AK8826VN Datasheet, PDF (45/157 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

(2) Case of 525P/625P Data Input
Y/Cb/Cr data should be input with 16-bit width at 27MHz clock-rate.
x2 Over-sampling filter for Y-data and x4 Over-sampling filter for Cb/Cr data is equipped.
The block diagram is shown as follows,
8-bit
Y
8-bit
Cb/Cr
Synchronization Timing
MUX
Y
EAV
Decoder
Cb/Cr
Y
Cb/Cr
DEMUX
Level
Conversion
Y [9:0]
sin(x)/x
Compensation
CB [9:0]
CR [9:0]
4:2:2
to
4:4:4
Interpolation
LPF-E
x2
Interpolation
LPF-D
x2
Interpolation
LPF-F
27MHz
Synchronization Mode
Input Formatter 13.5MHz
27MHz
Fig. 40 525P/625P mode Block Diagram
[AK8826VN]
SYNC Form
Delay
DAC
Delay
DAC
Delay
DAC
54MHz
MS0972-E-01
45
2008/12