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PDF SAA7135 Data sheet ( Hoja de datos )
| Número de pieza | SAA7135 | |
| Descripción | Single-chip analog TV video/stereo DECODER | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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SAA7135
Single-chip, analog TV video/stereo
decoder for worldwide PCI applications—
with Dolby Pro Logic
For multi-standard analog and hybrid TVs, the Philips
SAA7135 integrates high-quality decoding of all analog
video and stereo formats used in TVs worldwide. It
gives manufacturers a low-BOM solution for new PCI
products, and an efficient upgrade path for adding
advanced audio features to existing SAA713x designs.
Semiconductors
Like other SAA713x single-chip TV decoders, the SAA7135 offers
high-quality detection and decoding of all worldwide analog TV
video standards. In addition, it decodes all worldwide TV stereo
formats and supports advanced audio features, such as Dolby Pro
Logic decoding, and more. The SAA7135’s flexible design, reusable
components, and versatile external interfaces lower BOM and cost
and support advanced TV decoder configurations. It gives manufac-
turers an ideal solution for adding robust multi-standard analog TV
decoding to a wide variety of computing and consumer products.
In addition, the SAA7135’s 100% pin compatibility with existing
SAA713x decoders enables efficient reuse of existing SAA713x
designs for more sophisticated markets or price points.
Key features
> Fully automatic standard detection and decoding of worldwide
analog TV video formats (PAL, NTSC, and SECAM), and world-
wide TV stereo formats (A2/Dual-FM, NICAM, BTSC with dbx™,
SAP, EIAJ, and FM radio)
> Advanced audio feature processing including Dolby® Pro Logic™,
Virtual Dolby Surround™, Philips Incredible Sound, and more
> Supports simultaneous stereo decoding and adaptive 3D comb
filtering (to enhance picture quality)
> Certified three-level Macrovision® detection circuitry
> Captures raw VBI data (for Closed Captioning,Teletext, etc.)
> Superior subpixel-accurate horizontal and vertical scaling
> Outputs digital I2S audio and ITU-656 video
> Captures transport streams from digital TV broadcasts and
MPEG datastreams in time-shift applications
> For PCI (Rev. 2.2, ACPI compliant) and standalone configurations
The SAA7135 delivers exceptional picture quality and advanced
video features proven in other SAA713x devices: low-noise, high-
quality ADCs, an adaptive comb filter, and subpixel-accurate scaling.
Certified three-level Macrovision detection circuitry ensures the
video content’s original analog copy protection remains intact.
Capture of transport streams from all digital TV broadcast standards
supports hybrid TV designs; capture of MPEG datastreams from
MPEG encoders supports time-shift applications. In PCI configura-
tions, the SAA7135 takes full advantage of the streaming capabilities
of PCs by outputting decoded video, audio,VBI, and transport
streams through DMA bus-mastered writes across the PCI bus.
Target applications
The SAA7135 is targeted for adding multi-standard analog TV
decoding with robust audio features to computing and consumer
products such as desktop and portable PCs, hybrid TVs or set-top
boxes (cable, terrestrial, satellite), personal video recorders (with
time shifting), DVD recorders, and more.
1 page  
per DMA channel allows system designers to tailor and balance
the latency behavior for each channel in a given application,
adapting to actual conditions.
Comprehensive software support and reference design
The SAA7135 software development kit (SDK) supports a com-
mon code base for VfW and Windows Driver Model (WDM)
architectures, reducing software maintenance and protecting
software investments. The SDK is based on a Component Object
Model (COM) interface; it includes sample code in Visual Basic
and C++ and a description of the interface.
SAA7135 WDM driver support is provided for all DirectShow®-
based applications. A WDM device driver kit (DDK) includes a
plug-and-play driver, capture-driver installations, and documenta-
tion.The SAA7135 WDM driver is WHQL validated and is
supported for Windows® 98/ME/2000/XP. The SAA7135 VfW
driver is available for Windows 95/NT4. A BDA-compliant driver
is included for digital TV applications. The SAA7135 also provides
a custom API enabling development of specialized applications
when published Windows APIs (WDM or VfW) are insufficient.
A comprehensive SAA713x Reference Design Kit enables system
designers and hardware manufacturers to quickly evaluate
SAA7135 features and develop single, half-size PCI designs for
hybrid TV receivers.The Kit includes:
> a reference PCI card with SAA7135 decoder, analog TV tuner,
32.11-MHz quartz crystal, I2C EEPROM
> a board connector plate with TV connector, CVBS and S-Video
inputs, audio input (line-in) and output (line-out)
> an optional voltage regulator for improved video performance
> the SAA7135 SDK and DDK
> installation and user guides
> board design, schematics, and Gerber files
> video cables
Technical specifications
PHYSICAL
Package
Power
Temperature
Rectangular LQFP128; 128 pins
supply 3.3 V
consumption 1.35 W (typical application)
0 to 70 oC
STANDARD COMPLIANCE/CERTIFICATION
PC Meets Microsoft/Intel requirements for PC Design
Guides 98/99 and 2001
PCI 2.2 and ACPI compliance (all 4 states)
ANALOG VIDEO SUBSYSTEM
Input
Five (5) analog input ports supporting any combination
of CVBS (NTSC, PAL, SECAM), S-Video
ADCs
Two (2) 9-bit CMOS ADCs, 27-MHz oversampling
Output
via PCI YCbCr or RGB including packet and planar,
gamma-compensated, or black stretched
via digital video port (GPIO) ITU-656, YUV-VMI (8-bit),
VIP 1.1 or VIP 2.0 (8- or 16-bit), ZV (16-bit),
ITU-601 (16-bit)
Sample rate 720 pixels/line (ITU 601)
XTAL reference 32.11 or 24.576 MHz, supports all video standards
Comb filter NTSC/PAL adaptive 4-line Y-C separation for all sources
including broadcast and VCR
Scaling
Downscaling: horizontal, vertical, and by field rate
Scalable from 10 taps H (for ratios close to 1:1) to 74
taps (icon-sized video)
VBI formats Closed Captioning, Teletext, NABST, CGMS,
WST, and WSS
PCI output DMA writes to memory; dedicated channel
with independent sample rate, adjustable by slicing
algorithm
Macrovision 3-level with active status interrupt; complies with
Macrovision’s Copy Protection Detect Specification,
Revision 1.00
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet SAA7135.PDF ] | |
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