Datasheet > CX22490

CX22490

更新时间： 2024-01-24 10:40:28

品牌	Logo	应用领域
科胜讯 - CONEXANT		解码器电视
页数	文件大小	规格书
4页	355K
描述
lnteractive TV Decoders

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技术参数
数据手册

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CX22490 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	unknown
风险等级：	5.78	Base Number Matches：	1

CX22490 数据手册

d i g i t a l i n f o t a i n m e n t p r o d u c t s

lnteractive TV Decoders

CX22490/22496

Single-Chip Interactive TV Solutions

Conexant’s interactive TV decoder products provide complete

system solutions for the core electronics of high-performance set top

boxes deployed in digital satellite, cable or terrestrial TV networks.

The CX22490 and CX22496 offer an advanced, embedded 32-bit RISC

CPU, an MPEG-2 audio/video decoder and 2D graphics performance.

This combination enables consumer electronics manufacturers to

build low-cost digital TV set top boxes to support a wide range of

advanced, interactive, consumer entertainment services.

Distinguishing Features

CX22490/22496-based set top box system

• MPEG-2 A/V decoding, Dolby Digital decoding

• Dedicated RISC-based transport

stream processor

The CX22490 and CX22491 combine an MP@ML MPEG-2 video

decoder, a digital audio decoder, a programmable MPEG-2/DVB/

ATSC/DSS transport stream demultiplexer, a high-speed 2D graphics

rendering engine, and an advanced display compositing engine with

a high-performance, embedded 32-bit 175 MIPS ARM940T RISC

processor and integrated peripheral I/O ports. These second-

generation interactive TV decoders share a common core feature

set. The CX22490 adds USB and IDE multiword DMA support to the

core features, while the CX22496 adds NDS CA hardware support.

• High-performance 32-bit 175 MIPS integrated

CPU (ARM940T)

• High-performance 2D graphics

rendering acceleration

• Multiplane video/graphics compositing

and display engine

• High-performance unified memory

controller architecture

• Full suite of set top peripheral I/O

interface controllers

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与CX22490相关器件

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