ISO/IEC 14443-3:2018
Cards and security devices for personal identification — Contactless proximity objects — Part 3: Initialization and anticollision
This document 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 document is applicable to PICCs of Type A and of Type B (as described in ISO/IEC 14443‑2), to 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 document are defined in ISO/IEC 10373‑6.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, abbreviated terms and notations
4.1 Symbols and abbreviated terms
4.2 Notations
5 General requirements
5.1 Alternating PICC and PCD support (PXD)
5.2 Alternating between Type A and Type B commands
5.2.1 Polling
5.2.2 Influence of Type A commands on PICC Type B operation
5.2.3 Influence of Type B commands on PICC Type A operation
5.2.4 Transition to POWER‑OFF state
5.3 RFU handling
6 Type A — Initialization and anticollision
6.1 etu
6.2 Frame format and timing
6.2.1 Frame delay time
6.2.2 Request Guard Time
6.2.3 Frame formats
6.2.4 CRC_A
6.3 PICC states
6.3.1 POWER‑OFF state
6.3.2 IDLE state
6.3.3 READY state
6.3.4 ACTIVE state
6.3.5 HALT state
6.3.6 READY* state
6.3.7 ACTIVE* state
6.3.8 PROTOCOL state
6.4 Command set
6.4.1 REQA and WUPA commands
6.4.2 ANTICOLLISION and SELECT commands
6.4.3 HLTA command
6.5 Select sequence
6.5.1 Select sequence flowchart
6.5.2 ATQA — Answer to Request
6.5.3 Anticollision and Select
6.5.4 UID contents and cascade levels
7 Type B — Initialization and anticollision
7.1 Character, frame format and timing
7.1.1 Character transmission format
7.1.2 Character separation
7.1.3 Frame format
7.1.4 SOF
7.1.5 EOF
7.1.6 Timing before the PICC SOF
7.1.7 Timing before the PCD SOF
7.2 CRC_B
7.3 Anticollision sequence
7.4 PICC states description
7.4.1 Initialization and anticollision flowchart
7.4.2 General statement for state description and transitions
7.4.3 POWER‑OFF state
7.4.4 IDLE state
7.4.5 READY-REQUESTED sub-state
7.4.6 READY-DECLARED sub-state
7.4.7 PROTOCOL state
7.4.8 HALT state
7.5 Command set
7.6 Anticollision response rules
7.6.1 PICC with initialization only
7.7 REQB/WUPB command
7.7.1 REQB/WUPB command format
7.7.2 Coding of anticollision prefix byte APf
7.7.3 Coding of AFI
7.7.4 Coding of PARAM
7.8 Slot‑MARKER command
7.8.1 Slot‑MARKER command format
7.8.2 Coding of anticollision prefix byte APn
7.9 ATQB Response
7.9.1 ATQB response format
7.9.2 Pseudo-Unique PICC Identifier (PUPI)
7.9.3 Application data
7.9.4 Protocol Info
7.10 ATTRIB command
7.10.1 ATTRIB command format
7.10.2 Identifier
7.10.3 Coding of Param 1
7.10.4 Coding of Param 2
7.10.5 Coding of Param 3
7.10.6 Coding of Param 4
7.10.7 Higher layer INF
7.11 Answer to ATTRIB command
7.12 HLTB command and Answer
8 Electromagnetic disturbance handling
8.1 General
8.2 EMD timing constraints
8.3 Recommendations for a PCD algorithm for EMD handling
Annex A (informative) Communication example Type A
Annex B (informative) CRC_A and CRC_B encoding
Annex C (informative) Type A timeslot — Initialization and anticollision
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, abbreviated terms and notations
4.1 Symbols and abbreviated terms
4.2 Notations
5 General requirements
5.1 Alternating PICC and PCD support (PXD)
5.2 Alternating between Type A and Type B commands
5.2.1 Polling
5.2.2 Influence of Type A commands on PICC Type B operation
5.2.3 Influence of Type B commands on PICC Type A operation
5.2.4 Transition to POWER‑OFF state
5.3 RFU handling
6 Type A — Initialization and anticollision
6.1 etu
6.2 Frame format and timing
6.2.1 Frame delay time
6.2.2 Request Guard Time
6.2.3 Frame formats
6.2.4 CRC_A
6.3 PICC states
6.3.1 POWER‑OFF state
6.3.2 IDLE state
6.3.3 READY state
6.3.4 ACTIVE state
6.3.5 HALT state
6.3.6 READY* state
6.3.7 ACTIVE* state
6.3.8 PROTOCOL state
6.4 Command set
6.4.1 REQA and WUPA commands
6.4.2 ANTICOLLISION and SELECT commands
6.4.3 HLTA command
6.5 Select sequence
6.5.1 Select sequence flowchart
6.5.2 ATQA — Answer to Request
6.5.3 Anticollision and Select
6.5.4 UID contents and cascade levels
7 Type B — Initialization and anticollision
7.1 Character, frame format and timing
7.1.1 Character transmission format
7.1.2 Character separation
7.1.3 Frame format
7.1.4 SOF
7.1.5 EOF
7.1.6 Timing before the PICC SOF
7.1.7 Timing before the PCD SOF
7.2 CRC_B
7.3 Anticollision sequence
7.4 PICC states description
7.4.1 Initialization and anticollision flowchart
7.4.2 General statement for state description and transitions
7.4.3 POWER‑OFF state
7.4.4 IDLE state
7.4.5 READY-REQUESTED sub-state
7.4.6 READY-DECLARED sub-state
7.4.7 PROTOCOL state
7.4.8 HALT state
7.5 Command set
7.6 Anticollision response rules
7.6.1 PICC with initialization only
7.7 REQB/WUPB command
7.7.1 REQB/WUPB command format
7.7.2 Coding of anticollision prefix byte APf
7.7.3 Coding of AFI
7.7.4 Coding of PARAM
7.8 Slot‑MARKER command
7.8.1 Slot‑MARKER command format
7.8.2 Coding of anticollision prefix byte APn
7.9 ATQB Response
7.9.1 ATQB response format
7.9.2 Pseudo-Unique PICC Identifier (PUPI)
7.9.3 Application data
7.9.4 Protocol Info
7.10 ATTRIB command
7.10.1 ATTRIB command format
7.10.2 Identifier
7.10.3 Coding of Param 1
7.10.4 Coding of Param 2
7.10.5 Coding of Param 3
7.10.6 Coding of Param 4
7.10.7 Higher layer INF
7.11 Answer to ATTRIB command
7.12 HLTB command and Answer
8 Electromagnetic disturbance handling
8.1 General
8.2 EMD timing constraints
8.3 Recommendations for a PCD algorithm for EMD handling
Annex A (informative) Communication example Type A
Annex B (informative) CRC_A and CRC_B encoding
Annex C (informative) Type A timeslot — Initialization and anticollision
Bibliography