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參數資料
型號: TVP5157PNP
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉換
英文描述: COLOR SIGNAL DECODER, PQFP128
封裝: GREEN, PLASTIC, HTQFP-128
文件頁數: 56/108頁
文件大小: 1395K
代理商: TVP5157PNP
SLES243E
– JULY 2009 – REVISED MARCH 2011
Table 4-15. Luminance Contrast
Subaddress
11h
Default
80h
7
6
5
4
3
2
1
0
Contrast [7:0]
This register works for the luminance. See subaddress 12h.
0000 0000
0 (minimum contrast)
1000 0000
128 (default)
1111 1111
255 (maximum contrast)
The total luminance gain relative to the nominal luminance gain as a function of the Contrast [7:0] setting is as follows:
Luminance Gain = (nominal_luminance_gain)
× [Contrast[7:0] / 64 / (2MC) + MC - 1]
Where MC is the contrast multiplier setting in the Brightness and Contrast Range Extender register at I
2C subaddress 12h.
Table 4-16. Brightness and Contrast Range Extender
Subaddress
12h
Default
00h
7
6
5
4
3
2
1
0
Contrast
Reserved
Brightness multiplier [3:0]
multiplier
Contrast multiplier [4] (MC)
Increases the contrast control range.
0
2x contrast control range (default), Gain = n/64
– 1 where n is the contrast control and 64 ≤ n ≤255
1
Normal contrast control range, Gain = n/128 where n is the contrast control and 0
≤ n ≤ 255
Brightness multiplier [3:0] (MB)
Increases the brightness control range from 1x to 16x.
0h
1x (default)
1h
2x
3h
4x
7h
8x
Fh
16x
Note: The brightness multiplier should be set to 3h for 8-bit outputs.
Table 4-17. Chrominance Saturation
Subaddress
13h
Default
80h
7
6
5
4
3
2
1
0
Saturation [7:0]
This register works for the chrominance.
0000 0000
0 (no color)
1000 0000
128 (default)
1111 1111
255 (maximum)
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)
Copyright
2009–2011, Texas Instruments Incorporated
Internal Control Registers
51
Product Folder Link(s): TVP5158 TVP5157 TVP5156
相關PDF資料
PDF描述
TVP5156PNPR COLOR SIGNAL DECODER, PQFP128
TVP5156PNP COLOR SIGNAL DECODER, PQFP128
TVP5158IPNPR COLOR SIGNAL DECODER, PQFP128
TVP5158IPNP COLOR SIGNAL DECODER, PQFP128
TVP5158PNPR COLOR SIGNAL DECODER, PQFP128
相關代理商/技術參數
參數描述
TVP5157PNPR 功能描述:視頻 IC 4Ch NTSC/PAL Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5158 制造商:TI 制造商全稱:Texas Instruments 功能描述:With Independent Scalers, Noise Reduction, Auto Contrast, and Flexible Output Formatter for Security and Other Multi-Channel Video Applications
TVP5158EVM 功能描述:視頻 IC 開發工具 TVP5158 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V
TVP5158IPNP 功能描述:視頻 IC 4Ch NTSC/PAL Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5158IPNPQ1 制造商:TI 制造商全稱:Texas Instruments 功能描述:With Independent Scalers, Noise Reduction, Auto Contrast, and Flexible Output Formatter for Security and Other Multi-Channel Video Applications
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