3 system configuration – NEC Network Controller uPD98502 User Manual
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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