IXP45X datasheet(16/148 Pages) INTEL

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Intel® IXP45X and Intel® IXP46X Product Line of Network Processors—Datasheet

Intel® IXP45X and Intel® IXP46X Product Line of Network Processors

Datasheet

August 2006

Document Number: 306261-004US

Figure 2.

Intel® IXP460 Network Processor Block Diagram

UART 1

921 Kbaud

UART 0

921 Kbaud

PMU

Interrupt

Controller

GPIO

Timers

IEEE 1588

USB Device

Version 1.1

SSP

I2C

16 GPIO

NPE B

NPE C

MII/SMII

Intel XScale® Processor

32-Kbyte I-Cache

32-Kbyte D-Cache

2-Kbyte Mini D-Cache

DDRI Memory

Controller Unit

32 Bit + ECC

AHB/AHB

Bridge

PCI Controller

Expansion Bus

Controller

USB-Host

Controller

Version 2.0

Queue

Manager

AHB Slave/

APB

Master

Bridge

South AHB 133 MHz x 32 bits

South AHB

Arbiter

North AHB

Arbiter

Master on South AHB

Master on North AHB

North AHB 133MHz x 32 bits

Public Key

Exchange Crypto

Engine

• AHB-PKE Bridge

• Random Number

Generator (RNG)

• Exponentiation

Acceleration Unit (EAU)

• Secure Hash Algorithm

Unit (SHA)

32 bit at 33/66 MHz

16/32 bit + Parity

Bus Arbiters

Slave Only

AHB Slave / APB Master

B4822-02

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