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ACR122L

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USB

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ACS

Serial Number SN3 SN4 SN5 SN6 1

Internal / Lock BCC1 Internal Lock0 Lock1 2

OTP OPT0 OPT1 OTP2 OTP3 3

Data read/write Data0 Data1 Data2 Data3 4

Data read/write Data4 Data5 Data6 Data7 5

Data read/write Data8 Data9 Data10 Data11 6

Data read/write Data12 Data13 Data14 Data15 7

Data read/write Data16 Data17 Data18 Data19 8

Data read/write Data20 Data21 Data22 Data23 9

Data read/write Data24 Data25 Data26 Data27 10

Data read/write Data28 Data29 Data30 Data31 11

Data read/write Data32 Data33 Data34 Data35 12

Data read/write Data36 Data37 Data38 Data39 13

Data read/write Data40 Data41 Data42 Data43 14

Data read/write Data44 Data45 Data46 Data47 15

512 bits

Or

64 bytes