User's Manual

ACR1281S
 Advanced Card Systems Ltd. Page 10 of 56
SYSTEM DESCRIPTION
1. The Reader Block Diagram
AT90SCR100H
Host Controller
LED & Buzzer
PC
Operation
System
Serial
USB
Firmware
Upgrade
RC531
NFC Interface
Chip
S P I
Built-In
Antenna
PICC
Contactless Card
Contactless Interface
Carrier = 13.56MHz
ISO7816 Interface
ICC
Contact Card