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ManualsBrandsLinear Technology ManualsDAC - Digital to AnalogVideo Encoder 10bit LFCSP-
71727374757677787980
ADV7390/ADV7391/ADV7392/ADV7393 Data Sheet
Rev. J | Page 76 of 107
CRC SEQUENCE
REF
4T
4.15µs ± 60ns
22.84µs ± 210ns
22T
T = 1/(f
H
× 2200/77) = 1.038µs
f
H
= HORIZONTAL SCAN FREQUENCY
1H
T ± 30ns
0mV
–300mV
70% ± 10%
+700mV
C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12
C13 C14 C15 C16 C17
C18 C19
BIT 1 BIT 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BIT 20
06234-097
Figure 99. High Definition (1080i) CGMS Waveform
H0
H1
H2
H3
H4
H5
P0
P1
P2
P3
P4
CRC SEQUENCE
START
0mV
–300mV
70% ± 10%
+700mV
.
P122
P123
P124
P125
P126
P127
BIT 1 BIT 2
..
NOTES
1. PLEASE REFER TO THE CEA-805-A SPECIFICATION FOR TIMING INFORMATION.
BIT 134
06234-098
Figure 100. Enhanced Definition (525p) CGMS Type B Waveform
CRC SEQUENCE
START
0mV
–300mV
70% ±10%
+700mV
H0
H1
H2
H3
H4
H5
P0
P1
P2
P3
P4
. .
.
P122
P123
P124
P125
P126
P127
BIT 1 BIT 2
NOTES
1. PLEASE REFER TO THE CEA-805-A SPECIFICATION FOR TIMING INFORMATION.
BIT 134
06234-099
Figure 101. High Definition (720p and 1080i) CGMS Type B Waveform
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