參數(shù)資料
型號： TVP5154PNPG4
廠商： Texas Instruments, Inc.
英文描述： 4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER WITH INDEPENDENT SCALERS AND FAST LOCK
中文描述： 4通道低功耗PAL / NTSC制式/ SECAM制式，帶有獨立的定標(biāo)器和視頻解碼器快速鎖定
文件頁數(shù)： 65/78頁
文件大小： 824K
代理商： TVP5154PNPG4
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
EAV
Unscaled
Scaled
Line n
Line n+1
Line n+4
Line n+7
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
Submit Documentation Feedback
Scaler Configuration
65
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP5154PNPR 功能描述:視頻 IC 4Ch Lo Pwr PAL/NTSC SECAM 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
TVP5154PNPRG4 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER WITH INDEPENDENT SCALERS AND FAST LOCK
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
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