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SAA7135 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Single-chip analog TV video/stereo DECODER - NXP

भाग संख्या SAA7135
समारोह Single-chip analog TV video/stereo DECODER
मैन्युफैक्चरर्स NXP 
लोगो NXP लोगो 
पूर्व दर्शन
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<?=SAA7135?> डेटा पत्रक पीडीएफ

SAA7135 pdf
SAA7135
Single-chip, analog TV video/stereo decoder for worldwide PCI applications—with Dolby Pro Logic
Analog TV video processing
Semiconductors
Capture
Analog video is sampled through five video inputs, supporting any
combination of CVBS and S-Video signals.The SAA7135 auto-
matically detects 50- and 60-Hz field frequencies and all analog
standards (PAL, NTSC, and SECAM) used in TV broadcasts.
Video is digitized by sophisticated, low-noise nine-bit ADCs with
built-in white and color peak control, clamping, and programmable
gain control. 27-MHz oversampling, twice the ITU-601 standard,
ensures an exceptional signal-to-noise ratio for maximum picture
clarity. Additional video capture features include:
> single crystal support for all video standards
> ultra-fast frame lock for fast input-switching in surveillance
applications and VCR fast search, shuttle, and freeze frame
> forced-field toggle for use with non-interlaced inputs to avoid
VCR ‘blue screen’
Decode
The SAA7135 decodes composite video into ITU-601 compatible
component color values. Its high-quality multi-standard adaptive
four-line comb filter performs best-in-class luma/chroma separa-
tion of CVBS signals from all sources, significantly reducing dot
crawl and enhancing image resolution and detail.The decoder
integrates separate brightness-contrast-saturation circuitry for
CVBS, S-Video, and raw VBI samples, and hue control for CVBS
and S-Video signals.
The SAA7135 supports fully automatic, three-level hardware
Macrovision detection with active-status interrupt. By ensuring
the content's original analog copy protection is still intact,
Macrovision prevents unauthorized recording of copyrighted
material transmitted through analog video outputs in applications
such as time-shift or archive recording or large screen display.
SAA7135 Conceptual Block Diagram
two analog audio
stereo pairs
TV sound (SIF)
TS (digital TV)
MPEG datastream
five analog
video inputs:
CVBS, S-Video
GPIO
interrupt
SAA7135
ANALOG
AUDIO
INTERFACE
ANALOG SIF/
AUDIO INTERFACE
analog audio pass-through
32 kHz, 44.1 kHz, 48 kHz
SOUND DECODER
(BTSC+dbx, SAP, EIAJ,
A2/Dual-FM, NICAM,
FM, AM)
AUDIO FEATURE
PROCESSING
(Dolby Pro Logic,
Virtual Dolby Surround,
Philips Incredible Sound,
bass, treble, volume,
balance, AVL)
TS/MPEG CAPTURE
(serial, parallel)
ANALOG
VIDEO
INTERFACE
DECODER
COMB FILTER
CLOCK SYNC
VIDEO
SCALER
MATRIX &
GAMMA
PROGRAMMABLE I/O
IRQ SELECTION/MAP
PROGRAMMING
REGISTERS
DAC (2) AUDIO MUX
analog stereo to
loopback cable
or headphones
I2S digital audio
FORMAT
FORMAT
PCI bus
digital video,
digital audio,
control data
CLIPPING &
FORMAT
VIDEO PORT
FORMAT
digital video
I2C INTERFACE
I2C
control data,
config data
from EEPROM

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डाउनलोड[ SAA7135 Datasheet.PDF ]


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