AK8851 Datasheet, PDF (69/80 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

ASAHI KASEI
High Data Set Register (R/W) [Sub Address 0x13]
Register to set “HIGH” level of binary-coded data that is sliced by the VBI Slicer.
The default value is equal to 100 % White level ( 235 ).
Sub Address 0x13
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
H_7
H_6
H_5
H_4
H_3
H_2
Default Value
1
1
1
0
1
0
[AK8851]
Default Value : 0xEB
bit 1
bit 0
H_1
H_0
1
1
High Data Set Register Definition
BIT Register Name
bit 0
H_0
~
~
High Data 0~7 Set bit
bit 7
H_7
R/W Definition
It is necessary to be careful to set 0x00 and 0xFF.
R/W _{These values are the special codes for Rec.601.}
Low Data Set Register (R/W) [Sub Address 0x14]
Register to set “LOW” level of binary-coded data that is sliced by the VBI Slicer. The default value is equal to Pedestal level
( 16 ).
Sub Address 0x14
Default Value : 0x10
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
L_7
L_6
L_5
L_4
L_3
L_2
L_1
L_0
Default Value
0
0
0
1
0
0
0
0
Low Data Set Register Definition
BIT Register Name
bit 0
L_0
~
~
Low Data 0~7 Set bit
bit 7
L_7
R/W Definition
R/W
It is necessary to be careful to set 0x00 and 0xFF.
These values are the special codes for Rec.601.
MS0244-E-03
69
Confidential
2005 / 07