PRIXP425BD datasheet(14/112 Pages) INTEL

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Intel® IXP42X Product Line and IXC1100 Control Plane Processor

Functional Overview

Datasheet

2.0

Functional Overview

The Intel® IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor are

compliant with the ARM* Version 5TE instruction-set architecture (ISA). The Intel® IXP42X

product line and IXC1100 control plane processors are designed with Intel state-of-the-art 0.18-µ

production semiconductor process technology. This process technology — along with the

compactness of the Intel XScale core, the ability to simultaneously process up to three integrated

network processing engines (NPEs), and numerous dedicated-function peripheral interfaces —

enables the IXP42X product line and IXC1100 control plane processors to operate over a wide

range of low-cost networking applications, with industry-leading performance.

As indicated in Figure 1 through Figure 4, the Intel® IXP42X product line and IXC1100 control

plane processors combine many features with the Intel XScale core to create a highly integrated

processor applicable to LAN/WAN-based networking applications in addition to other embedded

networking applications.

This section briefly describes the main features of the product. For detailed functional descriptions,

see the Intel® IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor

Developer’s Manual.

Figure 1.

Intel® IXP425 Network Processor Block Diagram

B1563-02

Media Independent Interface

UART

921Kbaud

Timers

Interrupt

Controller

USB

Controller

GPIO

Controller

UART

921Kbaud

PMU

(AHB)

Test Logic Unit

66 MHz Advanced Peripheral Bus

133 MHz Advanced

High-Performance Bus

Queue

Status

Bus

Bridge

Arbiter

Ethernet

NPE B

Ethernet MAC

SHA-1/MD5,

DES/3DES, AES

Queue

Manager

8 KB SRAM

PCI

Controller

Exp Bus

Controller

SDRAM

Controller

8 - 256 MB

Intel XScale® Core

266/400/533 MHz

32 KB Data Cache

32 KB Instruction Cache

2 KB Mini-Data Cache

Ethernet

NPE A

Ethernet MAC

WAN/Voice NPE

UTOPIA

(Max 24 xDSL PHYs)

AAL, HSS, HDLC

16 Pins

32-Bit

Utopia 2

HSS-W

HSS-V

16-Bit

JTAG

32-Bit

133 MHz Advanced High-

Performance Bus

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