Advanced Card Systems Limited ACR1251T 사용자 설명서
ACR1251T User Manual
info@acs.com.hk
Version 1.00
www.acs.com.hk
Page 5 of 12
www.acs.com
.hk
3.0. Architecture
AT90SCR is for main processor for communication with PC, and control the contactless chip and
peripherals. PN512 acts as a contactless chip to perform the communication between contactless
tags and AT90SCR.
peripherals. PN512 acts as a contactless chip to perform the communication between contactless
tags and AT90SCR.
For communication architecture, the protocol between ACR1251T and PC is using CCID protocol. All
the communication between PICC is PCSC Compliant.
the communication between PICC is PCSC Compliant.
ACR1251T
Antenna
AT90SCR200H Host
Controller
LEDs
PN512
NFC
Interface
chip
PC
Operation
System
PICC
Contactless
Tag
Contactless Interface
Carrier Frequency = 13.56MHz
Carrier Frequency = 13.56MHz