ACS ACM1252U-Y3 Reference Manual page 32

3. ISO14443-4A Active.
Command: FF C2 00 02 04 8F 02 00 04
Response: C0 03 01 64 01 90 00 (if no card present)
4. Set the PCB to 0Ah and enable the CRC, parity and protocol prologue in the transmit data.
Command: FF C2 00 01 0A 90 02 00 00 FF 6E 03 07 01 0A
Response: C0 03 00 90 00 90 00
ACM1252U-Y3 – Reference Manual
Version 1.03
C0 03 00 90 00 5F 51 [ATR] 90 00
Page 32 of 92
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