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W9923

更新时间: 2024-09-24 22:14:35
品牌 Logo 应用领域
华邦 - WINBOND 解码器
页数 文件大小 规格书
1页 39K
描述
VCD Decoder with MP3

W9923 数据手册

  
W9923QF  
VCD Decoder with MP3  
GENERAL DESCRIPTION  
Video Processing  
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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  
The W9923QF is a high performance single-chip  
VCD decoder with MP3 playback feature. It  
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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8-bit YCbCr video output  
Audio Processing  
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Decodes MPEG1 (layer-1, 2, 3) stereo  
channel audio  
FEATURES  
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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  
Integration  
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MPEG-1 system/audio/video decoding and  
synchronization  
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CD-ROM decoding  
Glueless interface to 8051-series micro  
controllers  
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Standard 4-Pin CD Interface  
Supports both Fast Page DRAM and EDO  
DRAM  
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16-bit Audio serial PCM output  
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Provides programmable I/O pins for system  
control  
Physical  
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On Screen Display  
TV timing generation  
User-programmable power-saving mode  
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Low power consumption: 0.5W at full speed  
operation  
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3.3V power supply  
100-pin plastic QFP  
System Operations  
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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 slow-  
motion, 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  
APPLICATIONS  
Following figure shows a typical configuration of  
VCD player with MP3 application.  
CD  
CD  
Module  
NTSC/PAL  
Encoder  
TV  
W9923QF  
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Stereo  
Audio  
W99132EX  
MCU  
Audio  
DAC  
Panel Control  
DRAM  
& User Interface  
Winbond Corporate Headquarters  
Tel: 886-3-5790666  
Fax: 886-3-5796139  
Taipei Sales Office  
Tel: 886-2-27190505  
Fax: 886-2-27197502  
Winbond Electronics North America Corp.  
Tel: 1-408-943666  
Fax: 1-408-9436668  
Winbond Electronics H.K. Ltd.  
Tel: 852-27513100  
Fax: 852-27552064  
Details are subject to change without notice. All trade marks are property of their respective holders.  
May 1999  

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