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Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors
December 2006 HDD
Document Number: 305261; Revision: 004 11
Introduction—Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors
1.3 Acronyms and Abbreviations
Table 1 lists the acronyms and abbreviations used in this guide.
1.4 Overview
The IXP45X/IXP46X network processors are highly integrated devices, capable of
interfacing with most common industry standard peripherals, required for high-
performance control applications.
Note: This document discusses all features supported on the Intel
®
IXP465 Network
Processor. A subset of these features is supported by certain processors in the IXP45X/
IXP46X product line, such as the Intel
®
IXP460 or Intel
®
IXP455 network processors.
For details on feature support listed by processor, see the Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors Datasheet.
Some of the key features of the IXP45X/IXP46X network processors, when used as a
single-chip solution for embedded applications, are as follows:
•Intel XScale
®
Processor (compliant with Intel
®
StrongARM
*
architecture) — Up to
667 MHz
Table 1. List of Acronyms and Abbreviations
Term Explanation
AHB Advanced High-Performance Bus
APB Advanced Peripheral Bus
ATM Asynchronous Transfer Mode
DDR Double Data Rate
EMI Electro-Magnetic Interference
GPIO General Purpose Input/Output
HSS High Speed Serial
I2C Inter-Integrated Circuit
IP Internet Protocol
ISA Instruction Set Architecture
LAN Local Area Network
MII Media-Independent Interface
NPE Network Processor Engine
PCB Printed Circuit Board
PCI Peripheral Component Interface
PHY Physical Layer Interface
PLL Phase-Locked Loop
PMU Performance Monitoring Unit
SDRAM Synchronous Dynamic Random Access Memory
SME Small-to-Medium Enterprise
SMII Serial Media-Independent Interface
SSP Synchronous Serial Protocol
UART Universal Asynchronous Receiver-Transmitter
USB Universal Serial Bus
VTT Termination Voltage Supply