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ST25DV04KC bảng dữ liệu(PDF) 30 Page - STMicroelectronics

tên linh kiện ST25DV04KC
Giải thích chi tiết về linh kiện  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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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST25DV04KC bảng dữ liệu(HTML) 30 Page - STMicroelectronics

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RF off mode can be exited with the I2C “RFSwitchOn” command, or by removing the VCC power supply. Exiting
RF off mode reset the bit 2, RF_OFF, of RF_MNGT_Dyn register. When exiting RF off mode, ST25DVxxKC state
machine is set to Reset to Ready state, and all RF security sessions are closed.
Table 26. RF modes summary
RF mode
RF requests treatment
ISO15693 state
RF security sessions
Run
Executed normally
Changed by relevant RF requests
Changed by relevant RF requests
Disable
Not executed.
Error 0Fh returned when possible
Unchanged
Unchanged
Sleep
Not processed, not answered
Unchanged
Unchanged
Off
Not processed, not answered
Reset (back to reset to ready state)
Reset (all sessions closed)
Following table is summarizing the effect of RF_OFF, RF_SLEEP and RF_DISABLE bits, as well as I2C busy
state on any RF request:
Table 27. RF modes configuration bits and effect on RF requests
RF_OFF
RF_SLEEP
RF_DISABLE
I2C busy
Effect on RF request
0
0
0
0
Processed
0
0
0
1
Not processed and answered with error 0Fh when possible
0
0
1
x
Not processed and answered with error 0Fh when possible
0
1
x
x
No processed, not answered
1
0
x
x
No processed, not answered
1
1
x
x
No processed, not answered
ST25DV04KC ST25DV16KC ST25DV64KC
RF management feature
DS13519 - Rev 3
page 30/203



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