Advanced Card ACR122S, User Manual

Page: 2 / 57

ACR122S – Communication Protocol
info@acs.com.hk
Version 2.01
www.acs.com.hk
Page 2 of 57
Table of Contents
1.0. Introduction ............................................................................................................... 4
2.0. Features ..................................................................................................................... 5
2.1. Serial Interface ....................................................................................................................... 5
2.2. Bi-color LED ........................................................................................................................... 5
2.3. Buzzer .................................................................................................................................... 6
2.4. SAM Interface ........................................................................................................................ 6
2.5. Built-in Antenna ..................................................................................................................... 6
3.0. Communication between the host and contactless interface, SAM and
peripherals ............................................................................................................................. 7
4.0. Serial Interface (CCID-like Frame Format) .............................................................. 8
4.1. Protocol Flow Examples ........................................................................................................ 9
5.0. SAM Interface .......................................................................................................... 11
5.1. Activating the SAM interface................................................................................................ 11
5.2. Deactivating the SAM interface ........................................................................................... 12
5.3. Exchanging data through the SAM interface ....................................................................... 13
6.0. Pseudo-APDUs for contactless interface and peripherals control .................... 15
6.1. Direct Transmit .................................................................................................................... 15
6.2. Change Communication Speed ........................................................................................... 18
6.3. Get Firmware Version .......................................................................................................... 22
6.4. Bi-color LED and Buzzer Control ......................................................................................... 23
6.5. Topaz512 and Jewel96 ........................................................................................................ 28
6.6. Basic program flow for ISO 14443-4 Type A and B tags ..................................................... 35
6.7. Basic program flow for Mifare applications .......................................................................... 37
6.7.1. Handling the value blocks of Mifare 1K/4K tag? ......................................................... 39
6.7.2. Accessing Mifare Ultralight tags .................................................................................. 42
6.7.3. Accessing Mifare Ultralight C tag ................................................................................ 44
6.8. Basic program flow for FeliCa applications ......................................................................... 49
6.9. Basic program flow for NFC Forum Type 1 tag applications ............................................... 49
Appendix A. Topaz ........................................................................................................... 51
Appendix B. Topaz512 ..................................................................................................... 52
Appendix C. Jewel64 ........................................................................................................ 54
Appendix D. Jewel96 ........................................................................................................ 55
Appendix E. ACR122 Error Codes .................................................................................. 56
List of Figures
Figure 1 : ACR122S Communication Flowchart .................................................................................... 7
Figure 2 : Tag Address “ADD” .............................................................................................................. 33
Figure 3
: Tag Address “ADD8” ............................................................................................................ 34