AX88655P Datasheet, PDF (1/40 Pages) ASIX Electronics Corporation – 5-Port 10/100/1000BASE-T Ethernet Switch

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
• 5-Port Gigabit Ethernet switch integrating MACs,
packet buffer memory and switching engine with
• Integrated two-way Address-Lookup engine and
table for 4K MAC addresses
GMII/MII interface
• 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
• Store-and-forward operation support
• Performs full wire-speed switching with no HOL
blocking
• Broadcast storm control
• Quality-of-Service provisioning on 802.1P tag and
port-pairs with two priority queues
• 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
• 2.5 and 3.3V operations
• 3.3 I/Os and packaged in 256-pin PQFP
• Embedded 128K Byte SRAM for packet buffer
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.
Ø Simplicity
Provides a smart, simple and low maintenance plug-and-play network interconnect system for small to
medium size businesses
Ø Flexibility
Highly scalable configuration allows system manufacturers to enable or disable a range of features to best meet
their target price point
Ø Integration
Highly integrated design drives down overall switch manufacturing costs.
Target Applications
ü 5-Port Gigabit Layer 2 Switches for workgroup
ü High-port count Layer 2 switches with trunking
ü 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.
TEL: [phone]
FAX: [phone]
First Released Date: 01/31/2002
http://www.asix.com.tw