
SCM3712 REFERENCE MANUAL 50
8.4. MIFARE DESFire commands
MIFARE DESFire native commands can be mapped onto case 4 APDU as described hereunder:
code
data field
command
parameters
The response from a DESFire user token will be mapped as follow
0xYY is the DESFire native status byte as described in NXP documentation.
Note: In the past SCM Microsystems had its own proprietary APDU for handling DESFire cards that
was implemented on SCL010 and SDI010 products. For backwards compatibility reasons it is still
supported but SCM recommends using the above mapping method for any new integration
development.
8.5. SCM Microsystems specific APDU set
8.5.1. Commands for communicating with NFC Forum Tags Type 1
Commands for Static and Dynamic Memory Models
• Read Identification (RID)
• Read All Blocks 0 – Eh (RALL)
• Read Byte (READ)
Commands for Dynamic Memory Model
• Read Segment (RSEG)
• Read 8 Bytes (READ8)
• Write-No-Erase 8 Bytes (WRITE-NE8)
8.5.1.1. Read Identification (RID)
Description
This command is used to retrieve the tag’s unique identifier.
Format
Response
HR0 HR1 UID0 UID1 UID2 UID3 0x90 0x00
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