Table of Contents
1.0. Introduction ...............................................................................................................4
2.0. Features .....................................................................................................................5
3.0. Smart Card Support..................................................................................................6
3.1. MCU Cards............................................................................................................................6
3.2. Memory-based Smart Cards..................................................................................................6
4.0. Smart Card Interface.................................................................................................7
4.1. Smart Card Power Supply VCC (C1) ....................................................................................7
4.2. Programming Voltage VPP (C6)............................................................................................7
4.3. Card Type Selection ..............................................................................................................7
4.4. Interface for Microcontroller-based Cards .............................................................................7
4.5. Card Tearing Protection.........................................................................................................7
5.0. Power Supply ............................................................................................................8
5.1. Status LED.............................................................................................................................8
6.0. USB Interface............................................................................................................. 9
6.1. Communication Parameters ..................................................................................................9
6.2. Endpoints...............................................................................................................................9
7.0. Communication Protocol .......................................................................................10
7.1. ACR38 FW1.12c Communication Protocol .........................................................................10
7.2. ACR38 FW1.10 Communication Protocol ...........................................................................11
7.2.1. Command to ACR38...................................................................................................11
7.2.2. Response from ACR38...............................................................................................11
7.2.3. Card Status Message..................................................................................................12
8.0. ACR38 FW1.12c Commands .................................................................................. 13
8.1.1. CCID Command Pipe Bulk-OUT Messages...............................................................13
8.1.2. CCID Bulk-IN Messages.............................................................................................16
8.1.3. Commands Accessed via PC_to_RDR_XfrBlock.......................................................17
9.0. ACR38 FW1.10 Commands .................................................................................... 19
9.1. Control Commands..............................................................................................................19
9.1.1. GET_ACR_STAT........................................................................................................19
9.1.2. SELECT_CARD_TYPE ..............................................................................................20
9.1.3. SET_OPTION .............................................................................................................20
9.1.4. SET_CARD_PPS........................................................................................................21
9.1.5. SET_READER_PPS...................................................................................................21
9.2. MCU Card Commands ........................................................................................................22
9.2.1. RESET_WITH_5_VOLTS_DEFAULT.........................................................................22
9.2.2. RESET_WITH_SPECIFIC_VOLTAGE.......................................................................22
9.2.3. POWER_OFF .............................................................................................................23
9.2.4. EXCHANGE_TPDU_T0..............................................................................................23
9.2.5. EXCHANGE_TPDU_T1..............................................................................................24
Appendix A. ACR38 FW1.12c.......................................................................................... 25
Appendix A.1. Supported Card Types............................................................................25
Appendix A.2. Response Error Codes ...........................................................................25
Appendix B. ACR38 FW1.10............................................................................................ 26
Appendix B.1. Supported Card Types............................................................................26
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ACR38 Reference Manual
Version 5.0
Page 2 of 26
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