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)： 45/175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
45 of 175
NXP Semiconductors
SAF7118
Multistandard video decoder with adaptive comb filter
The video scaler receives its input signal from the video decoder or from the expansion
port (X port). It gets 16-bit Y-C
B
-C
R
4 : 2 : 2 input data at a continuous rate of 13.5 MHz
from the decoder. Discontinuous data stream can be accepted from the expansion port
(X port), normally 8-bit wide ITU 656 such as Y-C
B
-C
R
data, accompanied by a pixel
qualifier on XDQ.
The input data stream is sorted into two data paths, one for luminance (or raw samples)
and one for time-multiplexed chrominance C
B
and C
R
samples. An Y-C
B
-C
R
4 : 1 : 1 input
format is converted to 4 : 2 : 2 for the horizontal prescaling and vertical filter scaling
operation.
The scaler operation is defined by two programming pages A and B, representing two
different tasks, that can be applied field alternating or to define two regions in a field (e.g.
with different scaling range, factors and signal source during odd and even fields).
Each programming page contains control:
For signal source selection and formats
For task handling and trigger conditions
For input and output acquisition window definition
For H-prescaler, V-scaler and H-phase scaling
Raw VBI data is handled as a specific input format and needs its own programming page
(equals own task).
In VBI pass through operation the processing of prescaler and vertical scaling has to be
set to no-processing, however, the horizontal fine scaling VPD can be activated.
Upscaling (oversampling, zooming), free of frequency folding, up to a factor of 3.5 can be
achieved, as required by some software data slicing algorithms.
These raw samples are transported through the image port as valid data and can be
output as Yonly format. The lines are framed by SAV and EAV codes.
8.4.1
Acquisition control and task handling (subaddresses 80h, 90h, 91h, 94h to
9Fh and C4h to CFh)
The acquisition control receives horizontal and vertical synchronization signals from the
decoder section or from the X port. The acquisition window is generated via pixel and line
counters at the appropriate places in the data path. From X port only qualified pixels and
lines (lines with qualified pixel) are counted.
The acquisition window parameters are as follows:
Signal source selection regarding input video stream and formats from the decoder, or
from X port (programming bits SCSRC[1:0] 91h[5:4] and FSC[2:0] 91h[2:0])
Remark
: The input of raw VBI data from the internal decoder should be controlled via
the decoder output formatter and the LCR registers; see
Section 8.3
Vertical offset defined in lines of the video source, parameter YO[11:0] 99h[3:0]
98h[7:0]
Vertical length defined in lines of the video source, parameter YS[11:0] 9Bh[3:0]
9Ah[7:0]
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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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