AK8825 Datasheet, PDF (76/162 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

( 2-5) 1080i / 60Hz (8-bit x 2ch)
(2-5-1) HDCEA861-bit = 0
HDI and VDi timing
74.25MHz
or
74.25/1.001
Data (Y)
236T (-2T/+1T)
Data (Cb/Cr)
[AK8825]
Y₀
Y₁
Y₂
Y₃
---
Y_2n
Y_2n+1
Cb₀ Cr₀ Cb₁ Cr₁
---
Cb_n Cr_n
HDI
Fig. 95 1080i HSYNC and data (8-bit x 2ch)
1124
1125
1
2
Digital
Line-No.
HDI
3
4
5
6
7
VDI
Fig. 96 1080i Relation between HSYNC and VSYNC (1)
561
562
563
564
Digital
Line-No.
HDI
VDI
565
566
567
568
569
HDI
Start of 1st Filed
VDI
Start of 2nd Field
VDI
Fig. 97 1080i Relation between HSYNC and VSYNC (2)
1/2 H 1/2 H
1/2 H
1/2 H
Fig. 98 Recognition of Field
Rev-E-00
76
2008/03