AR8236-AL1A QUALCOMM Ethernet

AR8236-AL1A Overview

General Description

The AR8236 is a highly integrated Six-port Fast Ethernet switch with non-blocking switch fabric, a high-performance lookup unit with 1024 MAC address, 16 VLAN table, and a four-traffic class Quality of Service (QoS) engine. The AR8236 has the flexibility to support various networking applications. The AR8236 support many offload functions to increase the system performance. The AR8236 is designed for cost sensitive switch applications in wireless AP router, home gateway, and xDSL/PON/cable modem platform. The Fast Ethernet in the AR8236 complies fully with IEEE 802.3 standards. The AR8236 implements power saving techniques to facilitate low power consumption. The AR8236 is designed to work in all environments. True Plug-n-Play is supported with Auto-Crossover, Auto Polarity, and Auto-Negotiation in PHYs
Features
■ Single-chip six-port Fast Ethernet QoS switch
■ Single-chip six-port Fast Ethernet QoS switch controller with:
5 port 10/100 UTP + 1 port MII MAC
4 port 10/100 UTP + 2 port RMII MAC
4 port 10/100 UTP + 1 port RMII MAC + 1 RMII PHY
■ QoS support with four traffic classes based on arrival port, IEEE802.1p, IPv4 TOS, IPv6 TC and Destination MAC Address
■ Supports strict priority, WRR, and mix mode (1 SP + 3 WRR or 2 SP + 2 WRR)
■ Full IEEE 802.1Q VLAN ID processing per port and VLAN tagging for 16 VLAN IDs; and port based VLANs supported
■ Support VLAN tag insert or remove function on per-port basis
■ Support QinQ double tag
■ IGMPv1/v2/v3 and MLDv1/v2 Snooping with hardware join and fast leave function
■ Port states & BPDU handling support IEEE802.1D Spanning Tree Protocol
■ High performance lookup engine with 1024 MAC Address with automatic learning and aging and support for static addresses
■ Support 40 MIB counters per port
■ Autocast MIB counters to cpu port
■ Support ingress & egress rate limit
■ Broadcast storm Suppression
■ Supports port mirror
■ Support MAC and PHY loopback function for diagnosis
■ Fully compliant with IEEE 802.3/802.3u auto-negotiation function
■ Flow control fully supported IEEE 802.3x flow control for full duplex and back pressure for half duplex
■ Supports port lock function
■ Supports hardware looping detection
■ Power saving on no link and low traffic rate for 10Base-T
■ Supports Jumbo Frames

AR8236-AL1A

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