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ST25TA64K 데이터시트(PDF) 20 Page - STMicroelectronics

부품명 ST25TA64K
상세설명  NFC Forum Type 4 Tag IC with 64-Kbit EEPROM
PDF  45 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25TA64K 데이터시트(HTML) 20 Page - STMicroelectronics

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RF command sets
ST25TA64K
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DocID027764 Rev 1
5.3
R-Block format
The R-Block is used to convey positive or negative acknowledgment between the RF host
and the ST25TA64K.
There are two kinds of R-Blocks:
•
R(ACK): the acknowledgement block sent by the RF host or by the ST25TA64K
•
R(NAK): the non-acknowledgement block sent by the RF host or by the ST25TA64K
Table 13. R-Block format
PCB
CRC
R(ACK) without the DID field: 0xA2 or 0xA3
R(ACK) with the DID field: 0xAA or 0xAB
R(NAK) without the DID field: 0xB2 0xB3
R(NAK) with the DID field: 0xBA 0xBB
2 CRC bytes
Table 14. R-Block detailed format
b7-b6
b5
b4
b3
b2
b1
b0
0b10
1
X
X
0
0
X
R-Block
RFU
0: NAK
1: ACK
0: DID field is not present
1: DID field is present
Must be set to 0
RFU
Block number



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