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Intel
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IXP45X and Intel
®
IXP46X Product Line of Network Processors—Introduction
Intel
®
IXP45X and Intel
®
IXP46X Product Line of Network Processors
HDD December 2006
12 Document Number: 305261; Revision: 004
• 32-bit PCI interface Master/Target 33/66 MHz
• Device Universal Serial Bus (USB) Controller
• Host Universal Serial Bus (USB) Controller
• DDRI-266 SDRAM (133-MHz Clock, 266-Mbps per data line) — User-enabled ECC,
supports up to 1 Gbyte of external memory
• 32-bit Expansion Bus Interface — Master/Target interface
•Two UART ports
• Up to three Ethernet ports (consult device part number for enabled features) MII/
SMII
• Up to three NPEs
•UTOPIA Level 2 Interface
• Synchronous Serial Port Interface (SSP)
• Two High-Speed Serial Port Interfaces (HSS)
• Inter-Integrated Circuit (IIC or I2C) Interface
• 16 GPIO (General Purpose Input Output)
•Packaging
—544-pin PBGA package
— Commercial temperature (0° to +70° C)
— Extended temperature (-40° to +85° C)
For a complete features list and block diagram description, see the Intel
®
IXP45X and
Intel
®
IXP46X Product Line of Network Processors Datasheet.
Note: Some features require Intel-supplied software. To determine if a feature is enabled in a
particular software release, refer to the Intel
®
IXP400 Software Specification Update.
A block diagram of all major internal hardware components of the IXP465 network
processor is given in Figure 1. The illustration also shows how the components
interface with each other through the various bus interfaces such as the North AHB,
South AHB, and APB.