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ST25TV02K 数据表(PDF) 45 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) 45 Page - STMicroelectronics

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Table 72. Write DSFID response format when Error_flag is NOT set
Response SOF
Response_flags
CRC16
Response EOF
-
8 bits
16 bits
-
Response parameter:
•
No parameter
Table 73. Write DSFID 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
–
12h: the specified block is locked and its contents cannot be changed
–
13h: the specified block was not successfully programmed
Figure 19. Write DSFID frame exchange between VCD and ST25TV02K/512
SOF
Write DSFID
request
VCD
EOF
ST25TV02K-512
t1
SOF
Write DSFID
response
EOF
SOF
EOF
ST25TV02K-512
Wt
Write sequence
when error
Write DSFID
response
6.4.15
Lock DSFID
On receiving the Lock DSFID request, the ST25TV02K/512 lock the DSFID value permanently. 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 lock correctly the DSFID value in memory. The Wt time is equal to t1nom + N × 302 µs
(N is an integer).
Table 74. Lock DSFID request format
Request SOF
Request_flags
Lock DSFID
UID (1)
CRC16
Request EOF
-
8 bits
2Ah
64 bits
16 bits
-
1. The field is optional.
Request parameter:
•
Request flags
•
UID (optional)
ST25TV02K ST25TV512
RF commands
DS12074 - Rev 11
page 45/90



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