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AX88655AB Datasheet(PDF) 1 Page - ASIX Electronics Corporation |
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AX88655AB Datasheet(HTML) 1 Page - ASIX Electronics Corporation |
1 / 33 page ASIX ELECTRONICS CORPORATION First Released Date: 11/07/2002 4F, NO.8, Hsin Ann Rd., Science-based Industrial Park, Hsin-Chu City, Taiwan, R.O.C. TEL: 886-3-579-9500 FAX: 886-3-563-9799 http://www.asix.com.tw AX88655 AB 5-Port 10/100/1000BASE-T Ethernet Switch 5-Port Gigabit Ethernet Switch with Embedded Memory Document No.: AX88655AB / V0.8 / June 11, 2003 Features • 5-port Gigabit Ethernet switch integrating MACs, packet buffer memory and switching engine with RGMII/GMII/MII interface • RGMII support REV 1.3 with 3.3V IO • 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 Head of Line (HOL) blocking prevention • Supports up to 8 Port-based VLAN Groups • Supports broadcast storm filtering . • Quality-of-Service provisioning on 802.1P tag and port-pairs with two priority queues • By-port Egress/Ingress bandwidth (rate) control • Embedded 128K Byte SRAM for packet buffer • Supports packet length up to 1522 bytes • Supports 9K/12K byte JUBMO packet • Integrated two-way Address-Lookup engine and table for 4K MAC addresses • Programmable aging mechanism for the two-way 4K MAC addresses table • Two hashing schemes: direct and XOR mode. • Support ingress port security mode, incoming packets with unknown source MAC address could be dropped • Egress/Ingress Port Mirroring for Sniffer function . • Flow control - Full-duplex IEEE 802.3x flow control - Half-duplex back pressure flow control - Optional smart flow control for mix-speed connection • Supports port-based trunking for high-bandwidth links • Provides 5 GPIO ports • Provides EEPROM interface for auto-configuration • System clock input is one 25MHz Crystal and one 125MHz from PHY GCLK output • 1.8 and 3.3V operations • 3.3 I/Os and packaged in 272-pin BGA Product Description The AX88655AB is an 5-port 10/100/1000 Mbps Ethernet switch with, GMII/RGMII 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 AX88655AB 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 AX88655AB Switches are below. 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 5-port Gigabit Layer 2 Switches for workgroup High-port count Layer 2 switches with trunking High performance solution of Ethernet backbone |
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