參數(shù)資料
型號： L64222
廠商： LSI CORP
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP208
封裝： PLASTIC, QFP-208
文件頁數(shù)： 28/32頁
文件大?。?/td> 248K
代理商： L64222
L64222 DVD Audio/Video Decoder
5
Figure 2
L64222 Decoder Block Diagram
Video Interface
The Video Interface includes:
the Display Controller.
postprocessing lters.
the Subpicture Unit (SPU) and On Screen Display (OSD) mixers.
an NTSC/PAL encoder and video DAC.
The NTSC/PAL encoder and video DAC can be bypassed and external
units used.
Postprocessing Filters
Images with resolutions below 720 x 480 pixels are interpolated to full
size using on-chip lters. This allows programming produced at different
resolutions to be decoded and displayed on televisions with standard
Host
Micro-
64-bit
Address
DCK (Channel Clock)
L64222 Decoder
Interface
Video
Decoder
Video Interface
SDRAM Buffers and
Frame Stores
SPU
Data Bus
Bus
Analog
I/O
Control
Audio
S/P DIF
Out
Decoder
CH_DATA[7:0]
Memory
Interface
Channel
Interface
CSS/
CD Data
To
Channel
Interface
and Clocks In
CSS2
Module
controller
Status
Control
and
Address
Buses
Data and
NTSC/
PAL
Enc.
Video
DAC
Video
Digital
Video
4
Post
Processor
Audio
DAC
A/D
Conv
MIC In
Audio Decoder
Clock In
Digital
Audio
Analog
Audio
DAC
Clocks
4*
2
* Two audio channels
per output
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