AX88655 P
5-Port 10/100/1000BASE-T Ethernet Switch
5-Port Gigabit Ethernet Switch with Embedded Memory
Document No.: AX88655-1.0 / V1.0 / Mar, 12,2002
Features
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5-Port Gigabit Ethernet switch integrating MACs,
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Integrated two-way Address-Lookup engine and
table for 4K MAC addresses
Programmable aging mechanism for the two-way
4K MAC addresses table
Full-duplex IEEE 802.3x flow control
Half-duplex back pressure flow control
Port trunking for high-bandwidth links
Provides 5 GPIO ports
Provides EEPROM interface for auto-configuration
System clock input is one 27MHz Crystal and one
125MHz Oscillator
packet buffer memory and switching engine with
GMII/MII interface
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Full Duplex 1000 Mbit/s.
Full and Half Duplex 10/100 Mbit/s
Supports auto-sensing or manual selection for
speed and duplex capability with an embedded
MPU
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Store-and-forward operation support
Performs full wire-speed switching with no HOL
blocking
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Broadcast storm control
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2.5 and 3.3V operations
3.3 I/Os and packaged in 256-pin PQFP
Quality-of-Service provisioning on 802.1P tag and
port-pairs with two priority queues
Embedded 128K Byte SRAM for packet buffer
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Product Description
The AX88655 is a 5-Port 10/100/1000 Mbps Ethernet switch with GMII or MII Interface. The switch controller
provides network system manufacturers the ideal platform for building smart and cost-effective backbone switches for
small to medium sized businesses.
The AX88655 5-Port 10/100/100 BASE-T single chip switch controllers combine the benefits of network simplicity,
flexibility and high integration. Its highly integrated feature set enables network system manufacturers to build smart
switches for the fast-growing small to medium business market segment.
Benefits of AX88655 Switches are below.
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Simplicity
Provides a smart, simple and low maintenance plug-and-play network interconnect system for small to
medium size businesses
Flexibility
Highly scalable configuration allows system manufacturers to enable or disable a range of features to best meet
their target price point
Integration
Highly integrated design drives down overall switch manufacturing costs.
Target Applications
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5-Port Gigabit Layer 2 Switches for workgroup
High-port count Layer 2 switches with trunking
High performance solution of Ethernet backbone
Always contact ASIX for possible updates before starting a design.
This data sheet contains new products information. ASIX ELECTRONICS reserves the rights to modify the product specification without notice. No
liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product.
ASIX ELECTRONICS CORPORATION
4F, NO.8, Hsin Ann Rd., Science-based Industrial Park, Hsin-Chu City, Taiwan, R.O.C.
First Released Date: 01/31/2002
TEL: 886-3-579-9500
FAX: 886-3-563-9799
http://www.asix.com.tw