AK8826 Datasheet, PDF (104/157 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

8. Composite Video Encoder Block
■ Block Diagram
[AK8826VN]
From
Timing
Generator
Y[7:0
Cb[7:0]
Cr[7:0]
From
Clock Gen
SD-Timing
Generator
13.5MHz
x2
LPF-A
4:2:2 to 4:4:4
27MHz
6.75MHz
CGMS-A
WSS
SYNC
Generator
U
LPF-B _V
cos
sin
13.5MHz
DFS
C
x2
LPF-C
sin(x)/x
sin(x)/x
sin(x)/x
27MHz
Y[9:0]
to DAC
CVBS[9:0]
to DAC
C[9:0]
to DAC
Fig. 150 Composite Video Encoder Block Diagram
MS0972-E-01
104
2008/12