Datasheet

ADV7342/ADV7343 Data Sheet
Rev. | Page 78 of 108
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
06399-096
BIT 20
Figure 94. High Definition (1080i) CGMS Waveform
BIT 1 BIT 2
H0 H1 H2 H3 H4 H5 P0 P1 P2 P3 P4
CRC SEQUENCE
0mV
–300mV
+700mV
. P122 P123 P124 P125
P126 P127
START
..
70% ± 10%
NOTES
1. PLEASE REFER TO THE CEA-805-A SPECIFICATION FOR TIMING INFORMATION.
06399-097
BIT 134
Figure 95. Enhanced Definition (525p) CGMS Type B Waveform
0mV
–300mV
+700mV
70% ± 10%
NOTES
1. PLEASE REFER TO THE CEA-805-A SPECIFICATION FOR TIMING INFORMATION.
BIT 1 BIT 2
H0 H1 H2 H3 H4 H5 P0 P1 P2 P3 P4
CRC SEQUENCE
.
P122 P123 P124 P125
P126 P127
..
START
06399-098
BIT 134
Figure 96. High Definition (720p and 1080i) CGMS Type B Waveform
D