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ST25DV64K 数据表(PDF) 180 Page - STMicroelectronics

部件名 ST25DV64K
功能描述  Dynamic NFC/RFID tag IC with 4-Kbit, 16-Kbit or 64-Kbit EEPROM, and fast transfer mode capability
PDF  200 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST25DV64K 数据表(HTML) 180 Page - STMicroelectronics

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B.7
I2C password relative sequences
B.7.1
I2C write password
Table 295. Write Password when I2C security session is already open and fast transfer mode is not
activated
Request/Response Frame
Comment
Master drives SDA
Slave drives SDA
Start AEh
-
Device select for writing
-
ACK
9th bit
09h
-
Send I2C_PWD MSB address
-
ACK
9th bit
00h
-
Send I2C_PWD LSB address
-
ACK
9th bit
I2C_PWD_BYTE_7
-
Send I2C_PWD MSB
-
ACK
9th bit
I2C_PWD_BYTE_6
DATA 0
Send Data
-
ACK
9th bit
...
-
...
-
...
...
I2C_PWD_BYTE_0
-
Send I2C_PWD LSB
-
ACK
9th bit
07h
-
Write password command
-
ACK
9th bit
I2C_PWD_BYTE_7
-
Send I2C_PWD MSB
-
ACK
9th bit
I2C_PWD_BYTE_6
DATA 0
Send Data
-
ACK
9th bit
...
-
...
-
...
...
I2C_PWD_BYTE_0
-
Send I2C_PWD LSB
-
ACK
9th bit
Stop
-
Start of I2C password programming
ST25DV04K ST25DV16K ST25DV64K
I2C password relative sequences
DS10925 - Rev 9
page 180/200



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