AK8826 Datasheet, PDF (143/157 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

SD WSS Data 1 Register (R/W) [Sub Address 0x18]
SD WSS Data 2 Register (R/W) [Sub Address 0x19]
[Composite Video Encoder]
[AK8826VN]
to set WSS Data for Composite Video Encoder mode
Sub Address 0x18
bit 7
bit 6
SDG2-7
SDG2-6
0
0
bit 5
SDG2-5
0
bit 4
bit 3
SDG2-4
SDG1-3
Default Value
0
0
bit 2
SDG1-2
0
default Value 0x00
bit 1
bit 0
SDG1-1
SDG1-0
0
0
Sub Address 0x19
bit 7
bit 6
Reserved
Reserved
0
0
bit 5
SDG4-13
0
bit 4
bit 3
SDG4-12
SDG4-11
Default Value
0
0
bit 2
SDG3-10
0
default Value 0x00
bit 1
bit 0
SDG3-9
SDG3-8
0
0
Note) WSS Data is written in order of 0x18 and then 0x19.
When the second byte (0x19) of WSS Data is written, the AK8826 interprets that Data has been up-dated and it encodes the
Data on the next Video Line (Line 23).
Data is retained till it is up-dated with a new one.
MS0972-E-01
143
2008/12