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ST25TV16K bảng dữ liệu(PDF) 77 Page - STMicroelectronics

tên linh kiện ST25TV16K
Giải thích chi tiết về linh kiện  NFC Type 5 / RFID tag IC with 16-Kbit or 64-Kbit EEPROM and protection
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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ST25TV16K bảng dữ liệu(HTML) 77 Page - STMicroelectronics

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A.4
EOF when using one subcarrier
A.4.1
High data rate
For the Fast commands, the EOF comprises a logic 0 that includes four pulses at 423.75 kHz and an
unmodulated time of 9.44 µs, followed by 12 pulses at 423.75 kHz (fC / 32) and an unmodulated time of 37.76 µs,
as shown in Figure 44.
Figure 44. End of frame, high data rate, one subcarrier, fast commands
56.64 µs
18.88 µs
A.4.2
Low data rate
For the fast commands, the EOF comprises a logic 0 that includes 16 pulses at 423.75 kHz and an unmodulated
time of 37.76 µs, followed by 48 pulses at 423.75 kHz (fC / 32) and an unmodulated time of 113.28 µs, as shown
in Figure 45.
Figure 45. End of frame, low data rate, one subcarrier, fast commands
226.56 µs
75.52 µs
Note:
For SOF and EOF in fast commands, bit coding using two subcarriers is not supported.
ST25TV16K ST25TV64K
EOF when using one subcarrier
DS11489 - Rev 9
page 77/87



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