Gateway Solutions Link Street™ Integrated Gateway Router with Multi-Port QoS Switch 88E6218 PRODUCT OVERVIEW The Marvell¨ Link Streetª family of highly integrated gateway router devices provides a superior level of functionality and performance for residential gateway applications. The Link Street 88E6218 device is an advanced single-chip gateway router device integrating a high-performance CPU for wire-speed routing, an advanced switching fabric with Quality of Service (QoS) support, Þve integrated Fast Ethernet (FE) PHYs, one MII port, a UART for debugging and modem backup, and advanced Virtual Cable Tester ª (VCT) cable diagnostics. The 88E6218 device is an ideal solution for residential gateway applications. 802.3 UniMACª Data SRAM 8KB Tightly Coupled DSP Internal Interconnect Controller Flash Memory SDRAM & Flash Interface I-Cache D-Cache JTAG Interface ARM-9E uP Timers & Interrupts UART SMI MII 200 Mbps Queue Controller SRAM 1 Mb Packet Buffer & MAC Address UART Interface MAC Address Look-up GPIO/ LEDs Serial Control Enhanced 88E6052 Switch with Four Priorty QoS + MACs + SRAM SMI SDRAM MII/SNI MII/SNI 200 Mbps FE PHY Port 0 Cu or Fiber 10/100 FE PHY Port 1 10/100 FE PHY Port 2 10/100 FE PHY Port 3 10/100 FE PHY Port 4 10/100 4-wire Interface Serial EEPROM Figure 1. Link Street 88E6218 Internal Block Diagram FEATURES BENEFITS ¥ Single-chip integration of a high-performance CPU, multi-port switch with PHYs, peripheral I/O ports and VCT technology ¥ Provides a low-cost and full-featured solution for Small OfÞce/Home OfÞce (SOHO) routers ¥ ARM-9E CPU at up to 150 MHz clock frequency ¥ High-performance CPU with optimized internal caches for wire-speed routing throughput ¥ Five integrated FE PHY ports and one MII port Ð Auto-MDI/MDIX crossover for 100BASE-TX and 10BASE-T ports Ð One FE PHY port can be conÞgured for copper (100BASE-TX or 10BASE-T) or Þber (100BASE-FX) connections Ð MII Interface supports both MAC Mode (Forward MII) or PHY Mode (Reverse MII), 7-wire SNI, or Reduced MII (RMII) ¥ Virtual Cable Tester (VCT) technology Ð SimpliÞes and reduces cost of networking installation and reduces costly phone calls to equipment manufacturersÕ support centers Ð Supports both copper and Þber connections with the integrated Marvell Alaska¨ digital PHY technology for market-leading network reach Ð Provides design ßexibility for connections to CPUs or external PHYs ¥ Advanced cable integrity diagnostics helps customers determine location of cable opens, shorts and impedance mismatch ¥ Reduces costly phone calls to equipment manufacturersÕ support centers Link Street™ Integrated Gateway Router FEATURES BENEFITS ¥ UART port ¥ UART port can be used for console management or for WAN link backup via an external modem ¥ Provides true non-blocking switching performance Ð Supports a large number of Ethernet nodes Ð Ideal for supporting prioritized packet streams for time critical and multimedia trafÞc Ð Supports port based VLAN to allow suppression or addition of VLAN group membership to provide ßexible management by IT managers ¥ Eliminates expensive heat sinks or fans and permits the use of low-cost and small enclosures ¥ High-speed switch fabric with QoS support Ð High-performance lookup engine with support for up to 2,048 MAC address entries with automatic learning and aging Ð Four priority queues supporting IEEE 802.1p, IPv4 Type of Service (ToS) and Differentiated Service (DiffServ), and IPv6 TrafÞc Class priority assignments Ð Port-based VLANs supported in any combination ¥ CMOS low power dissipation PAVE = Less than 1.5W APPLICATIONS The Link Street family of products provides industry-leading functionality for advanced gateway routers. The Link Street 88E6218 deviceÕs higher integration allows OEM and ODMs to deliver strong SOHO networking features and performance at entry-level prices in a small footprint. The ßexibility of the 88E6218 device comes from its conÞguration options and integration. The device integrates a high-performance CPU for wire-speed routing of network packets. Figure 2 shows the 88E6218 device in a residential gateway router application. DSL/Cable Modem PHY WAN/LAN Cu/Fiber 10/100 Gateway/Router + Switch (88E6218) FE PHY SDRAM Flash Memory Memory Controllers DSP Serial EEPROM UART Serial Port FE PHY Workstation FE PHY PC FE PHY IP Telephone FE PHY Laptop Computer EEPROM Interface UART MII Figure 2. Link Street 88E6218 Gateway Router System Block Diagram MarvellÕs worldwide Þeld applications engineers collaborate closely with network equipment vendors to develop and deliver new competitive products to market on time. All Marvell products, including the Link Street 88E6218 integrated gateway router, are supported by a complete set of hardware and software tools to assist network hardware engineers with product evaluation. THE MARVELL ADVANTAGE: For more information, visit our website at www.marvell.com. Marvell Semiconductor, Inc. 700 First Avenue Sunnyvale, CA 94089 Phone 408.222.2500 www.marvell.com Copyright © 2003. Marvell. All rights reserved. Marvell, the Marvell logo, Moving Forward Faster, Alaska, and GalNet are registered trademarks of Marvell. Discovery, Fastwriter, GalTis, Horizon, Libertas, Link Street, NetGX, PHY Advantage, Prestera, Raising The Technology Bar, UniMAC, Virtual Cable Tester, and Yukon are trademarks of Marvell. All other trademarks are the property of their respective owners. 88E6218-001 01/03