AK8851 Datasheet, PDF (68/80 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

ASAHI KASEI
Saturation Control Register (R/W) [Sub Address 0x11]
This adjusts the color saturation level. The default value of 0x80 corresponds to the un-adjusted value.
[AK8851]
Sub Address 0x11
bit 7
bit 6
SAT7
SAT6
1
0
bit 5
SAT5
0
bit 4
bit 3
SAT4
SAT3
Default Value
0
0
bit 2
SAT2
0
Default Value : 0x80
bit 1
bit 0
SAT1
SAT0
0
0
Saturation Control Register Definition
BIT Register Name
bit 0
SAT0
~
~
Saturation Control
bit 7
SAT7
R/W Definition
Saturation adjustment range is 0 to 2 by 1/256 steps.
It corresponds to the range between -∞ to 6dB.
R/W SAT7:SAT0
0 : -∞
0xff : 255/128
HUE Control Register (R/W) [Sub Address 0x12]
Register to adjust the color Hue level. The default value of 0x00 corresponds to the un-adjusted value
Sub Address 0x12
bit 7
bit 6
HUE7
HUE6
0
0
bit 5
HUE5
0
bit 4
bit 3
HUE4
HUE3
Default Value
0
0
bit 2
HUE2
0
Default Value : 0x00
bit 1
bit 0
HUE1
HUE0
0
0
HUE Control Register Definition
BIT Register Name
bit 0
HUE0
~
~
HUE Control
bit 7
HUE7
R/W Definition
The range of Hue adjustment can be set form -45deg.
R/W to 45deg. by 1/256 Step
Set with 2’s complement value.
MS0244-E-03
68
Confidential
2005 / 07