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ST25TV02K 数据表(PDF) 6 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) 6 Page - STMicroelectronics

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3
Power management
3.1
Device set
To ensure a proper boot of the RF circuitry, the RF field must be turned ON without any modulation for a minimum
period of time tboot_RF. Before this time, ST25TV02K/512 ignores all received RF commands. (See Figure 4. RF
power-up sequence).
Figure 4. RF power-up sequence
RF interface ready
Power-up
by RF
RFfield
Vint_supply
tboot_RF
RF REQUEST
RF ANSWER
None Access
Allowed RF
3.2
Device reset
To ensure a proper reset of the RF circuitry, the RF field must be turned off (100% modulation) for a minimum
tRF_OFF period of time.
ST25TV02K ST25TV512
Power management
DS12074 - Rev 11
page 6/90



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