Advanced Card Systems Limited ACR122T Manuel D’Utilisation
<ACR122T> <Feasibility Study>
Version <1.00>
Version <1.00>
<31/03/2009>
Page 9 of 10
<ACR122T>
5.2. Communication between the Host and the Contactless
interface and Peripherals.
The Contactless interface & Peripherals are accessed through the use of HID Command Pattern.
USB
Interface
(HID protocol)
ACR122T
RF
Interface
Interface
Contactless
Interface
Contactless Tag
(Built-In Antenna)
Host
NON-PCSC Layer
1) Peripherals
2) Bi-Color LED