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ST25DV04K Datasheet(PDF) 31 Page - STMicroelectronics

No. de pieza ST25DV04K
Descripción Electrónicos  Dynamic NFC/RFID tag IC with 4-, 16-, or 64-Kbit EEPROM, and fast transfer mode capability
PDF  197 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV04K Datasheet(HTML) 31 Page - STMicroelectronics

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RF_PUT_MSG:
•
A pulse is emitted on GPO when a message is successfully written by RF in fast transfer mode mailbox.
•
When RF_PUT_MSG is activated, a pulse of duration IT_TIME is emitted on GPO at completion of valid
Write Message or Fast Write Message commands (after EOF of ST25DV response).
Figure 16. RF_PUT_MSG sequence
2) VCD sends a Write Message or Fast Write Message command and ST25DV replies with error.
GPO/RF_PUT_MSG remains high-Z.
S
O
F
E
O
F
3) VCD sends Write Message or Fast Write Message command and ST25DV stays quiet (command
not for this VICC, or quiet state). GPO/RF_PUT_MSG stays high-Z.
Write Msg
Command
GPO/RF_PUT_MSG (OD)
GPO/RF_PUT_MSG (OD)
S
O
F
Write Msg
command
E
O
F
1) VCD sends a Write Message or Fast Write Message command and ST25DV replies with no error.
GPO/RF_PUT_MSG generates a pulse during IT_TIME after ST25DV response.
t1
GPO/RF_PUT_MSG (OD)
S
O
F
E
O
F
ST25DV
reply
S
O
F
Write Msg
command
E
O
F
t1
S
O
F
E
O
F
ST25DV
reply
4) VCD sends a any other command than Write Message or Fast Write Message commands and
ST25DV replies. GPO/RF_PUT_MSG remains high-Z.
GPO/RF_PUT_MSG (OD)
S
O
F
Any other
command
E
O
F
t1
S
O
F
E
O
F
ST25DV
reply
ST25DV04K ST25DV16K ST25DV64K
GPO
DS10925 - Rev 11
page 31/197



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