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W9923QF

Features: IntegrationMPEG-1 system/audio/video decoding and synchronizationCD-ROM decoding Glueless interface to 8051-series micro controllersStandard 4-Pin CD InterfaceSupports both Fast Page DRAM and EDODRAMProvides programmable I/O pins for system control On Screen Display TV timing generationU...

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SeekIC No. : 004545387 Detail

W9923QF: Features: IntegrationMPEG-1 system/audio/video decoding and synchronizationCD-ROM decoding Glueless interface to 8051-series micro controllersStandard 4-Pin CD InterfaceSupports both Fast Page DRAM ...

W9923QF Data Sheet

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Part Number:
W9923QF
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

Integration
 MPEG-1 system/audio/video decoding and synchronization
 CD-ROM decoding
  Glueless interface to 8051-series micro controllers
 Standard 4-Pin CD Interface
 Supports both Fast Page DRAM and EDO
DRAM
 Provides programmable I/O pins for system control
  On Screen Display
  TV timing generation
 User-programmable power-saving mode System Operations
 Fully supports MP3 in ISO9660 CD format, VCD2.0, VCD1.1, Karaoke CD, CD-I FMV, and CDDA titles
  Digest function, provides quick overviews of contents in one disc or among discs, with audio output
  Versatile playback commands, including slowmotion, scan, pause, single frame, video clipping, freeze, and stop
 Provides fast forward play incorporating with speed-up audio
 Enhanced error recovery algorithms to overcome disc scratches and CD-drive errors
 Write/read pictures via host, allows writing    Logos on display or capturing pictures from titles
Video Processing
 l High quality video output of still pictures (704x480 or 704x576) with only 4M DRAM   Provides vertical scaling which allows full screen display of 240 (480)-line sources on PAL systems
  Provides filters to enhance image quality for SIF format data on full screen display
 User-programmable fade-in, fade-out effects and adjustable brightness
  8-bit YCbCr video output
Audio Processing
  Decodes MPEG1 (layer-1, 2, 3) stereo channel audio
  Provides voice cancellation mode for the purpose to remove the voice component in Karaoke titles
  Provides key control functions for Karaoke applications
  Supports 3D and surround sound processing
  Digital volume control and various channel    selection modes both in MPEG and CDDA playback
 16-bit Audio serial PCM output Physical
 Low power consumption: 0.5W at full speed operation
  3.3V power supply
 100-pin plastic QFP


Application

Following figure shows a typical configuration of VCD player with MP3 application.


Description

The W9923QF is a high performance single-chip VCD decoder with MP3 playback feature. W9923QF performs real-time decompression of ISO/IEC- 11172 MPEG (Moving Picture Experts Group) streams, including system layer, audio and video data. It incorporates an 8-bit host interface and a CD interface which make it easy to use. Also, its versatile features help to build high-quality and cost-effective standalone VCD and MP3 applications. W9923QF is pin-to-pin compatible to the well-known VCD decoder, the W9925QF.




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