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3 system configuration – NEC Network Controller uPD98502 User Manual

Page 24

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CHAPTER 1 INTRODUCTION

24

Preliminary User’s Manual S15543EJ1V0UM

1.3 System Configuration

The

µPD98502 can perform bridging and routing function between ADSL/ATM interface and USB/Ethernet

interface and provides this function in a single chip. By selecting user interface, examples of system configuration will

be realized as shown below. USB and Ethernet functions will exclusively operate each other.

Figure 1-1. Examples of the

µµµµPD98502 System Configuration

(a) ADSL MODEM

USB/PCI

PC

µ

PD98502

POTS

SPLITTER

ADSL

SDRAM

ADSL

PHY

FLASH

ADSL

AFE

(b) ADSL ROUTER

100B-T

PC

PC

µ

PD98502

MII

POTS

SPLITTER

ADSL

SDRAM

ADSL

PHY

Ethernet

PHY

HUB

FLASH

ADSL

AFE