AK8826 Datasheet, PDF (4/157 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

With Register setting, AK8826 works as
- Multi-Format Component Video Encoder (Component Video Encoder)
- NTSC/PAL Composite Video Encoder (Composite Video Encoder)
- High Speed Video DAC
1-1. Component Video Encoder Block
From
Timing
Generator
HD-Timing
Generator
Y[7:0
sin(x)/x
Compensation
CLK Rate B
CLK Rate C
x2
LPF-D
x2
LPF-G*
CGMS-A
SYNC
WSS
Generator
*CLK Rate D
Cb[7:0]
Cr[7:0]
4:2:2
to
4:4:4
x2 Interpolation
CLK Rate A
LPF-E
CLK Rate B
x2
LPF-F
From
Clock Gen
6.75MHz/13.5/27/54/74.25/148.5MHz
x2
LPF-H*
Fig. 2 Component Video Encoder Block
This Block described as Component Video Encoder Block in this datasheet.
CLK Rate D is only a case of D1(525i/625i) mode.
Clock Rate
CLK Rate A
CLK Rate B
CLK Rate C
CLK Rate D
D1( 525i /625i )
6.75MHz
13.5MHz
27MHz
54MHz
D2( 525P / 625P )
13.5MHz
27MHz
54MHz
-
D3/D4(1080i/720P)
37.125MHz
74.25MHz
148.5MHz
-
[AK8826VN]
Y[9:0]
to DAC
Pb[9:0]
to DAC
Pr[9:0]
to DAC
MS0972-E-01
4
2008/12