CX2427X CONEXANT [Conexant Systems, Inc], CX2427X Datasheet

CX2427X

Manufacturer Part Number

CX2427X

Description

Dual Decode HDTV MPEG-2/H.264/VC-1 Video Decoder

Manufacturer

CONEXANT [Conexant Systems, Inc]

Datasheet

1.CX2427X.pdf (2 pages)

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07-2693

set-top box solutions

Satellite

Conexant Product Portfolio

The company’s broad portfolio of semiconductor products also includes client-side DSL and cable modem solutions, home network processors,

broadcast video encoders and decoders, digital set-top box components and systems solutions, and dial-up modems. In addition to its IEEE 802.11a/b/g-

compliant WLAN chipsets, software, and reference designs, Conexant offers a suite of networking components that includes solutions for applications

based on HomePlug

are used by service providers worldwide to deliver broadband data, voice, and video over copper telephone lines.

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.

any express or implied warranTies, including merchanTabiliTy, fiTness for a

parTicular purpose and non-infringemenT.

special, indirect, incidental or consequential damages as a result of its use.

and HomePNA™. Additional products include a complete line of asymmetric and symmetric DSL central office solutions, which

This maTerial is provided as is and wiThouT

Conexant shall not be liable for any

www.conexant.com

General Information:

U.S. and Canada: (888) 855-4562

International: (732) 345-7500

Headquarters

4000 MacArthur Blvd.

Newport Beach, CA 92660

Order# PRB-200960A

Dual Decode HDTV MPEG-2/H.264/VC-1

Video Decoder

CX2427x

Conexant’s portfolio includes a comprehensive suite of semiconductor

solutions for broadband communications and the digital home.

(PVR) applications, which can be deployed in digital satellite, cable, Telco or

The CX2427x family features a flexible, multi-program HDTV multi format video

decoder capable of decoding two HDTV programs simultaneously in any dual

stream combination of MPEG-2, H.264 and VC-1 formats. Three TV outputs

The dual multi-format audio decoder supports multiple audio format decoding,

controllers give ample processing power for advanced applications and future

expansion capability.

each of which is based on a dedicated RISC engine, with each supporting six

simultaneous transport streams (3 from baseband inputs and 3 from DMA

support for internal and external HDD attachments with 3DES/AES ciphering

engines for encryption of data to the HDD.

The CX2427x also features an impressive array of I/O features, including

dual USB 2.0 host controller with integrated Phys, an additional USB1.1

solution, dual integrated 10/100 Ethernet MAC with MII, PCI bus, HomePlug

connectivity via a high-speed UART and an integrated V.92 hardware modem.

The CX2427x fully supports cable applications when used in conjunction

OpenCable™ Cable CARDTM M-Card™ interface.

set-top box solutions

Satellite

Conexant’s CX2427x is a highly integrated, triple-display dual decode

MPEG-2/H.264/VC-1, DIRECTV/DVB compliant, back-end decoder IC solution

for high-definition digital TV systems with support for personal video recorder

terrestrial TV networks.

are supported, a primary HDTV display with simultaneous down-converted

SD output, plus an independent down-converted NTSCL/PAL SDTV output.

including MPEG-1, MPEG-2, Dolby

aacPlus™, WMA and WMA Pro. An integrated ARM1176 CPU with 128KByte

L2 cache supplying over 800 Dhrystone 1.2 MIPS at 666MHz, and a high

performance, unified memory, dual 667MHz 32-bit DDR-2 SDRAM memory

PVR functionality is supported by two multi-stream transport processors,

interfaces). Each transport processor unit also supports DVB, DES, AES or

Multi-II descrambling and contains hardware support for the NDS conditional

access system. The CX2427x integrates dual serial ATA2 controllers with

HDMI with HDCP , an integrated RF modulator, dual BTSC stereo encoders,

with the CX24450-CX24453 DOCSIS 2.0+ STB Front End IC, supporting an

Product of the Year Award Winner

Best Silicon Innovation

Digital, Dolby Digital+. MPEG-4 aac and

Distinguishing Features

• DVB/DIRECTV

• Three TV outputs, primary HDTV display with

• High-performance ARM1176 CPU with 128K L2 cache

• Dual PVR support with dual SATA-2/eSATA-2 interface

• Multiple OS support including Nucleus+, VxWorks,

• Dual video decoder with MPEG-2, H.264 and

• Dual advanced audio decoders with multiple audio

• Advanced security features including secure boot

• HDMI transmitter with HDCP content protection

• High performance de-interlacer with 480i or 1080i to

• Integrated V.92 hardware modem

• OpenCable M-Card support

part number CX2427x

description

for worldwide markets

simultaneous down-converted SD output, with

independent down-converted NTSCL/PAL SDTV output

providing 800+ DMIPS

Linux

VC-1 support

format support

software authentication, IC personalization via OTP

memory, SVP support and 3DES/AES ciphering engines

480p/720p conversion

and Windows

HDTV MPEG-2/H.264/VC-1

Video Decoders

compliant back-end HDTV decoder

Related parts for CX2427X

CX2427X Summary of contents

Page 1

... HDD attachments with 3DES/AES ciphering engines for encryption of data to the HDD. The CX2427x also features an impressive array of I/O features, including HDMI with HDCP , an integrated RF modulator, dual BTSC stereo encoders, dual USB 2.0 host controller with integrated Phys, an additional USB1.1 solution, dual integrated 10/100 Ethernet MAC with MII, PCI bus, HomePlug ® ...

Page 2

... Satellite For a complete HDTV hardware design, the only additional The CX2427x IC family is integrated into a fully engineered interactive TV STB reference development system that implements components required are a tuner, demodulator, modem DAA, third-party interactive middleware/real-time operating system double data rate (DDR-2) synchronous dynamic random access memory (SDRAM), and flash memory ICs ...

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