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ADM6308

Eight-port 10/100M Ethernet Switch Controller

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ADMtek Incorporated

Olive Family

Partnership Now and Future

ADM6308 − Eight-port 10/100M Ethernet Switch Controller

Overview

ADM6308, a single chip, is a 10/100Mbps eight-port stand-alone switching controller with built-in data buffer memory which

provides low cost and simple solution though a high integration design. Eight Reduced MII interfaces are designed for

10BASE/100BASE ports. MAC controller, switch engines and data buffer memory are built-in. The chip can fit to desktop or

SOHO applications, and each 10/100M port directly connects either 10BASE or 100BASE devices. Additionally, ADM6308

breaks the distance limitation of 10BASE or any class 100BASE repeaters, and increases throughput.

Features

ê Non-blocking eight-port 10/100M switching controller with MAC controller and switching engine included low cost and a

simple solution for 100BASE-TX, 100BASE-FX, and 10BASE applications.

ê Configurable 10/100BASE Reduced MII interfaces and 1MII+ 7RMII mode provided.

ê The single clock input, 50M, for RMII and system

ê Speed auto negotiation function for all ports

ê Store-and- forward operation support.

ê Full line speed capability of 14880 packet/sec for 10M and 148810 packet/sec for 100M, with no HOL blocking.

ê Broadcast storming prevention

ê Support 4 groups port-based VLAN.

ê Full-duplex (IEEE802.3x) and three-way half-duplex flow control (Back pressure).

ê Data buffer SSRAM embedded,

ê CoS support: Port-based, VLAN tag, TCP/IP TOS/DS.

ê Intelligently back-pressure and flow control turned on/off in the port with priority frames

ê Buffer management included.

ê 93C46 EEPROM interface or Dynamic configured by 8051

ê Buffer full and faulty LED provided.

ê Bridging functions such as:

u Local MAC address filtering.

u CRC or direct mapping hashing schemes for better address coverage.

u Short routing decision time.

u Aging function included with configurable aging time.

u Embedded 1K entries of address table.

ê Low power 2.5 V CMOS technology with 3.3V tolerance I/O

ê 100-pins Plastic Quad Flat Package.

ADMtek Incorporate

00/04/25

1F, No 9, Industrial E. 9th Road, SBIP, Hsin-Chu Tel : (03)578-8879 Fax : (03)578-8871

Version : 1.10

ADMtek Incorporated Confidential

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