User's Manual

ACR122L
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USB
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ACS
Table 2.1-1d: Response Codes
Results SW1 SW2 Meaning
Success 90 00 The operation is completed successfully.
Warning 62 82 End of UID/ATS reached before Le bytes (Le
is greater than UID Length).
Error 6C XX Wrong length (wrong number Le: ‘XX’
encodes the exact number) if Le is less than
the available UID length.
Error 63 00 The operation is failed.
Error 6A 81 Function not supported
Examples:
// To get the serial number of the “connected PICC”
UINT8 GET_UID[5]={0xFF, 0xCA, 0x00, 0x00, 0x00};
// To get the ATS of the “connected ISO 14443 A PICC”
UINT8 GET_ATS[5]={0xFF, 0xCA, 0x01, 0x00, 0x00};
6.7. PICC Commands (T=CL Emulation) for MIFare 1K/4K MEMORY
Cards
6.7.1. Load Authentication Keys
The “Load Authentication Keys command” will load the authentication keys into the reader. The
authentication keys are used to authenticate the particular sector of the Mifare 1K/4K Memory Card. Two
kinds of authentication key locations are provided, volatile and non-volatile key locations respectively.
Table 2.1-1a: Load Authentication Keys APDU Format (11 Bytes)
Command Class INS P1 P2 Lc Data In
Load
Authentication
Keys
FF 82 Key
Structure
Key
Number
06 Key
(6 bytes)
Key Structure (1 Byte):
0x00 = Key is loaded into the reader volatile memory.
Other = Reserved.
Key Number (1 Byte):
0x00 ~ 0x01 = Key Location. The keys will be disappeared once the reader is disconnected from the PC.