Overview

The ADM6996F is a high performance, low cost, highly integrated (Controller, PHY and Memory) four-port 10/100 Mbps TX/FX plus two 10/100 MAC port Ethernet switch controller with all ports supporting 10/100 Mbps Full/Half duplex. The ADM6996F is intended for applications to stand alone bridge for low cost SOHO markets such as 5Port, Router applications. The 2nd MAC can be configured as PCS type MII with 10/100 PHY integrated.

Features

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

• 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 lengths up to 1522 bytes.

• Broadcast Storming Filter function.

• Supports 802.1Q VLAN. Up to 16 VLAN groups are 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.

• Supports 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

ADM6996F in 128-pin PQFP: SOHO 5-port switch 5-port switch + Router with MII CPU interface.