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M24LR64E-R 数据表(PDF) 58 Page - STMicroelectronics

部件名 M24LR64E-R
功能描述  64-Kbit EEPROM with password protection, dual interface & energy harvesting: 400 kHz I²C bus & ISO 15693 RF protocol at 13.56 MHz
PDF  140 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M24LR64E-R 数据表(HTML) 58 Page - STMicroelectronics

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Doc ID 022712 Rev 3
12.3
EOF when using one subcarrier
12.3.1
High data rate
The EOF comprises a logic 0 that includes eight pulses at 423.75 kHz and an unmodulated
time of 18.88 µs, followed by 24 pulses at 423.75 kHz (fC/32), and by an unmodulated time
of 56.64 µs, as shown in Figure 41.
Figure 41.
End of frame, high data rate, one subcarrier
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 42.
Figure 42.
End of frame, high data rate, one subcarrier, fast commands
12.3.2
Low data rate
The EOF comprises a logic 0 that includes 32 pulses at 423.75 kHz and an unmodulated
time of 75.52 µs, followed by 96 pulses at 423.75 kHz (fC/32) and an unmodulated time of
226.56 µs, as shown in Figure 43.
Figure 43.
End of frame, low data rate, one subcarrier
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 44.
Figure 44.
End of frame, low data rate, one subcarrier, Fast commands
113.28µs
ai12084
37.76µs
56.64µs
ai12085
18.88µs
453.12µs
ai12086
151.04µs
226.56µs
ai12087
75.52µs



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