User's Manual

SCL010/01X REFERENCE MANUAL 40
6.3.2. T=CL user command
Description
This command can be used to send raw data to the user token.
6.3.2.1. Format
CLA INS P1 P2 P3 Data
0xFF 0xFE 0x00 0x00 Lraw_data Raw_data
6.3.2.2. Response
Data Out
PICC response data+ SW1 + SW2
6.3.2.3. Status Words
SW1 SW2 Description
User should refer to the status words defined by the PICC manufacturer for a description of the
status words
6.3.2.4. Example
Let’s consider the Select command defined in ISO7816-4. This command being ISO can be sent
to the user token in 2 different way:
 Using the T=CL command
 Using the T=CL user command
Here are the 2 answers for the select command:
The T=CL command is nevertheless more useful for sending commands which are not defined in
ISO7816.