Description

The ADM6996L is a high performance, low cost, highly integration 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 as a stand alone bridge for the low cost SOHO market such as 5Port, Router application.

Specifications and 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.

Application Scenarios

The ADM6996L can be used in SOHO 5-port switches and 5-port switches with Router and MII CPU interface.