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SRI4K Folha de dados(PDF) 36 Page - STMicroelectronics

Nome de Peças SRI4K
Descrição Electrónicos  13.56 MHz short-range contactless memory chip with 4096-bit EEPROM and anticollision functions
PDF  45 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SRI4K Folha de dados(HTML) 36 Page - STMicroelectronics

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SRI4K commands
SRI4K
36/45
Unique identifier (UID)
Members of the SRI4K family are uniquely identified by a 64-bit unique identifier (UID). This
is used for addressing each SRI4K device uniquely after the anticollision loop. The UID
complies with ISO/IEC 15963 and ISO/IEC 7816-6. It is a read-only code, and comprises
(as summarized in Figure 49):
●
an 8-bit prefix, with the most significant bits set to D0h
●
an 8-bit IC manufacturer code (ISO/IEC 7816-6/AM1) set to 02h (for
STMicroelectronics)
●
a 6-bit IC code set to 00 0111b = 7d for SRI4K
●
a 42-bit unique serial number
Figure 49.
64-bit unique identifier of the SRI4K
Figure 50.
Get_UID frame exchange between reader and SRI4K
8.10
Power-on state
After power-on, the SRI4K is in the following state:
●
It is in the low-power state.
●
It is in Ready state.
●
It shows highest impedance with respect to the reader antenna field.
●
It will not respond to any command except Initiate().
AI14081
D0h
Unique Serial Number
02h
63
55
47
0
Most significant bits
Least significant bits
41
7d
S
O
F
CRCL CRCH
E
O
F
AI10892b
Reader
SRI4K
<-t0-><-t1->
S
O
F
CRCL CRCH
E
O
F
0Bh
UID
1
UID
2
UID
3
UID
4
UID
0
UID
5
UID
6
UID
7



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