ACS AET62 NFC Reader with Fingerprint Sensor - Manual (Page 31)

Appendix B. APDU Command and Response Flow
for ISO 14443-Compliant Tags
Assume an ISO14443-4 Type B tag is used.
<< Typical APDU Command and Response Flow >>
PC
Sequences
Reader
USB Interface
(12Mbps)
Tag
RF Interface
(13.56MHz)
1. The
command is
sent
Contactless
Related
Command
[APDU
Command]
e.g. [00 84
00 00 08]
(Get
Challenge)
Tag-specific
Command
Frame
[APDU
Command]
embedded in
ISO14443
Frame
2. The
response is
received
Contactless
Related
Response
[APDU
Response]
e.g. [11 22
33 44 55 66
77 88] (90
00)
Tag-specific
Response
Frame
[APDU
Response]
embedded in
ISO14443
Frame
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