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W9925QFK

Features: Integration· MPEG system/audio/video decoding and ynchronization· CD-ROM decoding· Glue-less interface to 8051-series micro controllers· Standard 4-Pin CD Interface· On Screen Display· NTSC/PAL TV timing generationSystem Operations· Fully supports VCD2.0, VCD1.1, Karaoke CD, CD-I FMV, an...

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SeekIC No. : 004545390 Detail

W9925QFK: Features: Integration· MPEG system/audio/video decoding and ynchronization· CD-ROM decoding· Glue-less interface to 8051-series micro controllers· Standard 4-Pin CD Interface· On Screen Display· NTS...

W9925QFK Data Sheet

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Part Number:
W9925QFK
Supply Ability:
5000

Price Break

  • Qty
  • 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 system/audio/video decoding and ynchronization
·  CD-ROM decoding
·  Glue-less interface to 8051-series micro controllers
·  Standard 4-Pin CD Interface
·  On Screen Display
·  NTSC/PAL TV timing generation
System Operations
·  Fully supports VCD2.0, VCD1.1, Karaoke CD, CD-I FMV, and CDDA titles
·  Digest function, provides quick overviews of contents in one or more discs with audio output
·  Versatile playback commands
·  Fast forward play with speed-up audio
·  Enhanced error recovery algorithms to overcome disc scratches and CD-drive errors
· Write/read pictures via host
Video Processing
·  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
·  Zoom-in effect for normal/high resolution pictures
·  User-programmable fade-in, fade-out effects
·  Frame rate conversion for various kinds of titles played on different TV systems
·  Automatic picture size adjustment for NTSC programs on PAL TV and vice versa
Audio Processing
·  Key control functions
·  3-D audio mode, offering more live effect
·  Surround effect
·  Provides voice cancellationmode to remove the voice component in Karaoke titles
·  Digital volume control and various channel selection
   modes both in MPEG and CDDA playback
Physical
·  Supports both Fast Page DRAM and EDO DRAM
·  8-bit Y/Cb/Cr video output
·  Two programmable I/O pins for system control
·  User-programmable power-saving mode
·  Low power consumption: 0.5W at full speed operation
·  3.3V VDD operation, input 5V acceptable
·  100-pin plastic QFP


Application

W9925QF-K provides an excellent price/performance ratio on VCD player system solutions. Figure-2 shows a typical application example of VCD player making use of W9925QF-K.




Description

W9925QFK is a high performance single-chip VCD decoder. W9925QFK performs real-time decompression of ISO/IEC-11172 MPEG 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 applications.




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