參數資料
型號: L64007
廠商: LSI CORP
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP160
封裝: PLASTIC, QFP-160
文件頁數: 112/166頁
文件大?。?/td> 1015K
代理商: L64007
Draft 1/16/97
L64007 MPEG-2, DVB, JSAT Transport Demultiplexer Technical Manual
1-5
PRE.4 for Rev. D
Copyright 1997 by LSI Logic Corporation. All rights reserved.
Figure 1.3 shows a typical implementation of the L64007 in a cable sys-
tem. This example uses either LSI Logic’s 16VSB Demodulator, or the
L64768 QAM Decoder in the front end, to demodulate the input signal
and generate the transport packet bit stream. All other components in
this cable implementation are the same as those in the satellite imple-
mentation (Figure 1.2).
Figure 1.3
Typical Cable
Set-Top Box Block
Diagram
Cable In
NTSC/PAL
S-Video
L-Speaker
R-Speaker
CPU
L64768
L64007
Tuner
PCM
256 K x 16
L64002
256 K x 64
DRAM
NTSC/PAL
Audio/Video PES
CCIR601 Video
PCM Audio
Encoder
Audio DAC
256 K x 32
High-speed
Optional
Port
8
16
8
3
VCXO
8/16
System Bus
8
8/16
64/32
8
QAM
Decoder
1/8
Audio Oversampling Clock
27 MHz
CPU Bus
Key:
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