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ST25TA02K датащи(PDF) 39 Page - STMicroelectronics

номер детали ST25TA02K
подробное описание детали  NFC Forum Type 4 Tag IC with 2-Kbit EEPROM
PDF  50 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25TA02K датащи(HTML) 39 Page - STMicroelectronics

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ST25TA02K
RF command sets
47
5.9.2
RATS command and ATS response
RATS command and ATS response are used for NFC Forum Type 4A Tag Platform Device
Activation (as defined in NFC Forum Digital Protocol specification).
Table 48 details the RATS command. This command shall be sent after the anticollision
process.
The FSDI field codes the FSD that defines the maximum size that an RF host is able to
receive. Table 49 gives the conversion from FDSI to FSD.
The DID field defines the value of the addressed ST25TA02K.
SEL_REQ 1
93 70 CT
uid1 uid2
uid3 BBC
NVB 70
(cmd NVB Uid lower bytes)
CT Cascade Tag “0x88”
SAK & CRC
04 DAD7
UID Not complete
SDD_REQ 2
95 20
NVB 20
Number Valid bit
(2 bytes Code & NVB)
-
uid4 uid5
uid6 uid7
BCC
(UID 7bytes)
BCC Block Check
Character
(XOR previous Bytes)
SEL_REQ 1
95 70
uid4 uid5
uid6 uid7
BBC
NVB 70
(cmd NVB Uid Upper
bytes)
SAK & CRC
20 FC70
UID complete
Table 47. Example of anticollision sequence (continued)
Command
Code
Comment
Response
Code
Comment
Table 48. RATS command
Name
INS
Param
CRC
Byte field
0xE0
1 byte
2 bytes
Bit field
-
b7-b4
b3-b0
-
Instruction code
FSDI
DID (0
≤ DID ≤ 14)
2 CRC bytes
Table 49. Conversion from FDSI to FSD
FSDI
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9h-
0xE
0xF
FSD
16
24
32
40
48
64
96
128
256
RFU
256



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