bt829bkrf ETC-unknow, bt829bkrf Datasheet - Page 98

• Manufacturer Part Number: bt829bkrf
• Description: Video Streamii Decoders
• Manufacturer: ETC-unknow

88
4.0 Control Register Definitions
0x0C—Luma Gain Register, Lower Byte (CONTRAST_LO)
0x0C—Luma Gain Register, Lower Byte (CONTRAST_LO)
This control register may be written to or read by the MPU at any time. Upon reset, it is initialized to 0xD8.
CONTRAST_LO(0) is the LSB. The CON_L_MSB bit and the CONTRAST_LO register concatenate to form
the 9-bit CONTRAST register. The value in this register is multiplied by the luminance value to provide contrast
adjustment.
CONTRAST_LO
7
1
The least significant byte (LSByte) of the luma gain (contrast) value.
6
1
Decimal Value
511
510
217
216
128
1
0
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.
.
.
.
.
5
0
4
1
D829BDSA
CONTRAST_LO
Hex Value
0x0D9
0x0D8
0x1FE
0x080
0x001
0x000
0x1FF
3
1
.
.
.
.
.
.
2
0
% of Original Signal
VideoStream II Decoders
1
0
236.57%
236.13%
100.46%
100.00%
59.26%
0.46%
0.00%
.
.
.
.
.
.
Bt829B
0
0