ACS ACR1255U-J1, Reference Manual

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ACR1255U-J1 – Reference Manual
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Page 40 of 73
6.3. Pseudo APDU for Contactless Interface
6.3.1. Get Data
This command returns the serial number or ATS of the “connected PICC”.
Get UID APDU Format (5 bytes)
Command Class INS P1 P2 Le
Get Data FFh CAh 00h 01h 00h
00h
(Max. Length)
If P1 = 00h, Get UID Response Format (UID + 2 bytes)
Response Data Out
Result
UID
(LSB)
… …
UID
(MSB)
SW1 SW2
If P1 = 01h, Get ATS of a ISO 14443 A card (ATS + 2 bytes)
Response Data Out
Result ATS SW1 SW2
Response Codes
Results SW1 SW2 Meaning
Success 90h 00h The operation is completed successfully.
Warning 62h 82h
End of UID/ATS reached before Le bytes (Le
is greater than UID Length).
Error 6Ch
XX h
Wrong length (wrong number Le: ‘ XX ’
encodes the exact number) if Le is less than
the available UID length.
Error 63h 00h The operation is failed.
Error 6Ah 81h Function not supported
Examples:
To get the serial number of the “connected PICC”:
UINT8 GET_UID[5] = {FF, CA, 00, 00, 00};
To get the ATS of the “connected ISO 14443 A PICC”:
UINT8 GET_ATS[5] = {FF, CA, 01, 00, 00};