User's Manual

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ACR1251U-A2CNCA500
Design Specification
Version 1.00.00
Page 5 of 13
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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. Multi-Blocks Transfer Mode is provided
for efficient PICC access.
 High Speed (424 kbps) Communication for PICCs. #Maximum 848 kbps.
 User-Controllable Peripherals. E.g. LED, Buzzer.
 Microsoft CCID Compliant for SAM interfaces.
 PCSC Compliant for Contact Interfaces.
 USB V2.0 Interface. (12M bps)
 Device Firmware Upgradeable through the USB Interface.