IXP42X datasheet(9/112 Pages) INTEL

9 / 112 page

Intel® IXP42X Product Line and IXC1100 Control Plane Processor

Product Features

Datasheet

1.0

Product Features

1.1

Product Line Features

Table 1 on page 12 describes which features apply to the Intel® IXP42X Product Line of Network

Processors and IXC1100 Control Plane Processor.

• Intel XScale® Core (compliant with ARM* architecture)

— High-performance processor based on Intel XScale® Microarchitecture

— Seven/eight-stage Intel® Super-Pipelined RISC Technology

— Management unit

• 32-entry, data memory management unit

• 32-entry, instruction memory management unit

• 32-Kbyte, 32-way, set associative instruction cache

• 32-Kbyte, 32-way, set associative data cache

• 2-Kbyte, two-way, set associative mini-data cache

• 128-entry, branch target buffer

• Eight-entry write buffer

• Four-entry fill and pend buffers

— Clock speeds:

•266 MHz

•400 MHz

•533 MHz

—ARM* Version V5TE Compliant

—Intel® Media Processing Technology

Multiply-accumulate coprocessor

— Debug unit

Accessible through JTAG port

• Three network processor engines (NPEs)

Used to offload typical Layer-2 networking functions such as:

— Ethernet filtering

—ATM SARing

— HDLC

• PCI interface

— 32-bit interface

— Selectable clock

• 33-MHz clock output

• 0- to 66-MHz clock input

— PCI Local Bus Specification, Rev. 2.2 compatible

IXP42X Datasheet(PDF) 9 Page - Intel Corporation