
Version 1.08 www.acs.com.hk
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Table of Contents
1.0. Introduction ...............................................................................................................6
2.0. Features .....................................................................................................................7
3.0. ACR1281U-C1 Architecture......................................................................................9
3.1. Reader Block Diagram...........................................................................................................9
3.2. Communication between PC/SC driver and ICC, PICC and SAM........................................9
4.0. Hardware Design.....................................................................................................10
4.1. USB......................................................................................................................................10
4.1.1. Communication Parameters .......................................................................................10
4.1.2. Endpoints....................................................................................................................10
4.2. Contact Smart Card Interface..............................................................................................10
4.2.1. Smart Card Power Supply VCC (C1)..........................................................................10
4.2.2. Card Type Selection....................................................................................................10
4.2.3. Interface for Microcontroller-based Cards ..................................................................11
4.3. Contactless Smart Card Interface .......................................................................................11
4.3.1. Carrier Frequency.......................................................................................................11
4.3.2. Card Polling.................................................................................................................11
4.4. User Interface ......................................................................................................................11
4.4.1. Buzzer.........................................................................................................................11
4.4.2. LED .............................................................................................................................11
5.0. Software Design......................................................................................................12
5.1. Contact Smart Card Protocol...............................................................................................12
5.1.1. Memory Card – 1/2/4/8/16 kilobits I2C Card...............................................................12
5.1.2. Memory Card – 32/64/128/256/512/1024 kbits I2C Card...........................................15
5.1.3. Memory Card – ATMEL AT88SC153..........................................................................18
5.1.4. Memory Card – ATMEL AT88SC1608........................................................................22
5.1.5. Memory Card – SLE4418/SLE4428/SLE5518/SLE5528............................................26
5.1.6. Memory Card – SLE4432/SLE4442/SLE5532/SLE5542............................................31
5.1.7. Memory Card – SLE4406/SLE4436/SLE5536/SLE6636............................................37
5.1.8. Memory Card – SLE4404 ...........................................................................................42
5.1.9. Memory Card – AT88SC101/AT88SC102/AT88SC1003...........................................46
5.2. Contactless Smart Card Protocol........................................................................................54
5.2.1. ATR Generation..........................................................................................................54
5.2.2. ATR Format for ISO 14443 Part 3 PICCs...................................................................54
5.2.3. ATR Format for ISO 14443 Part 4 PICCs...................................................................56
5.2.4. Pseudo APDUs for Contactless Interface...................................................................57
5.3. Peripherals Control..............................................................................................................69
5.3.1. Get firmware version...................................................................................................69
5.3.2. LED Control.................................................................................................................70
5.3.3. LED Status..................................................................................................................71
5.3.4. Buzzer Control ............................................................................................................72
5.3.5. Set default LED and buzzer behaviors .......................................................................73
5.3.6. Read default LED and buzzer behaviors....................................................................74
5.3.7. Initialize cards insertion counter..................................................................................75
5.3.8. Read cards insertion counter......................................................................................76
5.3.9. Update cards insertion counter...................................................................................77
5.3.10. Set automatic PICC polling.........................................................................................78
5.3.11. Read automatic PICC polling......................................................................................80
5.3.12. Manual PICC polling ...................................................................................................81
5.3.13. Set PICC operating parameter....................................................................................82
5.3.14. Read PICC operating parameter ................................................................................83
5.3.15. Set exclusive mode.....................................................................................................84
5.3.16. Read exclusive mode..................................................................................................85
5.3.17. Set auto PPS...............................................................................................................86