ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 70

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

(2-2) 625i 8-bit x 1ch (Based on ITU-R .BT.601)
(2-2-1) HDCEA861-bit = 0
Rev-E-00
Line-No.
27MHz
Digital
Line-No.
Data
HDI
Start of 2nd Field
HD
VD
Digital
Start of 1st Field
HD
VD
HDI
VDI
VDI
622
310
623
311
264T (-2T/+1T)
624
Fig. 81
Fig. 82
1/4 H
312
1/4 H
Fig. 80 625i HSYNC and data (8-bit x 1ch)
625
1/2 H
625i Relation between HSYNC and VSYNC (1)
525i Relation between HSYNC and VSYNC (2)
1/4 H 1/4 H
313
Fig. 83 Recognition of Field
1
1/2 H
314
Cb
70
2
0
315
Y
0
3
316
Cr
0
4
Y
317
1
5
Cb
1
318
6
Y
2
319
Cr
7
1
320
8
2008/03
[AK8825]