NFC Digital Protocol
Technical Specification
NFC Forum
TM
DIGITAL 1.0
NFCForum-TS-DigitalProtocol-1.0
2010-11-17
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Contents
1 Introduction .................................................................................................... 1
1.1 Scope ............................................................................................................................. 1
1.2 Audience ........................................................................................................................ 1
1.3 Applicable Documents or References ........................................................................... 1
1.4 Administration ............................................................................................................... 3
1.5 Name and Logo Usage .................................................................................................. 3
1.6 Intellectual Property ...................................................................................................... 4
1.7 Acknowledgements ....................................................................................................... 4
1.8 Special Word Usage ...................................................................................................... 4
1.9 Requirement Numbering ............................................................................................... 4
1.10 Implementation of Optional Items ................................................................................. 5
1.11 Notational Conventions ................................................................................................. 5
1.11.1 Notations ......................................................................................................... 5
1.11.2 Value of Parameters ........................................................................................ 5
1.12 Abbreviations ................................................................................................................ 6
1.13 Glossary ......................................................................................................................... 8
1.13.1 Device and Communication ............................................................................ 8
1.13.2 Protocol and Mode ........................................................................................ 10
1.13.3 Errors ............................................................................................................ 10
2 Overview ...................................................................................................... 12
3 Bit Duration .................................................................................................. 14
4 NFC-A Technology ...................................................................................... 15
4.1 Sequence Format ......................................................................................................... 15
4.1.1 Poll→Listen Modulation .............................................................................. 15
4.1.2 Listen→Poll Modulation .............................................................................. 17
4.1.3 Synchronization ............................................................................................ 18
4.1.4 De-synchronization ....................................................................................... 19
4.2 Bit Level Coding ......................................................................................................... 19
4.2.1 Poll→Listen Coding Scheme ........................................................................ 19
4.2.2 Listen→Poll Coding Scheme ........................................................................ 21
4.3 Frame Format .............................................................................................................. 21
4.3.2 Short Frame .................................................................................................. 22
4.3.3 Standard Frame ............................................................................................. 22
4.3.4 Bit Oriented SDD Frame .............................................................................. 23
4.4 Data and Payload Format ............................................................................................ 24
4.5 Command Set .............................................................................................................. 25
4.6 ALL_REQ and SENS_REQ ........................................................................................ 25
4.6.1 ALL_REQ Command ................................................................................... 26
4.6.2 SENS_REQ Command ................................................................................. 26
4.6.3 SENS_RES Response ................................................................................... 26
4.7 SDD_REQ ................................................................................................................... 27
4.7.1 SDD_REQ Command ................................................................................... 28
4.7.2 SDD_RES Response ..................................................................................... 31
4.8 SEL_REQ .................................................................................................................... 34
4.8.1 SEL_REQ Command .................................................................................... 34
4.8.2 SEL_RES Response ...................................................................................... 35
4.9 SLP_REQ .................................................................................................................... 36
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4.9.1 SLP_REQ Command .................................................................................... 36
4.9.2 SLP_REQ Response ..................................................................................... 37
4.10 Timing Requirements .................................................................................................. 37
4.10.1 Frame Delay Time Poll→Listen ................................................................... 37
4.10.2 Frame Delay Time Listen→Poll ................................................................... 40
4.10.3 Guard Time ................................................................................................... 42
5 NFC-B Technology ...................................................................................... 43
5.1 Sequence Format ......................................................................................................... 43
5.1.1 Poll→Listen Modulation .............................................................................. 43
5.1.2 Listen→Poll Modulation .............................................................................. 44
5.1.3 Synchronization ............................................................................................ 45
5.1.4 Pattern Synchronization ................................................................................ 48
5.1.5 De-synchronization ....................................................................................... 48
5.2 Bit Level Coding ......................................................................................................... 50
5.2.1 Poll→Listen Coding Scheme ........................................................................ 50
5.2.2 Listen→Poll Coding Scheme ........................................................................ 50
5.3 Frame Format .............................................................................................................. 51
5.4 Data and Payload Format ............................................................................................ 51
5.5 Command Set .............................................................................................................. 52
5.6 ALLB_REQ and SENSB_REQ .................................................................................. 52
5.6.1 ALLB_REQ and SENSB_REQ Command .................................................. 52
5.6.2 SENSB_RES Response ................................................................................ 55
5.7 SLOT_MARKER ........................................................................................................ 62
5.7.1 SLOT_MARKER Command ........................................................................ 62
5.7.2 SLOT_MARKER Response ......................................................................... 63
5.8 SLPB_REQ ................................................................................................................. 63
5.8.1 SLPB_REQ Command ................................................................................. 63
5.8.2 SLPB_RES Response ................................................................................... 63
5.9 Timing Requirements .................................................................................................. 63
5.9.1 Frame Delay Time Poll→Listen ................................................................... 63
5.9.2 Frame Delay Time Listen→Poll ................................................................... 66
5.9.3 Guard Time ................................................................................................... 68
6 NFC-F Technology ....................................................................................... 70
6.1 Sequence Format ......................................................................................................... 70
6.1.1 Modulation .................................................................................................... 70
6.1.2 Synchronization ............................................................................................ 71
6.1.3 De-synchronization ....................................................................................... 73
6.2 Bit Level Coding ......................................................................................................... 73
6.3 Frame Format .............................................................................................................. 73
6.4 Data and Payload Format ............................................................................................ 74
6.5 Command Set .............................................................................................................. 75
6.6 SENSF_REQ ............................................................................................................... 75
6.6.1 SENSF_REQ Command ............................................................................... 75
6.6.2 SENSF_RES Response ................................................................................. 78
6.7 Timing Requirements .................................................................................................. 83
6.7.1 Frame Delay Time Poll→Listen ................................................................... 83
6.7.2 Frame Delay Time Listen→Poll ................................................................... 85
6.7.3 Guard Time ................................................................................................... 87
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7 Half-duplex Protocols ................................................................................. 88
8 Type 1 Tag Platform .................................................................................... 89
8.1 Sequence Format ......................................................................................................... 89
8.2 Bit Level Coding ......................................................................................................... 89
8.3 Frame Format .............................................................................................................. 89
8.4 Data and Payload Format ............................................................................................ 90
8.5 Command Set .............................................................................................................. 91
8.6 Read Identifier (RID) .................................................................................................. 92
8.6.1 RID Command .............................................................................................. 92
8.6.2 RID Response ............................................................................................... 93
8.7 Timing Requirements .................................................................................................. 93
8.7.1 Reader-Reader Data Delay ........................................................................... 93
8.7.2 Frame Delay Time ........................................................................................ 94
9 Type 2 Tag Platform .................................................................................... 96
9.1 Sequence Format ......................................................................................................... 96
9.2 Bit Level Coding ......................................................................................................... 96
9.3 Frame Format .............................................................................................................. 96
9.4 Data and Payload Format ............................................................................................ 97
9.5 Command Set .............................................................................................................. 98
9.6 READ .......................................................................................................................... 98
9.6.1 Command ...................................................................................................... 98
9.6.2 Response ....................................................................................................... 98
9.7 WRITE ........................................................................................................................ 99
9.7.1 Command ...................................................................................................... 99
9.7.2 Response ....................................................................................................... 99
9.8 SECTOR SELECT .................................................................................................... 100
9.8.1 SECTOR SELECT Command Packet 1 ..................................................... 100
9.8.2 SECTOR SELECT Command Packet 2 ..................................................... 100
9.8.3 Response ..................................................................................................... 100
9.9 Timing Requirements ................................................................................................ 102
10 Type 3 Tag Platform .................................................................................. 103
10.1 Sequence Format ....................................................................................................... 103
10.2 Bit Level Coding ....................................................................................................... 103
10.3 Frame Format ............................................................................................................ 103
10.4 Data and Payload Format .......................................................................................... 103
10.5 Command Set ............................................................................................................ 104
10.6 Timing Requirements ................................................................................................ 104
11 Type 4A Tag Platform ................................................................................ 106
11.1 Sequence Format ....................................................................................................... 106
11.2 Bit Level Coding ....................................................................................................... 106
11.3 Frame Format ............................................................................................................ 106
11.4 Data and Payload Format .......................................................................................... 106
11.5 Command Set ............................................................................................................ 107
11.6 Request for Answer to Select (RATS) ...................................................................... 107
11.6.1 RATS Command......................................................................................... 107
11.6.2 RATS Response (Answer To Select) .......................................................... 109
11.7 Timing Requirements ................................................................................................ 115
11.7.1 FWT ............................................................................................................ 115
