User manual

SCM3712 REFERENCE MANUAL 40

8.1.4. PASS_THROUGH command

8.1.4.1. Description

This command can be used to send raw data to the user token.SCM3712 will not add transport

protocol data to the raw data – e.g. PCB, NAD, CID etc.

8.1.4.2. Format

CLA

INS

Data

0xFF

0xEF

0x00

Lraw_data

Raw_data

8.1.4.3. Response

Output buffer

PICC response data

8.1.4.4. Status Words

8.1.4.5. Example

This command can be used to send commands to a MIFARE Ultralight C

The command for generating an 8-byte random number on MIFARE Ultralight C is 0x1A 0x00:

Sending the APDU 0xFF 0xEF 0x00 0x00 0x02 0x1A 0x00

Will return 0xAF followed by 8 byte random number