Overview

The ADM6996L is a high performance, low cost, highly integration (Controller, PHY and Memory) five-port 10/100 Mbps TX/FX plus one 10/100 MAC port Ethernet switch controller with all ports supporting 10/100 Mbps Full/Half duplex. The ADM6996L is intended for applications to stand alone bridge for low cost SOHO market such as 5Port, Router application.

Features

• Supports five 10M/100M auto-detect Half/Full duplex switch ports with TX/FX interfaces and one MII/GPSI port.

• Supports 2048 MAC addresses table.

• Supports four queue for QoS

• Supports priority features by Port-Based, 802.1p VLAN & IP TOS of packets.

• Supports Store & Forward architecture and performs forwarding and filtering at nonblocking full wire speed.

• Supports buffer allocation with 256 bytes per block

• Supports Aging function Enable/Disable.

• Supports per port Single/Dual color mode with Power On auto diagnostic.

• Supports 802.3x Flow Control pause packet for Full Duplex in case buffer is full.

• Supports Back Pressure function for Half Duplex operation in case buffer is full.

• Supports packet length up to 1522 bytes.

• Broadcast Storming Filter function.

• Supports 802.1Q VLAN. Up to 16 VLAN groups is implemented by the last four bits of VLAN ID.

• 2bit MAC clone to support multiple WAN application

• Supports TP interface Auto MDIX function for auto TX/RX swap by strapping-pin.

• Easy Management 32bits smart counter for per port RX/TX byte/packet count, error count and collision count.

• Support PHY status output for management system.

• 25M Crystal only for the whole system.

• 128 QFP package with 0.18um technology. 1.8V/3.3V power supply.

Applications

ADM6996L in 128-pin PQFP: SOHO 5-port switch 5-port switch + Router with MII CPU interface.