LRI2K to VCD frames LRI2K
Figure 26. Start of frame, low data rate, one subcarrier x2
226.56µs
6.2 SOF when using two subcarriers
75.52µs ai12081
(
The SOF comprises 27 pulses at 484.28 kHz ( f
C
kHz as shown in Figure 27 .
f
C
/28), followed by 24 pulses at 423.75 kHz
/32), and a logic 1 that includes 9 pulses at 484.28 kHz followed by 8 pulses at 423.75
For the Fast commands, the x2 mode is not available.
Figure 27. Start of frame, high data rate, two subcarriers
6.2.2
112.39µs 37.46µs ai12082
Low data rate
The SOF comprises 108 pulses at 484.28 kHz ( f
C
( f
C
423.75 kHz as shown in Figure 28 .
/28) followed by 96 pulses at 423.75 kHz
/32), and a logic 1 that includes 36 pulses at 484.28 kHz followed by 32 pulses at
For the Fast commands, the x2 mode is not available.
Figure 28. Start of frame, low data rate, two subcarriers
449.56µs 149.84µs ai12083
6.3 EOF when using one subcarrier
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
56.64 µs as shown in Figure 29 .
/32) and by an unmodulated time of
24/85
DocID12112 Rev 9
