ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 78

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

( 2-6) 1080i / 50Hz (8-bit x 2ch)
(2-6-1) HDCEA861-bit = 0
Rev-E-00
74.25/1.001
DATA[15:8]
Line-N o.
Line-N o.
74.25MHz
DATA[7:0]
D igital
D igital
HDI and VDI timing
Start of 2nd Field
start of 1st field
H D I
V D I
H D I
V D I
or
HDI
HDI
VDI
VDI
1 124
561
1 125
562
Fig. 103 1125i (1080i) Relation between HSYNC and VSYNC(1)
Fig. 104 1125i (1080i) Relation between HSYNC and VSYNC(2)
Fig. 102 1125i(1080i)
1/2H
563
1
236T
1/2H
1/2H
Fig. 105 Field Recognition
564
2
1/2H
565
HSYNC and data
3
78
Cb
Y
0
0
566
4
Cr
Y
1
0
(8-bit x 2ch)
Cb
Y
567
2
5
1
Cr
Y
3
1
568
6
---
---
569
Cb
Y
7
2n
n
Y
Cr
2n+ 1
n
2008/03
[AK8825]