Broadcom BCM5722 - Introduction; Section 2: Introduction

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BCM5722 Programmer’s Guide

10/15/07

Broadcom Corporation

Page 5 Introduction Document 5722-PG101-R

Section 2: Introduction

INTRODUCTION

The BCM5722 NetXtreme and NetLink family of Media Access Controller (MAC) devices are highly-integrated, single-chip

gigabit Ethernet LAN controller solutions for high-performance network applications. The above devices integrate the

following major functions to provide a single-chip solution for gigabit LAN-on-motherboard (LOM) and network interface card

(NIC) applications. BCM5906 and BCM5906M are 10/100-Mbps devices only.

• Triple-speed IEEE 802.3-compliant MAC functionality

• Triple-speed IEEE 802.3-compliant Ethernet PHY transceiver

• PCI Express

(PCIe™) bus interface

• On-chip packet buffer memory

• On-chip RISC processor for custom frame processing (not applicable to BCM5906)

• SMBus interface for Alert Standard Format (ASF) version 2.0 support (not applicable to BCM5906)

• The BCM5755 and BCM5755M MACs also support the integrated Trusted Platform Module (TPM) security engine

compliant with the Trusted Computing Group™ main specification version 1.2, and low pin-count interface support.