參數(shù)資料
型號(hào)： SAF7118H
廠商： NXP Semiconductors N.V.
元件分類： 通用總線功能
英文描述： Multistandard video decoder with adaptive comb filter and component video input
封裝： SAF7118EH/V1<SOT807-1 (HBGA156)|<<http://www.nxp.com/packages/SOT807-1.html<1<,;SAF7118EH/V1<SOT807-1 (HBGA156)|<<http://www.nxp.com/packages/SOT807-1.html<1<,;
文件頁數(shù)： 145/175頁
文件大?。?/td> 898K
代理商： SAF7118H
SAF7118_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 4 July 2008
145 of 175
NXP Semiconductors
SAF7118
Multistandard video decoder with adaptive comb filter
11.5 Scaler and interfaces
Table 143
shows some examples for the scaler programming with:
prsc = prescale ratio
fisc = fine scale ratio
vsc = vertical scale ratio
The ratio is defined as:
In the following settings the VBI data slicer is inactive. To activate the VBI data slicer,
VITX[1:0] 86h[7:6] has to be set to ‘11’. Depending on the VBI data slicer settings, the
sliced VBI data is inserted after the end of the scaled video lines, if the regions of VBI data
slicer and scaler overlaps.
To compensate the running-in of the vertical scaler, the vertical input window lengths are
extended by 2 lines to 290 lines, respectively 242 lines for XS, but the scaler increment
calculations are done with 288 lines, respectively 240 lines.
11.5.1
Trigger condition
For trigger condition STRC[1:0] 90h[1:0] not equal to ‘00’.
If the value of (YO + YS) is greater than or equal to 262 (NTSC), respectively 312 (PAL)
the output field rate is reduced to 30 Hz, respectively 25 Hz.
Horizontal and vertical offsets (XO and YO) have to be used to adjust the displayed video
in the display window. As this adjustment is application dependent, the listed values are
only dummy values.
11.5.2
Maximum zoom factor
The maximum zoom factor is dependent on the back-end data rate and therefore
back-end clock and data format dependent (8-bit or 16-bit output). The maximum
horizontal zoom is limited to approximately 3.5, due to internal data path restrictions.
number of output pixel
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAF7118H/V1,557 功能描述:視頻 IC COMPONENT VID DECODR 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
SAF7129AH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder
SAF7129AH/V1 功能描述:視頻 IC 6 DAC VIDEO ENCODER 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
SAF7129AH/V1,518 功能描述:視頻 IC 6 DAC VIDEO ENCODER 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
SAF7129AH/V1,557 功能描述:視頻 IC 6 DAC VIDEO ENCODER 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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