描述 Description

GENERAL DESCRIPTION
The W9922QF is a high performance single-chip DVD decoder. It performs real-time decompression of
ISO/IEC-11172 MPEG1 and 13818 MPEG2 streams, including system/ program layer, audio and video data.
It incorporates an 8-bit/16-bit host interface and a configurable parallel DVD/CD interface. Also, its
versatile features help to build high-quality and cost-effective standalone DVD or SVCD Player.FEATURES
System
· MPEG 1 system and MPEG2 program/audio/video decoding and synchronization
· DVD/SVCD/VCD/CD compatibility
· Configurable parallel DVD interface
· Standard 4-Pin CD Interface
· Standard ATAPI/IDE interface
· Supports input data Rate up to 20 Mbps
· 8051 or general 16-bit processor interface
· Supports 1M ′ 16 bit SDRAM
· High quality error concealment
· Decrypts DVD CSS
· Supports trick playback commands
· Power management mode

Audio Decoding
· Decodes MPEG2, MPEG1 Audio (layer 1, 2)
· Decodes Dolby Digitalò AC-3 5.1-channel and down mixing to 2-channel
· Supports Linear PCM, CD-DA audio
· Outputs serial PCM audio data with 16, 18, 20 and 24 bits resolution
· Supports sampling rate at 16, 22.05, 24, 32, 44.1, 48, 96 KHz
· Supports Karaoke function, vocal or guide melody channel, key-shift
· S/PDIF outputs meet IEC958 specs
· Digital mute control and volume adjustment

Video Decoding
· Decodes MPEG2 MP@ML, MPEG1 video bitstreams
· Decode DVD, SVCD (D1, 2/3 D1, 1/2 D1), VCD
· Supports 720 ′ 480 at 30 Hz and 720 ′ 576 at 25 Hz
· Supports 8 bits YCbCr
· On-chip TV, NTSC/PAL, timing generator
· DVD sub-picture and highlight processing
· Supports SVCD OGT functions
· Supports aspect ratios in 16:9 and 4:3 TV, by Pan & Scan and Letter Box conversion
· Frame rate conversion
· Video digest functions
· Horizontal and vertical scaling
· BrightViewò (g-correction), Normal, Bright, Soft
· Flexible zooming, x1/4, x1/2 to x2, x4
· Fade in/out control
· OSD 2/4/8-bit per pixel with Alpha-blending, translucency, transparency
· OSD Run-length encoding at 8bits
· Full screen OSDPhysical
· 3.3 Volt operation with input 5 Volt
· 160-pin PQFP

APPLICATIONS
Following figure shows a typical configuration of DVD player application.