30
TABLE 24. BRIGHTNESS REGISTER
SUB ADDRESS = 18
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7
Reserved
0
B
6-0
Brightness
Adjust
These bits control the brightness. They may have a value of +63 (“011 1111”) to -64 (“100
0000”), with positive values increasing brightness. A value of 0 (“000 0000”) has no effect
on the data.
0000000
B
TABLE 25. CONTRAST REGISTER
SUB ADDRESS = 19
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-0
Contrast
Adjust
These bits control the contrast. They may have a value of 0x (“0000 0000”) to 1.992x
(“1111 1111”). A value of 1x (“1000 0000”) has no effect on the data.
80
H
TABLE 26. HUE REGISTER
SUB ADDRESS = 1A
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-0
Hue
Adjust
These bits control the color hue. They may have a value of +30 degrees (“0111 1111”) to
-30 degrees (“1111 1111”). A value of 0 degrees (“0000 0000”) has no effect on the color
data.
00
H
TABLE 27. SATURATION REGISTER
SUB ADDRESS = 1B
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-0
Saturation
Adjust
These bits control the color saturation. They may have a value of 0x (“0000 0000”) to
1.992x (“1111 1111”). A value of 1x (“1000 0000”) has no effect on the color data. A value
of 0x (“0000 0000”) disables the color information.
80
H
TABLE 28. COLOR GAIN REGISTER
SUB ADDRESS = 1C
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-0
Color Gain
Adjust
These bits control the amount of gain control for the color difference (CbCr) signals. They
may have a value of 0.5x (“0010 0000”) to 3.98x (“1111 1111”). A value of 1x (“0100
0000”) has no effect on the data. This register is ignored unless the color gain control
mode selection is “fixed gain control”.
40
H
TABLE 29. SHARPNESS REGISTER
SUB ADDRESS = 1E
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-6
Reserved
00
B
5-0
Sharpness
Adjust
These bits control the amount of gain control of high frequency luminance signals (either
2.6MHz or Fsc). They may have a value of +12dB (“11 1111”) to -12dB (“00 0100”). A
value of 0dB (“01 0000”) has no effect on the data. This register is ignored if the sharp-
ness mode selection is “disable sharpness control” or “reserved”.
010000
B
HMP8115