User's Manual

<ACR122T> <Feasibility Study>
Version <1.00> <31/03/2009>
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ACR122
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Table of Contents
1.0. Introduction ................................................................................................................. 4
2.0. Feature ......................................................................................................................... 5
3.0. Hardware Interfaces ................................................................................................... 6
3.1. USB Interface ...............................................................................................................................6
3.2. Bi-Color LED ................................................................................................................................6
3.3. Built-in Antenna ............................................................................................................................6
4.0. Chips Selection........................................................................................................... 7
5.0. Implemenation............................................................................................................. 8
5.1. The ACR122T is built based on the AC1038 and PN5321 chips. ...............................................8
5.2. Communication between the Host and the Contactless interface and Peripherals.....................9
6.0. Software Interface..................................................................................................... 10