GWIXP425ACT 데이터 시트보기 (PDF) - Intel

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GWIXP425ACT

Intel® IXP425 Network Processor Family Optimized for Broadband Applications

Intel 

Highly-integrated Data, Voice, and

Security Functionality

On-chip integration of data, voice, and security functions

saves the cost of implementing separate devices and

supports easier integration with other hardware. Integrated

into the Intel XScale core are multiply and accumulate

functions that give customers the ability to do multimedia

processing without the need for external hardware. For

example, in a voice application, the Intel XScale core can

perform a wide variety of speech coding and telephony

algorithms without the need for an external DSP chip. In

addition, the network processors integrate two 10/100

Base-T Ethernet MACs with MII/RMII interface and simul-

taneous full-duplex operation. To further reduce the total

solution chip count, a SDRAM controller has been inte-

grated along with peripheral functions that include interrupt

controller, GPIO port, UART, watchdog timer and general-

purpose timers. A USB version 1.1 device controller is

integrated for those applications that require USB sup-

port. The Intel IXP425 network processors also provide

hardware acceleration for security applications. These

chips implement, in hardware, DES and 3DES data

encryption algorithms as well as SHA-1 and MD5

hashing algorithms typically used in VPN applications.

A direct connection to DSP chips and flash memory is

achieved through the expansion bus interface. By

integrating more functionality, Intel is reducing the total

solution chip count and cost for broadband applications.

Broad Range of LAN and WAN Capabilities

The Intel IXP425 network processors offer a full range of

broadband and LAN access solutions through multiple

integrated interfaces. Through the UTOPIA 2 interface,

there is performance to support up to eight ADSL PHYs,

eight G.SHDSL PHYs or one VDSL PHY. The PCI ver-

sion 2.2 Host and Option interface gives customers the

flexibility to directly connect such devices as 802.11x

Features

s Four high-performance processors in a distributed

processing architecture

s Highly-integrated data/voice/security functions

s Broad range of WAN/LAN capabilities

s Development Platform

s Commercial and Extended temperature options

chips, PCMCIA controllers, Ethernet MACs, and cable

MAC/PHYs. These network processors also feature

two high-speed serial interfaces. These interfaces can

serve as high-speed ports for direct connection to

T1/E1 framers or to industry-standard SLIC/CODECS.

Choice of Tools and Operating Systems Supports

Rapid Development

The Intel XScale microarchitecture offers a broad range

of tools together with support for two widely adopted

operating systems. The Intel IXP425 network processors

support VxWorks and the standard Linux 2.4 kernal.

MontaVista Software* will provide the support for Linux.

To help speed time-to-market and reduce development

costs, developers will have a wide choice of third-party

tools, including compilers, linkers, debuggers and

board support packages (BSPs). Tools include Wind

River* Tornado* 2.1.1 for the VxWorks 5.4 real-time

operating system, and the complete GNU* Linux

development suite.

Development Platform For Faster Time-to-Market

The Intel® IXDP425 Network Processor Development

Platform is a powerful tool for developing and verifying

hardware and software for the Intel IXP425 network

processors. Developers can use this flexible and extend-

able platform to conduct rapid initial chip evaluation,

chip performance evaluation, product development

and prototyping. For additional information, refer to the

Intel IXDP425 Development Platform product brief.

Benefits

s Wire-speed performance; Able to offer rich data,

voice and security services

s Reduced chip count; Cost savings;

Simplified design

s Flexibility; Common architecture for multiple platforms

s Faster time-to-market

s Flexibility

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