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ST25TV02K 数据表(PDF) 44 Page - STMicroelectronics

部件名 ST25TV02K
功能描述  NFC Type 5 / RFID tag IC with up to 2-Kbit EEPROM, product identification and protection
PDF  90 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST25TV02K 数据表(HTML) 44 Page - STMicroelectronics

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Response parameter:
•
No parameter
Table 70. Lock AFI response format when Error_flag is set
Response SOF
Response_flags
Error code
CRC16
Response EOF
-
8 bits
8 bits
16 bits
-
Response parameter:
•
Error code as Error_flag is set
–
03h: command option is not supported
–
11h: the specified block is already locked and thus cannot be locked again
–
14h: the specified block was not successfully locked
Figure 18. Lock AFI frame exchange between VCD and ST25TV02K/512
SOF
Lock AFI
request
VCD
EOF
ST25TV02K/512
t1
SOF
Lock AFI
response
EOF
SOF
EOF
ST25TV02K/512
Wt
Lock sequence
when error
Lock AFI
response
6.4.14
Write DSFID
On receiving the Write DSFID request, the ST25TV02K/512 program the 8-bit DSFID value to its memory. When
the Option_flag is set, wait for EOF to respond.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the
ST25TV02K/512 may not write correctly the DSFID value in memory. The Wt time is equal to t1nom + N ×
302 µs (N is an integer).
Table 71. Write DSFID request format
Request SOF
Request_flags
Write DSFID
UID (1)
DSFID
CRC16
Request EOF
-
8 bits
29h
64 bits
8 bits
16 bits
-
1. The field is optional.
MS60271V1Request parameter:
•
Request flags
•
UID (optional)
•
DSFID
ST25TV02K ST25TV512
RF commands
DS12074 - Rev 11
page 44/90



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