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參數(shù)資料
| 型號(hào)： | SAA7114E |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號(hào)轉(zhuǎn)換 |
| 英文描述： | PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC comb filter, VBI data slicer and high performance scaler |
| 中文描述： | COLOR SIGNAL DECODER, PBGA156 |
| 封裝： | 15 X 15 MM, 1.05 MM HEIGHT, PLASTIC, MO-192, SOT700-1, LBGA-156 |
| 文件頁(yè)數(shù)： | 4/147頁(yè) |
| 文件大?。?/td> | 759K |
| 代理商： | SAA7114E |
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2004 Mar 03
4
Philips Semiconductors
Product specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI data slicer and high performance scaler
SAA7114
1.5
Digital I/O interfaces
Real-time signal port (R port), inclusive continuous
line-locked reference clock and real-time status
information supporting RTC level 3.1 (refer to document
“RTC Functional Specification”for details)
Bidirectional expansion port (X port) with half duplex
functionality (D1), 8-bit Y-C
B
-C
R
:
– Output from decoder part, real-time and unscaled
– Input to scaler part, e.g. video from MPEG decoder
(extension to 16-bit possible)
Video image port (I port) configurable for 8-bit data
(extension to 16-bit possible) in master mode (own
clock), or slave mode (external clock), with auxiliary
timing and handshake signals
Discontinuous data streams supported
32-word
×
4-byte FIFO register for video output data
28-word
×
4-byte FIFO register for decoded VBI data
output
Scaled 4 : 2 : 2, 4 : 1 : 1, 4 : 2 : 0, 4 : 1 : 0 Y-C
B
-C
R
output
Scaled 8-bit luminance only and raw CVBS data output
Sliced, decoded VBI data output.
1.6
Miscellaneous
Power-on control
5 V tolerant digital inputs and I/O ports
Software controlled power saving standby modes
supported
Programming via serial I
2
C-bus, full read back ability by
an external controller, bit rate up to 400 kbits/s
Boundary scan test circuit complies with the “IEEE Std.
1149.b1 - 1994”
2
APPLICATIONS
Desktop video
Multimedia
Digital television
Image processing
Video phone applications.
3
GENERAL DESCRIPTION
The SAA7114 is a video capture device for applications at
the image port of VGA controllers.
The SAA7114 is a combination of a two-channel analog
preprocessing circuit including source selection,
anti-aliasing filter and ADC, an automatic clamp and gain
control, a Clock Generation Circuit (CGC), a digital
multistandard decoder containing two-dimensional
chrominance/luminance separation by an adaptive comb
filter and a high performance scaler, including variable
horizontal and vertical up and downscaling and a
brightness, contrast and saturation control circuit.
It is a highly integrated circuit for desktop video and similar
applications. The decoder is based on the principle of
line-lockedclockdecodingandisabletodecodethecolour
of PAL, SECAM and NTSC signals into ITU 601
compatible colour component values. The SAA7114
accepts CVBS or S-video (Y/C) as analog inputs from TV
or VCR sources, including weak and distorted signals.
An expansion port (X port) for digital video (bidirectional
half duplex, D1 compatible) is also supported to connect to
MPEG or a video phone codec. At the so called image port
(I port) the SAA7114 supports 8 or 16-bit wide output data
with auxiliary reference data for interfacing to VGA
controllers.
The target application for the SAA7114 is to capture and
scale video images, to be provided as a digital video
stream through the image port of a VGA controller, for
display via the frame buffer of the VGA, or for capture to
system memory.
In parallel SAA7114 also incorporates provisions for
capturing the serially coded data in the vertical blanking
interval (VBI data). Two principal functions are available:
1.
To capture raw video samples, after interpolation to
the required output data rate, via the scaler
2.
A versatile data slicer (data recovery) unit.
The SAA7114 also incorporates field-locked audio clock
generation. This function ensures that there is always the
same number of audio samples associated with a field, or
a set of fields. This prevents the loss of synchronization
between video and audio during capture or playback.
The circuit is I
2
C-bus controlled (full write/read capability
for all programming registers, bit rate up to 400 kbits/s).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA7114 | PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC combfilter, VBI-data slicer and high performance scaler |
| SAA7115 | PAL/NTSC/SECAM Video Decoder with Adaptive PAL/NTSC Comb Filter, High Performance Scaler, I2C Sliced Data Readback and SQ PIXEL OUTPUT |
| SAA7116 | Digital Video to PCI Interface |
| SAA7116H | Video Converter Circuit |
| SAA7145 | |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA7114E/V2,518 | 功能描述:視頻 IC DIGITAL VIDEO DECODER W/COMB F 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 |
| SAA7114H | 制造商:NXP Semiconductors 功能描述: 制造商:Philips Semiconductor 功能描述: |
| SAA7114H/V2 | 制造商:NXP Semiconductors 功能描述:7114H/V2557 |
| SAA7114H/V2,518 | 功能描述:視頻 IC DIGITAL VIDEO DECODER W/COMB F 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 |
| SAA7114H/V2,557 | 功能描述:視頻 IC DECODR W/FILTR 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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