the PICC Mode and the PCD Mode with maximum cycle time t = 1 s
cyc
and shall stay in PICC Mode (ready for receiving REQA/WUPA or REQB/WUPB commands, except
for the first 5 ms) longer than in PCD Mode (genera
...

FINAL
INTERNATIONAL ISO/IEC
DRAFT
STANDARD FDIS
14443-3
ISO/IEC JTC 1/SC 17
Identification cards — Contactless
Secretariat: BSI
integrated circuit cards — Proximity
Voting begins on:
2016-01-14 cards —
Voting terminates on:
Part 3:
2016-03-14
Initialization and anticollision
Cartes d’identification — Cartes à circuit intégré sans contact —
Cartes de proximité —
Partie 3: Initialisation et anticollision
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/IEC FDIS 14443-3:2016(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
©
NATIONAL REGULATIONS. ISO/IEC 2016

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ISO/IEC FDIS 14443-3:2016(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2016, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO/IEC 2016 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/IEC FDIS 14443-3:2016(E)

Contents Page
Foreword .v
Introduction .vi
1 Scope .1
2 Normative references .1
3 Terms and definitions .2
4 Symbols and abbreviated terms .2
5 Initial dialogs .5
5.1 Alternating PICC and PCD support (PXD) . 5
5.2 Alternating between Type A and Type B commands . 5
5.2.1 Polling . . 5
5.2.2 Influence of Type A commands on PICC Type B operation . 6
5.2.3 Influence of Type B commands on PICC Type A operation . 6
5.2.4 Transition to POWER-OFF state . 6
6 Type A — Initialization and anticollision .6
6.1 etu . 6
6.2 Frame format and timing . 7
6.2.1 Frame delay time . 7
6.2.2 Request Guard Time . 9
6.2.3 Frame formats . 9
6.2.4 CRC_A .12
6.3 PICC states .13
6.3.1 POWER-OFF state.14
6.3.2 IDLE state .14
6.3.3 READY state.14
6.3.4 ACTIVE state .14
6.3.5 HALT state .14
6.3.6 READY* state .15
6.3.7 ACTIVE* state.15
6.3.8 PROTOCOL state .15
6.4 Command set .15
6.4.1 REQA and WUPA commands .15
6.4.2 ANTICOLLISION and SELECT commands .16
6.4.3 HLTA command .16
6.5 Select sequence . .17
6.5.1 Select sequence flowchart .17
6.5.2 ATQA — Answer to Request .17
6.5.3 Anticollision and Select .19
6.5.4 UID contents and cascade levels .22
7 Type B — Initialization and anticollision .23
7.1 Character, frame format and timing .24
7.1.1 Character transmission format .24
7.1.2 Character separation .24
7.1.3 Frame format .25
7.1.4 SOF .25
7.1.5 EOF .26
7.1.6 Timing before the PICC SOF .27
7.1.7 Timing before the PCD SOF .27
7.2 CRC_B . .28
7.3 Anticollision sequence .28
7.4 PICC states description .29
7.4.1 Initialization and anticollision flowchart .31
7.4.2 General statement for state description and transitions .31
© ISO/IEC 2016 – All rights reserved iii

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ISO/IEC FDIS 14443-3:2016(E)

7.4.3 POWER-OFF state.32
7.4.4 IDLE state .32
7.4.5 READY-REQUESTED sub-state .32
7.4.6 READY-DECLARED sub-state .32
7.4.7 PROTOCOL state .33
7.4.8 HALT state .33
7.5 Command set .33
7.6 Anticollision response rules .33
7.6.1 PICC with initialization only .34
7.7 REQB/WUPB command .34
7.7.1 REQB/WUPB command format .34
7.7.2 Coding of anticollision prefix byte APf .34
7.7.3 Coding of AFI .34
7.7.4 Coding of PARAM .35
7.8 Slot-MARKER command .36
7.8.1 Slot-MARKER command format .36
7.8.2 Coding of anticollision prefix byte APn .36
7.9 ATQB Response .37
7.9.1 ATQB response format .37
7.9.2 PUPI (Pseudo-Unique PICC Identifier) .37
7.9.3 Application data .38
7.9.4 Protocol Info .38
7.10 ATTRIB command .41
7.10.1 ATTRIB command format .42
7.10.2 Identifier .42
7.10.3 Coding of Param 1 .42
7.10.4 Coding of Param 2 .43
7.10.5 Coding of Param 3 .44
7.10.6 Coding of Param 4 .44
7.10.7 Higher layer INF .45
7.11 Answer to ATTRIB command .45
7.12 HLTB command and Answer .46
8 Electromagnetic disturbance handling .46
8.1 General .46
8.2 EMD handling timing constraints .47
8.3 Recommendations for a PCD EMD handling algorithm .48
Annex A (informative) Communication example Type A .49
Annex B (informative) CRC_A and CRC_B encoding .51
Annex C (informative) Type A timeslot — Initialization and anticollision .54
Annex D (informative) Example of Type B Anticollision Sequence .58
Annex E (normative) Bit rates of 3fc/4, fc, 3fc/2 and 2fc from PCD to PICC .61
Bibliography .63
iv © ISO/IEC 2016 – All rights reserved

---------------------- Page: 4 ----------------------
ISO/IEC FDIS 14443-3:2016(E)

Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
members of ISO or IEC participate in the development of International Standards through technical
committees established by the respective organization to deal with particular fields of technical
activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international
organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the
work. In the field of information technology, ISO and IEC have established a joint technical committee,
ISO/IEC JTC 1.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for
the different types of document should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject
of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent
rights. Details of any patent rights identified during the development of the document will be in the
Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical
Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/IEC JTC 1, Information technology, Subcommittee
SC 17, Identification cards and related devices.
This third edition cancels and replaces the second edition (ISO/IEC 14443-3:2011), which has been
technically revised. It also incorporates the Amendments ISO/IEC 14443-3:2011/Amd 1:2011,
ISO/IEC 14443-3:2011/Amd 2:2012, ISO/IEC 14443-3:2011/Amd 3:2014 and ISO/IEC 14443-
3:2011/Amd 6:2014.
ISO/IEC 14443 consists of the following parts, under the general title Identification cards — Contactless
integrated circuit cards — Proximity cards:
— Part 1: Physical characteristics
— Part 2: Radio frequency power and signal interface
— Part 3: Initialization and anticollision
— Part 4: Transmission protocol
© ISO/IEC 2016 – All rights reserved v

---------------------- Page: 5 ----------------------
ISO/IEC FDIS 14443-3:2016(E)

Introduction
ISO/IEC 14443 is one of a series of International Standards describing the parameters for identification
cards as defined in ISO/IEC 7810 and the use of such cards for international interchange.
This part of ISO/IEC 14443 describes polling for proximity cards entering the field of a proximity
coupling device, the byte format and framing, the initial Request and Answer to Request command
content, methods to detect and communicate with one proximity card among several proximity cards
(anticollision) and other parameters required to initialize communications between a proximity card
and a proximity coupling device. Protocols and commands used by higher layers and by applications
and which are used after the initial phase are described in ISO/IEC 14443-4.
ISO/IEC 14443 is intended to allow operation of proximity cards in the presence of other contactless
cards conforming to ISO/IEC 10536 and ISO/IEC 15693.
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FINAL DRAFT INTERNATIONAL STANDARD ISO/IEC FDIS 14443-3:2016(E)
Identification cards — Contactless integrated circuit cards
— Proximity cards —
Part 3:
Initialization and anticollision
1 Scope
This part of ISO/IEC 14443 describes the following:
— polling for proximity cards or objects (PICCs) entering the field of a proximity coupling device (PCD);
— the byte format, the frames and timing used during the initial phase of communication between
PCDs and PICCs;
— the initial Request and Answer to Request command content;
— methods to detect and communicate with one PICC among several PICCs (anticollision);
— other parameters required to initialize communications between a PICC and PCD;
— optional means to ease and speed up the selection of one PICC among several PICCs based on
application criteria;
— optional capability to allow a device to alternate between the functions of a PICC and a PCD to
communicate with a PCD or a PICC, respectively. A device which implements this capability is
called a PXD.
Protocol and commands used by higher layers and by applications and which are used after the initial
phase are described in ISO/IEC 14443-4.
This part of ISO/IEC 14443 is applicable to PICCs of Type A and of Type B (as described in ISO/IEC 14443-
2) and PCDs (as described in ISO/IEC 14443-2) and to PXDs.
NOTE 1 Part of the timing of data communication is defined in ISO/IEC 14443-2.
NOTE 2 Test methods for this part of ISO/IEC 14443 are defined in ISO/IEC 10373-6.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO/IEC 7816-4, Identification cards — Integrated circuit cards — Part 4: Organization, security and
commands for interchange
ISO/IEC 7816-6, Identification cards — Integrated circuit cards — Part 6: Interindustry data elements
for interchange
ISO/IEC 13239, Information technology — Telecommunications and information exchange between
systems — High-level data link control (HDLC) procedures
ISO/IEC 14443-2, Identification cards — Contactless integrated circuit cards — Proximity cards — Part 2:
Radio frequency power and signal interface.
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ISO/IEC FDIS 14443-3:2016(E)

ISO/IEC 14443-4, Identification cards — Contactless integrated circuit cards — Proximity cards — Part 4:
Transmission protocol
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO/IEC 14443-2 and the
following apply.
3.1
anticollision loop
algorithm used to prepare for dialogue between PCD and one or more PICCs out of the total number of
PICCs responding to a request command
3.2
byte
byte consisting of 8 bits of data designated b8 to b1, from the most significant bit (MSB, b8) to the least
significant bit (LSB, b1)
3.3
collision
transmission by two PICCs in the same PCD energizing field and during the same time period, such that
the PCD is unable to distinguish from which PICC the data originated
3.4
frame
sequence of data bits and optional error detection bits, with frame delimiters at start and end
3.5
frame error
error on SOF, start and stop bits, parity bits, EOF
3.6
higher layer protocol
protocol layer (not described in this part of ISO/IEC 14443) that makes use of the protocol layer defined
in this part of ISO/IEC 14443 to transfer information belonging to the application or higher layers of
protocol that is not described in this part of ISO/IEC 14443
3.7
PCD Mode
mode in which a PXD operates as a PCD
3.8
PICC Mode
mode in which a PXD operates as a PICC
3.9
request command
command requesting PICCs of the appropriate type to respond if they are available for initialization
3.10
transmission error
frame error or CRC_A or CRC_B error
4 Symbols and abbreviated terms
For the purposes of this part of ISO/IEC 14443, the following symbols and abbreviated terms apply.
ADC Application Data Coding, Type B
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ISO/IEC FDIS 14443-3:2016(E)

AFI Application Family Identifier, card preselection criteria by application, Type B
APf anticollision prefix f, used in REQB/WUPB, Type B
APn anticollision prefix n, used in Slot-MARKER command, Type B
ATQA Answer to Request, Type A
ATQB Answer to Request, Type B
ATTRIB PICC selection command, Type B
BCC Block Check Character (UID CLn check byte), Type A
CID Card Identifier
CLn cascade level n, Type A
CT cascade tag, Type A
CRC_A Cyclic Redundancy Check error detection code, Type A
CRC_B Cyclic Redundancy Check error detection code, Type B
D Divisor
E end of communication, Type A
EGT extra guard time, Type B
EOF end of frame, Type B
etu elementary time unit
FDT frame delay time PCD to PICC, Type A
fc carrier frequency
FO Frame Option, Type B
fs subcarrier frequency
FWI Frame Waiting time Integer
FWT Frame Waiting Time
HLTA halt command, Type A
HLTB halt command, Type B
ID identification number, Type A
INF information field belonging to higher layer, Type B
LSB least significant bit
MBL Maximum Buffer Length, Type B
MBLI Maximum Buffer Length Index, Type B
MSB most significant bit
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ISO/IEC FDIS 14443-3:2016(E)

N number of anticollision slots, Type B
n variable integer value as defined in the specific clause
NAD node address
NVB number of valid bits, Type A
P odd parity bit, Type A
PCD proximity coupling device
PICC proximity card or object
PUPI Pseudo-Unique PICC Identifier, Type B
PXD proximity extended device
R slot number chosen by the PICC during the anticollision sequence, Type B
REQA REQuest command, Type A
REQB REQuest command, Type B
RFU reserved for future use by ISO/IEC
S start of communication, Type A
SAK Select acknowledge, Type A
SEL select code, Type A
SELECT SELECT command, Type A
SFGI Start-up Frame Guard time Integer
SFGT Start-up Frame Guard Time
SOF Start Of Frame, Type B
t maximum automatic mode alternation cycle time
cyc
t minimum time difference of PICC Mode durations
diff
t low EMD time, PICC
E, PICC
t low EMD time, PCD
E, PCD
TR0 guard time as defined in ISO/IEC 14443-2, Type B
TR1 synchronization time as defined in ISO/IEC 14443-2, Type B
TR2 frame delay time PICC to PCD, Type B
UID unique identifier, Type A
UID CLn unique identifier of CLn, Type A
uidn byte number n of unique identifier, n ≥ 0
WUPA Wake-UP command, Type A
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ISO/IEC FDIS 14443-3:2016(E)

WUPB Wake-UP command, Type B
For the purposes of this part of ISO/IEC 14443, the following notations apply.
— (xxxxx)b data bit representation
— ‘XY’ hexadecimal notation, equal to XY to the base 16
5 Initial dialogs
5.1 Alternating PICC and PCD support (PXD)
A proximity extended device (PXD) shall alternately support PICC requirements (PICC Mode) and PCD
requirements (PCD Mode).
The alternat
...

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