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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