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ST25TV512 데이터시트(PDF) 52 Page - STMicroelectronics

부품명 ST25TV512
상세설명  NFC Type 5 / RFID tag IC with up to 2-Kbit EEPROM, product identification and protection
PDF  90 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25TV512 데이터시트(HTML) 52 Page - STMicroelectronics

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Table 91. Write Password response format when Error_flag is NOT set
Response SOF
Response_flags
CRC16
Response EOF
-
8 bits
16 bits
-
Response parameter:
•
no parameter.
Table 92. Write Password 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:
–
02h: command not recognized
–
03h: command option not supported
–
10h: the password number is incorrect
–
12h: update right not granted, Present Password command not previously executed or password
locked
–
14h: block was not successfully programmed
Figure 25. Write Password frame exchange between VCD and ST25TV02K/512
SOF
Write
Password
request
VCD
EOF
ST25TV02K/512
t1
SOF
Write
Password
response
EOF
SOF
EOF
ST25TV02K/512
Wt
Write sequence
when error
Write
Password
response
6.4.21
Present Password
On receiving the Present Password command, the ST25TV02K/512 compare the requested password with
the data contained in the request and report if the operation has been successful in the response. Refer to
Section 5.2 Data protection for details on password management. After a successful command, the security
session associated to the password is open as described in Section 5.2 Data protection.
Table 93. Present Password request format
Request
SOF
Request_flags
Present
Password
IC Mfg
code
UID (1)
Password
number
Password
CRC16
Request
EOF
-
8 bits
B3h
02h
64 bits 8 bits
32 or 64 bits 16 bits
-
1. The field is optional.
Request parameters:
ST25TV02K ST25TV512
RF commands
DS12074 - Rev 11
page 52/90



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