SCR331-DI Product Technical Manual
4.5.7.1.4 ISO7816_USER_CMD
Description
This APDU helps user to give any raw data to PICC. Type B Memory card and Specific command set
for both Type A and Type B cards (not as per ISO14443 standard) will use this APDU. The original
PICC command starts in Data field of APDU. PCD parses this APDU, and send command bytes in
Data field of APDU to card.
Format
Command
CLA INS
P1
P2
P3
Data
ISO7816_USER_CMD
0xFC
0xFE
RFU RFU Cmd Len Cmd
Explanation of the Parameters
Field
Value
Meaning
P3 Command
length
This parameter indicates the user defined or card specific command bytes
length
Data
Cmd
Card specific command/APDU
Response
Data
PICC’s return data
Status Words
SW1
SW2
Description
90 00
On success, NO ERROR, else error code is returned, see status words table
N
ote
This command returns card response data, since this command is not a specific command like
read/write commands.
Example
CLA
INS
P1
P2
P3
Data
0xFC
0xFE
0x00
0x00
0x01
0x60
IND.SCR331-DI.MANUAL.VER.1.8
VER1.8
Page 22 of 36