ACM1252U-Y3
– Reference Manual
Version 1.03
www.acs.com.hk
Page 79 of 92
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.hk
Byte Number
0
1
2
3
Byte Address
access by USB
Serial Number
SN0
SN1
SN2
BCC0
Nil
Serial Number
SN3
SN4
SN5
SN6
Nil
Internal/Lock
BCC1
Internal
Lock0
Lock1
Nil
Data read/write
Data0
Data1
Data2
Data3
0-3
Data read/write
Data4
Data5
Data6
Data7
4-7
Data read/write
Data8
Data9
Data10
Data11
8-11
Data read/write
Data12
Data13
Data14
Data15
12-15
Data read/write
Data16
Data17
Data18
Data19
16-19
Data read/write
Data20
Data21
Data22
Data23
20-23
Data read/write
Data24
Data25
Data26
Data27
24-27
Data read/write
Data28
Data29
Data30
Data31
28-31
Data read/write
Data32
Data33
Data34
Data35
32-35
Data read/write
Data36
Data37
Data38
Data39
36-39
Data read/write
Data40
Data41
Data42
Data43
40-43
Data read/write
Data44
Data45
Data46
Data47
44-47
Data read/write
Data48
Data49
Data50
Data51
48-51
Table 5
: MIFARE® Ultralight® Memory Map (52 bytes)
Where:
Default SN[0-6]
{04h, 96h, 50h, 01h, F4h, 02h, 80h}
Default Data[0-3]
{E1h, 10h, 06h, 00h} //NFC Type2Tag
Accessible
area
(52 bytes)