11 luminance contrast register, 12 chrominance saturation register, 13 chroma hue register – Texas Instruments TVP5147M1PFP User Manual
Page 44: 14 chrominance processing control 1 register
Functional Description
36
SLES140A—March 2007
TVP5147M1PFP
2.11.11
Luminance Contrast Register
Subaddress
0Ah
Default
80h
7
6
5
4
3
2
1
0
Contrast [7:0]
Contrast [7:0]: This register works for CVBS, S-video, and component video luminance.
1111 1111 = 255 (maximum contrast)
1000 0000 = 128 (default)
0000 0000 = 0 (minimum contrast)
2.11.12 Chrominance Saturation Register
Subaddress
0Bh
Default
80h
7
6
5
4
3
2
1
0
Saturation [7:0]
Saturation [7:0]: This register works for CVBS, S-video, and component video luminance.
1111 1111 = 255 (maximum)
1000 0000 = 128 (default)
0000 0000 = 0 (no color)
2.11.13 Chroma Hue Register
Subaddress
0Ch
Default
00h
7
6
5
4
3
2
1
0
Hue [7:0]
Hue [7:0] (does not apply to component video)
0111 1111 = +180 degrees
0000 0000 = 0 degrees (default)
1000 0000 = −180 degrees
2.11.14 Chrominance Processing Control 1 Register
Subaddress
0Dh
Default
00h
7
6
5
4
3
2
1
0
Reserved
Color PLL reset
Chrominance adaptive
comb enable
Reserved
Automatic color gain control [1:0]
Color PLL reset:
0 = Color subcarrier PLL not reset (default)
1 = Color subcarrier PLL reset
Chrominance adaptive comb enable: This bit is effective on composite video only.
0 = Enabled (default)
1 = Disabled
Automatic color gain control (ACGC) [1:0]:
00= ACGC enabled (default)
01 = Reserved
10= ACGC disabled, ACGC set to the nominal value
11= ACGC frozen to the previous set value