User's Manual

ACR1281S
Advanced Card Systems Ltd. Page 11 of 56
2. Communication Flow Chart of ACR1281S
PCSC Layer
ISO 7816 Part1-4
ICC Interface
T=CL &T=1
Emulation
ISO 14443 Part1-4
PICC Interface
ICC
(Landing Type
Acceptor )
PICC
(Built-In Antenna )
ACR1281S
ACR128U PCSC
ICC Interface
ACR128U PCSC
PICC Interface
Serial
Interface
(CCID
liked
Format)
Physical
Interface
ICC
And
PICC
Host