AL103

www.DataSheet4U.com AL103 Revision 1.0 8 PORT LOW COST 10/100 SWITCH Supports 8 10/100 Mbit/s MII ports Capable of trunking up to 800 Mbit/s link Trunk fail-over feature Full- and half-duplex mode operation Speed auto-negotiation through MDIO Built-in storage of 1K MAC addresses Design to utilize low-cost SGRAM Serial EEPROM interface for low-cost system configuration Automatic source address learning Secure mode traffic filtering Broadcast storm control Port monitoring support IEEE 802.3x flow control for full-duplex operation Optional backpressure flow control support for half-duplex operation Supports store-and-forward mode switching VLAN support AL102A pin compatible 3.3V operation Packaged in 256-pin PQFP Product Description The AL103 is an eight-port 10/100 Mbit/s dual speed Ethernet switch. A low-cost Fast Ethernet switch can be implemented using the AL103 with low-cost SGRAM. The AL103 also supports VLAN and multiple port aggregation trunks. 10/100 MAC Switch Controller Buffer Manager 10/100 MAC 10/100 MAC High Speed Switch Fabric Address Control 10/100 MAC 10/100 MAC Address Table 10/100 MAC EEPROM Interface 10/100 MAC 10/100 MAC Figure 1 System Block Diagram Reference Only / Allayer Communications AL103 Revision 1.0 This document contains proprietary information which shall not be reproduced, transferred to other documents, or used for any other purpose without the prior written consent of Allayer Communicatio...