ACR1251U-A User Manual V1.00.00 Document Name: ACR1251U-A User Manual.doc Prepared by: Reviewed by: Approved by: info@acs.com.hk Subject to change without prior notice www.acs.com.
Version History Date By Changes Version Vincent Zhong 2012-1-3 Lampard Ou First Release 1.00.00 Kit Au Page 2 of 13 ACR1251U-A2CNCA500 Document Title Here Design Specification Version 1.00.00 Document Title Here info@acs.com.hk www.acs.com.
Table of Contents 1.0. Introduction ............................................................................................................... 4 2.0. Features ..................................................................................................................... 5 3.0. Architecture ............................................................................................................... 6 4.0. Connection with computer ...........................................................
1.0. Introduction The ACR1251U is a dual-interface reader (IFD and PCD) that supports contact (SAM) and contactless (PICC) smart cards. Page 4 of 13 ACR1251U-A2CNCA500 Document Title Here Design Specification Version 1.00.00 Document Title Here info@acs.com.hk www.acs.com.
2.0. Features One standard SIM Size Connector. ISO 7816 Parts 1-4 Compliant for Contact Smart Card Interface. ISO 14443 Parts 1-4 Compliant for Contactless Smart Card Interface. A built-in antenna for PICC contactless access applications. The ACR1251U supports the following Tag Types: o MIFARE Classic. E.g. MIFARE 1K, 4K, MINI and Ultralight. o ISO14443-4 Type A and B. o FELICA、TOPAZ. T=CL emulation for MIFare 1K/4K PICCs.
3.0. Architecture AT90SCR is for main processor for communication with PC, and control the contactless chip, communication with SAM card and peripherals. PN512 act as a contactless chip to perform the communication between contactless tags and AT90SCR For communication architecture, the protocol between ACR1251U and PC is using CCID protocol.
4.0. Connection with computer 4.1. plug the ACR1251U-A to a computer USB port, and the red light will be flashing Page 7 of 13 ACR1251U-A2CNCA500 Document Title Here Design Specification Version 1.00.00 Document Title Here info@acs.com.hk www.acs.com.
4.2. the driver will be auto install after plugging the reader. You should see the red box below 4.3. When you put a contactless card on the reader, the green LED will be on. Page 8 of 13 ACR1251U-A2CNCA500 Document Title Here Design Specification Version 1.00.00 Document Title Here info@acs.com.hk www.acs.com.
4.4. The card ID can be checked by some card tool software, e.g. APDU.exe, the card ID is shown in the red box below Page 9 of 13 ACR1251U-A2CNCA500 Document Title Here Design Specification Version 1.00.00 Document Title Here info@acs.com.hk www.acs.com.
Appendix A. Parameter sheet Device ACR1251U Smart Card Reader/Writer Power supply Supply voltage................................ Regulated 5V DC Supply current ................................ <200mA (without smart card) Universal Serial Bus Interface Type ............................................... USB, four lines: +5V, GND, D+ and DConnector ...................................... supplied together with the reader Speed.............................................
Standard/Certifications CE, FCC EN300330 EN55022 & EN55024 EN55014 OS Windows 98, ME, 2K, XP, 7 OEM OEM-Logo Page 11 of 13 ACR1251U-A2CNCA500 Document Title Here Design Specification Version 1.00.00 Document Title Here info@acs.com.hk www.acs.com.
Appendix B.
Warning： Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
