ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 108

• Manufacturer Part Number: ak8825
• Description: Hd/sd Multi Format Video Encoder With 3ch Dac
• Manufacturer: AKM Semiconductor, Inc.

8. Composite Video Encoder Block
■ Block Diagram
Rev-E-00
Generator
Clock Gen
Timing
Cb[7:0]
From
Cr[7:0]
Y[7:0
From
13.5MHz
27MHz
SD-Timing
4:2:2 to 4:4:4
Generator
6.75MHz
LPF-A
Fig. 151 Composite Video Encoder Block Diagram
x2
LPF-B
13.5MHz
CGMS-A
WSS
U
V
108
cos
DFS
Generator
SYNC
sin
C
LPF-C
x2
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
2008/03
[AK8825]