F e a t u r e s

■ 175 MHz/227 MIPS 4Kc CPU with an embedded cache, 8K-byte

I-cache and 8K D-cache

■ An embedded memory management unit (MMU) 32-entry TLB

(Translation Lookaside Buffer), with 16 organized entry pairs

■ IEEE 802.3 Fast Ethernet 5 auto-MDIX (auto-crossover) twisted

paired LAN interfaces with embedded 10/100M PHY and 1 MII

interface

■ Flexible WAN port selection and embedded

switch engine and Data-buffer/Addresslook-

up table

■ Look-up table (read/write-able)

■ MAC layer security and MAC clone

■ MAC filtering, Bandwidth control and a

Class of Services (CoS) with two priority

levels

■ Shared dynamic data buffer management

with embedded SSRAM

■ Port grouping VLAN (overlap-able)

■ Supports store & forward

S o f t w a r e F e a t u r e s

■ Linux OS support

■ IEEE 802.3 Ethernet Driver and RS232

Driver for Console User Interface

■ DHCP Server/Client, PPP over Ethernet

(PPPoE), Network Address Translation

(NAT) for IP Address

Mapping/Sharing/Security

■ DNS Proxy, Simple Network Time Protocol

(SNTP) and Firewall

P h y s i c a l C h a r a c t e r i s t i c s

■ CSM CMOS, 0.18 1P5M

■ 208-pin LQFP package

■ 1.8/3.3 V Variable Voltage