![](http://datasheet.mmic.net.cn/Analog-Devices-Inc/ADV7343BSTZ_datasheet_96356/ADV7343BSTZ_78.png)
ADV7342/ADV7343
Data Sheet
Rev. | Page 78 of 108
CRC SEQUENCE
REF
4T
4.15s ± 60ns
22.84s ± 210ns
22T
T = 1/(fH × 2200/77) = 1.038s
fH = 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