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ST25TV02K 数据表(PDF) 49 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) 49 Page - STMicroelectronics

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6.4.18
Read Configuration
On receiving the Read Configuration command, the ST25TV02K/512 read the static system configuration register
at the Pointer address 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 84. Read Configuration request format
Request SOF
Request_flags
Read Configuration
IC Mfg code
UID (1)
Pointer
CRC16
Request EOF
-
8 bits
A0h
02h
64 bits
8 bits
16 bits
-
1. The field is optional.
Note:
Please refer to Table 4. System configuration memory map accessible through write_cfg and read_cfg
commands for details on register addresses.
Request parameters:
•
System configuration register pointer
•
UID (optional)
Table 85. Read Configuration response format when Error_flag is NOT set
Response SOF
Response_flags
Register value
CRC16
Response EOF
-
8 bits
8 or 16 bits (1)
16 bits
-
1. It depends on registers being accessed
Response parameters:
•
One or two bytes of data: system configuration register
Table 86. Read 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: the option is not supported
–
10h: register not available
Figure 23. Read Configuration frame exchange between VCD and ST25TV02K/512
SOF
Read
Configuration
request
VCD
ST25TV02K/512
EOF
SOF
Read
Configuration
response
EOF
t1
ST25TV02K ST25TV512
RF commands
DS12074 - Rev 11
page 49/90



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