User's Manual

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ACR122U NFC Reader
1.0 Introduction
The ACR122 is a PC-linked Contactless Smart Card Reader/Writer developed on the 13.56MHz
Contactless Technology. This device is designed to support not only MiFare and ISO14443 Type A and
B Cards but also FeliCa and NFC tags.
This reader follows the CCID Standard which allows Windows Operating Systems to use the Microsoft
CCID drivers. However, Advanced Card Systems Ltd (ACS) also provides WHQL drivers which can be
installed in your machine. Read and write operations to contactless tags are also faster and more
efficient since the device makes use of a high-speed card access and a full USB speed of 12 Mbps.
The ACR122 NFC Reader SDK provides the user sample applications, sample codes, and tools and
utilities that can be used to experience the features and capabilities of the ACR122. This manual gives
the summary on how to install the SDK and what can be found in the SDK.
Together with its compact size, trendy design, and various features, the ACR122 offers users a different
experience of convenience by using it for applications such as payment, mass transit, physical access
control, time attendance, etc.
1.1 Typical Applications
• Network access control
• Micro-payment
• NFC mobile tag
• Public Transportation Terminals
• Automatic Fare Collection
• Physical access control
• Customer Loyalty
• Time attendance
• Contactless public phones
• Vending machines
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ACR122U NFC Reader SDK User Manual
Version 1.7 October 2008
Vending machines
efficient since the device makes use of a high-speed card access and a full USB speed of 12 Mbps. This device complies with part 15 of the FCC Rules. Operation is subject to the following two condition:
This device complies with part 15 of the FCC Rules. Operation is subject to the following two condition:
1)May not cause harmful interference, and 2) this device must accept any interference received, including
This device complies with part 15 of the FCC Rules. Operation is subject to the following condition:
May not cause harmful interference, and this device must accept any interference received, including
1)May not cause harmful interference, and 2) this device must accept any interference received, including
This device complies with part 15 of the FCC Rules. Operation is subject to the following condition:interference that may cause undesired operation.
This device complies with part 15 of the FCC Rules. Operation is subject to the following condition:Changes or modifications not expressly approved by the party responsible for compliance could
This device complies with part 15 of the FCC Rules. Operation is subject to the following condition:void the user's authority to operate the equipment.