EA218E Datasheet | Zarlink Semiconductor Inc

Obsolescence Notice This product is obsolete. This information is available for your convenience only. For more information on Zarlink’s obsolete products and replacement product lists, please visit http://products.zarlink./obsolete_products/ P R E L I M I N A R Y I N F O R M A T I O N Distinctive Characteristics 8 10Mbps Ethernet Access Ports 9 Direct interface with 10Base T transceiver - 8-Port Ethernet Access Controller Xpress Flow 2020 Ethernet Routing Switch Chipset 0.5 micron 3.3 Volt CMOS process 352-BGA package Operating frequency 9 9 9 9 -33 -40 -50 -66 mum 33 MHz maximum 40 MHz maximum 50 MHz maximum 66.66 MHz maxi32 LOCAL BUFFER MEMORY XPRESSFLOW BUS MANAGEMENT BUS 16 32 EA-218E 8-Port Ethernet Access Controller Port Port Port Port Port Port Port Port 0 1 2 3 4 5 6 7 32-bit Local Buffer Memory Interface 9 9 Supports 128k to 1M bytes Utilize high performance 32-bit Synchronous Burst SRAM 10Base T Phyiscal Layer Transceiver Hardware assisted Buffer and Queue Management 16-bit Management Bus I/O Interface 9 9 9 Allows host to access Control Registers & Local Buffer Memory Big and Little Endian CPUs Direct interface to standard microprocessors, including 386, 486 families and Motorola MPC series embedded processors Uses Granule for frame transferring between Access Controllers 8 10Base T Ports Block Diagram EA218E 8-Port Ethernet Access Controller General Description The EA-218E provides eight 10Mbps Ethernet network access interface ports. The EA-218E provides the Ethernet MAC protocols, handles the local buffer memory interface and management, arbitrates among multiple priority queues, and interfaces with the Xpress Flow Engine and other Access Controllers through the Xpress Flow message passing protocol. 32-bit Xpress Flow Bus Interface 9 Unicast, multicast, and broadcast frames 9 Also detects IEEE 802.3X MAC Control frames Works together with SC-220 Xpress Flow Engine 9 9 Forwards frames at full line-rate Distributed Flow Caching™ to...