AK8850 Datasheet, PDF (84/99 Pages) Asahi Kasei Microsystems – NTSC Digital Video Decoder

ASAHI KASEI
[AK8850]
SATURATION CONTROL REGISTER ( R / W ) [ SUB ADDRESS : 0x14 ]
This register controls Saturation adjustments.
Default value ( 0x80 ) corresponds to un-adjusted condition.
Sub Address 0x14
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
bit 7
SAT7
R/W Definition
Saturation adjustment range is 0 to 2 by 1/256
R/W step. It corresponds to the range between -∞ to
6dB.
HUE CONTROL REGISTER ( R / W ) [ SUB ADDRESS : 0x15 ]
This register controls HUE adjustments.
Default value ( 0x00) corresponds to un-adjusted condition.
This register set is valid only when the Composite signal and YC signal are input ( it is invalid with Component input
signasl ).
Sub Address 0x15
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
bit 7
HUE7
R/W Definition
The range of Hue adjustment can be set form
R/W -90deg. to 90deg. by 1/256 Step
Set with 2’s complement value.
Rev.0
84
2003/01