User's Manual

ACR122U User Manual [e-mail]
Version 1.01 www.acs.com.hk
Page 4 of 13
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2.0. Features
 ISO 14443 Parts 1-4 Compliant for Contactless Smart Card Interface.
 ISO 18092 Compliant for Contactless Smart Card Interface.
 An external antenna for PICC contactless access applications.
 Supports the following Tag Types:
o MIFARE Classic. E.g. MIFARE 1K, 4K, MINI and Ultralight.
o ISO14443-4 Type A and B.
o ISO18092 FeliCa, NFC tag
 T=CL emulation for MIFare 1K/4K PICCs
 High Speed (424 kbps) Communication for PICCs
 Energy saving modes for turning off the antenna field whenever the PICC is inactive,
or no PICC is found. It prevents the PICC from exposing to the field all the time.
 User-Controllable Peripherals. E.g. LED.
 PCSC Compliant for Contact and Contactless Interfaces.
 USB V2.0 Interface. (12M bps)
 Device Firmware Upgradeable through the USB Interface.