参数资料
型号: TVP5151IPBSQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP32
封装: GREEN, PLASTIC, QFP-32
文件页数: 31/86页
文件大小: 964K
代理商: TVP5151IPBSQ1
TVP5151
www.ti.com
SLES241C – SEPTEMBER 2009 – REVISED SEPTEMBER 2010
3.21.9 Luminance Processing Control #2 Register
Address
08h
Default
00h
7
6
5
4
3
2
1
0
Reserved
Luminance filter
Reserved
Peaking gain
Mac AGC control
select
Luminance filter select
0 = Luminance comb filter enabled (default)
1 = Luminance chrominance trap filter enabled
Peaking gain (sharpness)
00 = 0 (default)
01 = 0.5
10 = 1
11 = 2
Information on peaking frequency:
ITU-R BT.601 sampling rate: all standards
Peaking center frequency is 2.6 MHz.
Mac AGC control
00 = Auto mode
01 = Auto mode
10 = Force Macrovision AGC pulse detection off
11 = Force Macrovision AGC pulse detection on
3.21.10 Brightness Control Register
Address
09h
Default
80h
7
6
5
4
3
2
1
0
Brightness[7:0]
Brightness[7:0]: 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 (64 out of 1024) as a function of the
Brightness[7:0] setting is as follows:
Black Level = nominal_black_level + (Brightness[7:0] – 128)
Copyright 2009–2010, Texas Instruments Incorporated
Functional Description
37
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