User's Manual

ACR122L
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USB
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ACS
// To get the version of the DESFIRE card.
Step 1: Send an APDU {90 60 00 00 00} to get the first frame. INS=0x60
Answer: 04 01 01 01 00 1A 05 91 AF[$91AF]
Step 2: Send an APDU {90 AF 00 00 00} to get the second frame. INS=0xAF
Answer: 04 01 01 01 00 1A 05 91 AF[$91AF]
Step 3: Send an APDU {90 AF 00 00 00} to get the last frame. INS=0xAF
Answer: 04 2C 46 71 E6 23 80 CD 64 51 65 60 50 07 91 00[$9100]
Example 3: DESFIRE Native Command.
// We can send Native DESFire Commands to the reader without ISO7816 wrapping if we find that the
Native DESFire Commands are more easier to handle.
// To read 8 bytes random number from an ISO 14443-4 Type A PICC (DESFIRE)
APDU = {0A 00}
Answer: AF 53 44 D1 69 4C 20 B6 2B[$B62B]
In which, the first byte “AF” is the status code returned by the DESFire Card.
The Data inside the blanket [$B62B] can simply be ignored by the application.
Example 4: DESFIRE Frame Level Chaining (Native Mode)
// In this example, the application has to do the “Frame Level Chaining”.