参数资料
型号: TVP5154AIPNPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP128
封装: PLASTIC, HTQFP-128
文件页数: 29/92页
文件大小: 1089K
代理商: TVP5154AIPNPR
www.ti.com
SLES214C – DECEMBER 2007 – REVISED SEPTEMBER 2010
7.2.10
Brightness Control Register
Address
09h
Default
80h
7
6
5
4
3
2
1
0
Brightness control
Brightness control: This register works for CVBS and S-Video luminance.
1111 1111 = 255 (bright)
1000 0000 = 128 (default)
0000 0000 = 0 (dark)
The output black level relative to the nominal black level (16 out of 256) as a function of the Brightness[7:0] setting and the Contrast[7:0]
setting is as follows.
Black Level = nominal_black_level + (Brightness[7:0] - 128) + (438 / 4) × (1 – Contrast[7:0] / 128)
7.2.11 Color Saturation Control Register
Address
0Ah
Default
80h
7
6
5
4
3
2
1
0
Saturation control
Saturation control: This register works for CVBS and S-Video chrominance.
1111 1111 = 255 (maximum)
1000 0000 = 128 (default)
0000 0000 = 0 (no color)
The total chrominance gain relative to the nominal chrominance gain as a function of the Saturation [7:0] setting is as follows.
Chrominance Gain = nominal_chrominance_gain × (Saturation[7:0] / 128)
7.2.12 Hue Control Register (does not apply to SECAM)
Address
0Bh
Default
00h
7
6
5
4
3
2
1
0
Hue control
Hue control:
0111 1111 = +180 degrees
0000 0000 = 0 degrees (default)
1000 0000 = –180 degrees
Copyright 2007–2010, Texas Instruments Incorporated
Internal Control Registers
35
Product Folder Link(s): TVP5154A
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