W9923QF Datasheet | Winbond

DESCRIPTION The W9923QF is a high performance single-chip VCD decoder with MP3 playback feature . It performs real-time depression 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 patible to the well-known VCD decoder, the W9925QF. 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 YCb Cr video output l FEATURES l 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 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 mands, 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 overe disc scratches and CD-drive errors l Write/read pictures via host, allows writing Logos on display or capturing pictures from titles l Audio Processing Decodes MPEG1 (layer-1, 2, 3) stereo channel audio l Provides voice cancellation mode for the purpose to remove the voice ponent in Karaoke titles l...