IXP45X datasheet(17/148 Pages) INTEL

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

August 2006

Datasheet

Document Number: 306261-004US

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

Figure 3.

Intel® IXP455 Network Processor Block Diagram

UART 1

921 KBaud

UART 0

921 KBaud

IBPMU

Interrupt

Controller

GPIO

Timers

USB Device

Version 1.1

SSP

I2C

16 GPIO

NPE A

NPE B

NPE C

AES/DES/SHA/

MD-5

HSS 0

HSS 1

UTOPIA 2/MII/SMII

MII/SMII

Intel XScale® Processor

32-Kbyte I-Cache

32-Kbyte D-Cache

2-Kbyte Mini D-Cache

Max speed = 533 MHz

DDRI Memory

Controller Unit

32 Bit

with no ECC

AHB/AHB

Bridge

PCI Controller

Expansion Bus

Controller

USB-Host

Controller V. 2.0

High-Speed is not

Supported

AHB Slave/

APB

Master

Bridge

South AHB 133.32 MHz x 32 bits

South AHB

Arbiter

North AHB

Arbiter

Master on South AHB

Master on North AHB

North AHB 133.32 MHz x 32 bits

Cryptography

Unit

Hardware RNG

Exponentiation Unit

32 bit at 33/66 MHz

8/16/32 bit + Parity

Bus Arbiters

Slave Only

AHB Slave / APB Master

B5024-002

Queue

Manager

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