M24LR64-RDW6T-2 Datasheet, PDF (53/121 Pages) STMicroelectronics – Dynamic NFC/RFID tag IC with 64-Kbit EEPROM with I²C bus and ISO 15693 RF interface

M24LR64-R
12.7 EOF when using one subcarrier
M24LR64-R to VCD frames
12.8
High data rate
The EOF comprises a logic 0 that includes 8 pulses at 423.75 kHz and an unmodulated time
of 18.88 µs, followed by 24 pulses at 423.75 kHz (f_C/32), and by an unmodulated time of
56.64 µs as shown in Figure 41.
Figure 41. End of frame, high data rate, one subcarriers
37.76μs
113.28μs
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For the Fast commands, the EOF comprises a logic 0 that includes 4 pulses at 423.75 kHz
and an unmodulated time of 9.44 µs, followed by 12 pulses at 423.75 kHz (f_C/32) and an
unmodulated time of 37.76 µs as shown in Figure 42.
Figure 42. End of frame, high data rate, one subcarriers x2
18.88μs
56.64μs
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12.9
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 (f_C/32) and an unmodulated time of
226.56 µs as shown in Figure 43.
Figure 43. End of frame, low data rate, one subcarriers
151.04μs
453.12μs
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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 (f_C/32) and an
unmodulated time of 113.28 µs as shown in Figure 44.
Figure 44. End of frame, low data rate, one subcarriers x2
75.52μs
226.56μs
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