ACR122T – Application Programming Interface
Version 2.02
www.acs.com.hk
Page 2 of 45
Table of Contents
PICC Commands (T=CL Emulation) for Mifare Classic Memory Cards ............. 12
Basic Program Flow for Contactless Applications .............................................. 27
How to Access NFC Forum Type 1 Tags (ISO 18092), e.g. Jewel and Topaz Tags? ........ 31
ACR122T PC/SC Escape Command ......................................................... 34
APDU Command and Response Flow for ISO 14443-compliant Tags .. 37
APDU Command and Response Flow for ISO 18092-compliant Tags .. 38
Sample Codes for Setting the LED ........................................................... 41
List of Figures