W9923QF VCD Decoder with MP3 GENERAL DESCRIPTION The W9923QF is a high performance single-chip VCD decoder with MP3 playback feature. It performs real-time decompression of ISO/IEC11172 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. Audio Processing Decodes MPEG1 (layer-1, 2, 3) stereo channel audio l Provides voice cancellation mode for the purpose to remove the voice component in Karaoke titles l Provides key control functions for Karaoke applications l Supports 3D and surround sound processing l Digital volume control and various channel selection modes both in MPEG and CDDA playback l 16-bit Audio serial PCM output l FEATURES Integration MPEG-1 system/audio/video decoding and synchronization l CD-ROM decoding l Glueless interface to 8051-series micro controllers l Standard 4-Pin CD Interface l Supports both Fast Page DRAM and EDO DRAM l Provides programmable I/O pins for system control l On Screen Display l TV timing generation l User-programmable power-saving mode l Physical l Low power consumption: 0.5W at full speed operation l 3.3V power supply l 100-pin plastic QFP System Operations Fully supports MP3 in ISO9660 CD format, VCD2.0, VCD1.1, Karaoke CD, CD-I FMV, and CDDA titles l Digest function, provides quick overviews of contents in one disc or among discs, with audio output l Versatile playback commands, including slowmotion, scan, pause, single frame, video clipping, freeze, and stop l Provides fast forward play incorporating with speed-up audio l Enhanced error recovery algorithms to overcome disc scratches and CD-drive errors l Write/read pictures via host, allows writing Logos on display or capturing pictures from titles l Winbond Corporate Headquarters Tel: 886-3-5790666 Fax: 886-3-5796139 Video Processing High quality video output of still pictures (704x480 or 704x576) with only 4M DRAM l Provides vertical scaling which allows full screen display of 240 (480)-line sources on PAL systems l Provides filters to enhance image quality for SIF format data on full screen display l User-programmable fade-in, fade-out effects and adjustable brightness l 8-bit YCbCr video output l Taipei Sales Office Tel: 886-2-27190505 Fax: 886-2-27197502 APPLICATIONS Following figure shows a typical configuration of VCD player with MP3 application. CD CD Module NTSC/PAL Encoder TV W9923QF W99132EX MCU Panel Control & User Interface Audio DAC DRAM Winbond Electronics North America Corp. Tel: 1-408-943666 Fax: 1-408-9436668 Details are subject to change without notice. All trade marks are property of their respective holders. Stereo Audio Winbond Electronics H.K. Ltd. Tel: 852-27513100 Fax: 852-27552064 May 1999