AK8855 Datasheet, PDF (71/81 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Decoder

[ASAHI KASEI]
Contrast Control Register (R/W) [Sub Address 0x06]
Register to make Contrast Adjustment. Default value 0x80 corresponds to un-adjusted value.
AK8855
Sub Address 0x06
bit 7
bit 6
CONT7
CONT6
1
0
bit 5
CONT5
0
bit 4
bit 3
CONT4
CONT3
Default Value
0
0
bit 2
CONT2
0
Default Value: 0x80
bit 1
bit 0
CONT1
CONT0
0
0
Contrast Control Register Definition
BIT
Register
Name
bit 0 CONT0
~
~
Contrast Control
bit 7 CONT7
R/
W
Definition
to make Contrast Adjustment.
R/ Setting can be made in 1 / 256 step and setting
W range is from 0 to 255 / 128.
Default value is 0x80.
Brightness Control Register (R/W) [Sub Address 0x07]
Register to make Brightness Adjustment. Default value 0x00 corresponds to un-adjusted value.
Sub Address 0x07
Default Value: 0x00
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
BR7
BR6
BR5
BR4
BR3
BR2
BR1
BR0
Default Value
0
0
0
0
0
0
0
0
Brightness Control Register Definition
BIT
Register
Name
bit 0
BR0
~
~
Brightness Control
bit 7
BR7
R/
W
Definition
R/
W
to make Brightness Adjustment.
Setting is made in 2’s complement number.
MS0319-E-03
71
2004 / 11