參數(shù)資料
型號(hào)： TVP5154PNPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP128
封裝： PLASTIC, HTQFP-128
文件頁數(shù)： 62/77頁
文件大小： 795K
代理商： TVP5154PNPRG4
www.ti.com
10.2 Horizontal Scaling
10.2.1 Registers
SAV
EAV
SAV
EAV
Unscaled
Scaled
10.3 Vertical Scaling
10.3.1 Registers
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
Unscaled
Scaled
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
Line n
Line n+1
Line n+4
Line n+7
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
SAV
EAV
Un
Scaled
Line n+2
Line n+3
Line n+5
Line n+6
Line n
Line n+1
Line n+4
Line n+7
Line n+2
Line n+3
Line n+5
Line n+6
SAV
TVP5154
4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER
WITH INDEPENDENT SCALERS AND FAST LOCK
SLES163A – MARCH 2006 – REVISED JULY 2006
The horizontal scaler uses a 32-phase polymorphic filter. Excellent performance can be achieved by using
the set of coefficients programmed into the 5154 for all scaling ratios.
It is necessary to program the input and output scaling control registers (3AB and 3AD).
Figure 10-1 shows how data is packed horizontally when scaled.
Figure 10-1. Unscaled and Scaled Pixel Data Alignment
The vertical scaler implements a weighted running average filter, which requires the initial weights and the
ratio registers to be configured.
Additionally, it is necessary to program the input and output scaling control registers (3A8, 3A9, and 3AC).
Figure 10-2 shows the active and inactive data lines when scaled vertically.
Figure 10-2. Unscaled and Scaled Vertical Data Formatting
Scaler Configuration
65
相關(guān)PDF資料
PDF描述
TVP5154PNPR COLOR SIGNAL DECODER, PQFP128
TVP5154PNP COLOR SIGNAL DECODER, PQFP128
TVP5157PNPR COLOR SIGNAL DECODER, PQFP128
TVP5157PNP COLOR SIGNAL DECODER, PQFP128
TVP5156PNPR COLOR SIGNAL DECODER, PQFP128
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP5156PNP 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
TVP5156PNPR 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
TVP5157PNP 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
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
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