LRIS2K datasheet(33/102 Pages) STMICROELECTRONICS

33 / 102 page

LRIS2K

LRIS2K to VCD frames

33/102

8.7

EOF when using one subcarrier

8.8

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 (fC/32), and by an unmodulated time of

56.64 µs as shown in Figure 30.

Figure 30.

End of frame, high data rate, one subcarriers

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 (fC/32) and an

unmodulated time of 37.76 µs as shown in Figure 31.

Figure 31.

End of frame, high data rate, one subcarriers x2

8.9

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 (fC/32) and an unmodulated time of

226.56 µs as shown in Figure 32.

Figure 32.

End of frame, low data rate, one subcarriers

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 33.

Figure 33.

End of frame, low data rate, one subcarriers x2

113.28µs

ai12084

37.76µs

56.64µs

ai12085

18.88µs

453.12µs

ai12086

151.04µs

226.56µs

ai12087

75.52µs

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