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參數(shù)資料
| 型號(hào)： | L64222 |
| 廠商： | LSI CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP208 |
| 封裝： | PLASTIC, QFP-208 |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 248K |
| 代理商： | L64222 |
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October 1999
1
Copyright 1999 by LSI Logic Corporation. All rights reserved.
L64222
DVD Audio/Video Decoder
Preliminary Datasheet
The L64222 DVD Audio/Video Decoder combines high integration and
low cost in a single chip design that delivers quality and performance for
DVD systems. The LSI Logic integrated MPEG-2, Dolby Digital core
provides full support for both consumer-based DVD players and DVD PC
applications. Backward compatible with both existing CD-ROM and Video
CD formats, the L64222 enables designers to develop low-cost next
generation DVD systems.
The L64222 extends the the capabilities of LSI Logic market-proven
MPEG-2 decoders by a redesign of the audio circuits to permit them to
handle most audio bitstream formats by simply downloading software.
The L64222 also contains an NTSC/PAL encoder, a quad video DAC,
analog audio inputs for karaoke, and a 2-channel DAC for low-cost audio
systems. The integrated CSS and CSS2 modules provide secure
authentication and descrambling of protected DVD Disc contents. At the
same time, the L64222 maintains low processor overhead and low
system cost.
The L64222 DVD A/V Decoder receives coded audio, video, and private
data to produce decoded audio/video output with subpicture graphics
overlay. LSI Logic has optimized the input/output interfaces for low-cost
integration into any number of DVD system architectures. The block
diagram in Figure 1 illustrates an L64222 DVD system implementation.
Figure 1
DVD System Block Diagram
L64222
Audio
DACs
16-Mbit
SDRAM
Baseband
Video
DVD
Source
S/P DIF
Drive Unit
Motor
Spindle
Power Amp
Pickup
DSP
Processor
Channel
Control
Demodulator
ECC
4-Mbit
DRAM
Host CPU
Host Interface Bus
Decoder
Analog
Audio In
8-Channel
Audio
2-Channel
Analog Audio
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