ADV7390/ADV7391/ADV7392/ADV7393
CRC SEQUENCE
+700mV
REF
BIT 1 BIT 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BIT 20
70% ± 10%
C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19
0mV
T ± 30ns
–300mV
22.84µs ± 210ns
22T
4T
4.15µs ± 60ns
T = 1/(f × 2200/77) = 1.038µs
H
f
= HORIZONTAL SCAN FREQUENCY
H
1H
Figure 97. High Definition (1080i) CGMS Waveform
CRC SEQUENCE
BIT 134
+700mV
START
BIT 1 BIT 2
70% ± 10%
.
.
.
0mV
–300mV
NOTES
1. PLEASE REFER TO THE CEA-805-A SPECIFICATION FOR TIMING INFORMATION.
Figure 98. Enhanced Definition (525p) CGMS Type B Waveform
CRC SEQUENCE
BIT 134
+700mV
START
BIT 1 BIT 2
70% ±10%
.
.
.
0mV
–300mV
NOTES
1. PLEASE REFER TO THE CEA-805-A SPECIFICATION FOR TIMING INFORMATION.
Figure 99. High Definition (720p and 1080i) CGMS Type B Waveform
Rev. 0 | Page 68 of 96
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