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ST25DV64KC Scheda tecnica(PDF) 137 Page - STMicroelectronics

Il numero della parte ST25DV64KC
Spiegazioni elettronici  Dynamic NFC/RFID tag IC with 4-Kbit, 16-Kbit or 64-Kbit EEPROM, fast transfer mode capability and optimized I2C
PDF  203 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV64KC Scheda tecnica(HTML) 137 Page - STMicroelectronics

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Response parameter:
•
Error code as Error_flag is set:
–
02h: command option not recognized
–
03h: command not supported
–
0Fh: error with no information given
Figure 77. Fast Read Message Length frame exchange between VCD and ST25DVxxKC
SOF
Fast Read
Message Length
request
VCD
ST25DVxxKC
EOF
SOF
Fast Read
Message Length
response
EOF
t1
7.6.43
Fast Read Dynamic configuration
On receiving the Fast Read Dynamic configuration command, the ST25DVxxKC reads the Dynamic register
address by the pointer and sends back its 8-bit value in the response.
The Option_flag is not supported. The Inventory_flag must be set to 0.
The subcarrier_flag should be set to 0, otherwise the ST25DVxxKC answers with an error code.
The data rate of the response is multiplied by 2 compared to Read Dynamic configuration command.
Table 238. Fast Read Dynamic configuration request format
Request SOF Request_flags
Fast Read Dynamic
configuration
IC Mfg code UID (1) Pointer address CRC16 Request EOF
-
8 bits
CDh
02h
64 bits 8 bits
16 bits
-
1. This field is optional.
Request parameters:
•
Request flag
•
UID (optional)
Table 239. Fast Read Dynamic configuration response format when Error_flag is NOT set
Response SOF
Response_flags
Data
CRC16
Response EOF
-
8 bits
8 bits
16 bits
-
Response parameters:
•
One byte of data
Table 240. Fast Read Dynamic configuration response format when Error_flag is set
Response SOF
Response_flags
Error code
CRC16
Response EOF
-
8 bits
8 bits
16 bits
-
ST25DV04KC ST25DV16KC ST25DV64KC
RF commands
DS13519 - Rev 3
page 137/203



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