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Intel
®
IXP43X Product Line of Network Processors
April 2007 HDG
Document Number: 316844; Revision: 001US 11
Hardware Design Guidelines—Intel
®
IXP43X Product Line of Network Processors
1.4 Overview
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
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
Table 1. List of Acronyms and Abbreviations (Sheet 2 of 2)
Term Explanation