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ST25DV04K Datasheet(PDF) 116 Page - STMicroelectronics

Part # ST25DV04K
Description  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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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV04K Datasheet(HTML) 116 Page - STMicroelectronics

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Figure 56. Write Configuration exchange between VCD and ST25DVxxx
SOF
Write
Configuration
request
VCD
EOF
ST25DVxxx
t1
SOF
Write
Configuration
response
EOF
ST25DVxxx
Wt
Write Configuration
sequence when error
SOF
Write
Configuration
response
EOF
7.6.28
Read Dynamic Configuration
On receiving the Read Dynamic Configuration command, the ST25DVxxx reads the Dynamic register address
indicated 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.
Table 187. Read Dynamic Configuration request format
Request SOF Request_flags
Read Dynamic
Configuration
IC Mfg code UID (1) Pointer address CRC16 Request EOF
-
8 bits
ADh
02h
64 bits 8 bits
16 bits
-
1. This field is optional.
Request parameters:
•
UID (Optional)
Table 188. 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
Note:
Please refer to Table 11. System configuration memory mapfor details on register addresses.
Table 189. 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
-
Response parameter:
•
Error code as Error_flag is set:
–
02h: command not recognized
–
03h: command option not supported
–
0Fh: error given with no information
–
10h: block not available
ST25DV04K ST25DV16K ST25DV64K
RF commands
DS10925 - Rev 9
page 116/200



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