Intel IXP43X manual Overview, List of Acronyms and Abbreviations Sheet 2

Hardware Design Guidelines—Intel®IXP43X Product Line of Network Processors

Table 1. List of Acronyms and Abbreviations (Sheet 2 of 2)

Term	Explanation
PMU	Performance Monitoring Unit
SME	Small-to-Medium Enterprise
SSP	Synchronous Serial Protocol
UART	Universal Asynchronous Receiver-Transmitter
USB	Universal Serial Bus
VTT	Termination Voltage Supply

1.4Overview

The Intel® IXP43X Product Line of Network Processors is a highly integrated device, capable of interfacing with most common industry standard peripherals, required for high-performance control applications.

Note: This document discusses all features supported on the IXP43X network processors. Refer to the Intel® IXP43X Product Line of Network Processors Datasheet for details on feature support listed by processor.

Some of the key features of the IXP43X 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

•32-bit PCI interface Master/Target 33 MHz

•Two Universal Serial Bus (USB) V2.0 Host Controller

•DDRI-266 SDRAM or DDRII-400 SDRAM—

—Support for 16 MB, minimum for DDR II/I, 32 MB minimum for DDRII-400; 1 GB, maximum for DDR II/I, 512 MBs maximum for DDRII-400

—User-enabled ECC.

•16bit Data / 24bit Address Expansion Bus Interface

•One UART interface

•Two NPEs

•UTOPIA Level 2 Interface

•Synchronous Serial Port Interface (SSP)

•One High-Speed Serial Port Interfaces (HSS)

•Network interfaces that can be configured in the following manner: Note 1

—Two MII interfaces

—One MII interface + 1 UTOPIA Level 2 interface

•MII interfaces are: Note 1

—802.3 MII interfaces

—Single MDIO interface to control the MII interfaces

•UTOPIA Level 2 Interface is: Note 1

—Eight-bit interface

—Up to 33-MHz clock speed

—Five transmit and five receive address lines

	Intel® IXP43X Product Line of Network Processors
April 2007	HDG
Document Number: 316844; Revision: 001US	11