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ST25DV04K Folha de dados(PDF) 29 Page - STMicroelectronics

Nome de Peças ST25DV04K
Descrição 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 Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV04K Folha de dados(HTML) 29 Page - STMicroelectronics

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RF_INTERRUPT:
•
A pulse is emitted on GPO by Manage GPO command (interrupt).
•
When RF_INTERRUPT is activated, a pulse of duration IT_TIME is emitted after EOF of ST25DV response
to a Manage GPO interrupt command (see Section 7.6.30 Manage GPO).
Figure 14. RF_INTERRUPT sequence
S
O
F
E
O
F
3) VCD sends a ManageGPO command (any value) and ST25DV stays quiet (command not for this
VICC, or quiet state). GPO/RF_INTERRUPT remains high-Z.
ManageGPO
command
GPO/RF_INTERRUPT (OD)
1) VCD sends a ManageGPO command with value 80h (GPO emit pulse) and ST25DV replies.
GPO/RF_INTERRUPT generates a pulse of duration IT_TIME after ST25DV response.
t1
GPO/RF_INTERRUPT (OD)
S
O
F
E
O
F
ST25DV
reply
S
O
F
ManageGPO
80h
command
E
O
F
2) VCD sends a ManageGPO command (any value) and ST25DV replies with error.
GPO/RF_INTERRUPT remains high-Z.
GPO/RF_INTERRUPT (OD)
S
O
F
ManageGPO
command
E
O
F
t1
S
O
F
E
O
F
ST25DV
reply
4) VCD sends any command other than ManageGPO command and ST25DV replies.
GPO/RF_INTERRUPT remains high-Z.
GPO/RF_INTERRUPT (OD)
S
O
F
Any other
command
E
O
F
t1/Wt
S
O
F
E
O
F
ST25DV
reply
ST25DV04K ST25DV16K ST25DV64K
GPO
DS10925 - Rev 11
page 29/197



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