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CX24430 데이터시트 PDF




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부품번호 CX24430 기능
기능 Interactive Cable TV Decoder IC
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CX24430 데이터시트, 핀배열, 회로
Set-Top Box Solutions
Cable
www.DataSheet4U.com
Interactive Cable TV Decoder IC
CX24430/1/2/3
Conexant‘s highly integrated, single IC,
MPEG-2/DVB-compliant, decoder/transceiver
solution for digital cable television receivers
Conexant’s broadband communications portfolio includes a
comprehensive suite of semiconductor solutions that enable the
digital home and information network. Adding to this impressive line
up are the CX24430/1 and CX24432/3 Interactive Cable TV Decoder
ICs. These highly-integrated products combine a high-speed broadband
cable modem and an interactive TV broadcast service decoder onto a
single chip. It is a breakthrough in IC integration that will allow set-top
box manufacturers to offer advanced, fully-interactive broadband home
gateways or other set-top appliances for the price of an entry-level
product that only receives TV broadcasts. The CX24431/3 versions
support NDS Videoguard® conditional access technology.
The CX24430/2 ICs combine the industry’s highest performance
DOCSIS® cable modem with the company’s third generation interactive
TV decoder technology. This new platform optimizes performance by
partitioning cable modem tasks between a dedicated 32-bit ARM940T
processor and programmable software MAC. At the same time, digital
TV broadcast service decoding and set-top box interactive applications
are hosted by a second, dedicated high performance 275MIPS main
system processor. The cable modem section of the device also allows
for narrowband interactivity based on DAVIC 1.2 and 1.5 as well as the
DVS 178 and DVS 167 specifications.
CX24430/1/2/3 Distinguishing Features
• Cable modem compliant with
DOCSIS®/ EuroDOCSIS™1.0/1.1,
DVS 178, DVS 167 and DVB
• MPEG-2 Digital TV broadcast
decoder system
• Worldwide NTSC/PAL/SECAM
TV encoder
• Dual CPU architecture delivering
500+ aggregate MIPS
• Dual tuner PVR support
• High-performance, IP packet bridging
to Ethernet, USB and internal CPU
• Advanced 2D graphics rendering
• OpenCable™ compliant
• QPSK out-of-band receiver
and a QPSK/16-QAM upstream
burst modulator
Part Number CX24430/1/2/3
Description Interactive Cable TV Decoder IC




CX24430 pdf, 반도체, 판매, 대치품
Set-Top Box Solutions
Cable
CX24430/1/2/3 Features
• MPEG-2 MP@ML Video Decoder
• MPEG-1, MPEG-2 Audio Decoder
• Dolby Digital Decoder
• 32-bit ARM920T Main System CPU
• TV Encoder
• Multi-standard, Multi-streamTransport Demultiplexing
• Multi-Plane Video/Graphics Display Controller
• Advanced 2D Graphics Accelerator
• PCM Audio I/O
www.DataSheet4U.com
• OpenCable POD Interface
• Peripheral I/O Interfaces
• 32-bit ARM940T Cable Modem Host CPU
• Cable Modem MAC
• Ethernet MAC
• Cable Modem Downstream PHY
• Cable Modem Upstream PHY
• DVS 178 Downstream PHY
Broadcast
Tuner
Data
Tuner
Ethernet
PHY
x16
Cable Modem
SDRAM
x32
STB
SDRAM Peripheral I/O
CX24430/1
Audio
DACs
1394 Link
and PHY
Composite
S-Video
RGB
“F”
LR
1394
S/PDIF
USB
FLASH EEPROM
Hard disk
interface
CX24430/1 System Diagram
© 2003, Conexant Systems, Inc. All Rights Reserved. Conexant and the Conexant
logo are registered trademarks of Conexant Systems, Inc. All other trademarks
are owned by their respective owners. Although Conexant strives for accuracy
in all its publications, this material may contain errors or omissions and is
subject to change without notice. THIS MATERIAL IS PROVIDED AS IS AND WITHOUT
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NON-INFRINGEMENT. Conexant shall not be liable for any
special, indirect, incidental or consequential damages as a result of its use.
www.conexant.com
General Information:
U.S. and Canada: (800) 854-8099
International: (949) 483-6996
Headquarters – Newport Beach
4311 Jamboree Rd, P.O. Box C
Newport Beach, CA 92660-3095
Order# 101991B
03-0855

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