User's Manual

AET62 Design Specification
Version 1.0 8-DEC-09
Page
11
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18
AET62
5.1. PSEUDO APDUS IN CONTACTLESS READER
PCSC interface is used for exchanging APDUs and Responses between the PC and Tag. The AET62
will handle the required protocol internally. AET62 comes with two primitive commands for this
purpose.
5.1.1. Direct Transmit
To send an APDU (PN532 and Contactless Commands), and the length of the Response Data will be
returned.
Table 1.0A: Direct Transmit Command Format (Length of the PN532_Contactless Command + 5
Bytes)
Command Class INS P1 P2 Lc Data In
Direct
Transmit
0xFF 0x00 0x00 0x00 Number
of Bytes
to send
PN532_Contactless
Command
Lc: Number of Bytes to Send (1 Byte)
Maximum 255 bytes
Data In: PN532_Contactless Command
The data to be sent to the PN532 and Contactless Tag.
Table 1.0B: Direct Transmit Response Format (2 Bytes)
Response Data Out
Result SW1 SW2
Data Out: SW1 SW2
Status Code returned by the reader.