AX88782

Pinout




Specifications

• High Performance Non-PCI Interface
• Configurable 8/16-bit SRAM-like host interface (US Patent Approval), easily interfaces with most common embedded MCUs
• Supports PPPoE/IPv4 IP/TCP/UDP/ICMP/ IGMP checksum offload to relieve CPU loading
• Supports burst-mode access, minimizing CPU overhead
• Fast Ethernet MAC/PHY
• IEEE 802.3 10Base-T/100Base-TX compatible
• Supports full-duplex operation with IEEE 802.3x flow control and half duplex with backpressure
• 10/100M PHY supports twisted pair crossover detection and auto-correction (HP Auto-MDIX)
• Supports Wake-on-LAN by Microsoft Wakeup Frame, Magic Packet and link status change detection
• Switching Fabric
• Performs non-blocking wire-speed forwarding and filtering
• Embeds 32KB SRAM for packet buffering
• Supports broadcast storm filtering
• Supports per queue and per port ingress and egress programmable rate limit control
• Integrates two-way Address-Lookup engine and table for 1K MAC addresses
• Supports Routing Table/IGMP/VLAN Table access through CPU read/write operation
• Supports 802.1D Spanning Tree Protocol and 802.1w Rapid Spanning Tree Protocol
• QoS
• Supports Quality-of-Service for port-based, 802.1p VLAN and IPv4 TOS/IPv6 COS packets with four priority queues
• Supports RFC2475 DiffServ-based
• VLAN
• Supports up to 3 VLAN groups for port-based VLAN and 16 VLAN entries for 802.1Q tag-based VLAN function
• Supports Double tagging 802.1Q-in-802.1Q function for WAN access
• Security
• Supports ingress port security mode, incoming packets with unknown source MAC address could be dropped
• Supports eight Security MAC Registrations
• Supports 802.1X port-based Authorization
• Multicast
• Supports GMRP/GVRP/GARP packet snooping
• Supports IPv4 IGMP and IPv6 ICMP/MLD (Multicast Listener Discovery) Snooping
• Supports up to 1K Multicast Group (shared with L2 MAC table)
• Supports eight IGMP Multicast IP address snooping
• Monitoring
• Supports RMON group 1,2,3,9 counter (RFC1213)
• Supports Ethernet-like MIB counter (RFC 1643)
• Supports Bridge MIB counter (RFC 1493)
• Egress/Ingress Port Mirroring
• Sniffer functions
• Source/Destination Port
• DA/SA
• VLAN ID
Ethernet Packet Type
• IPv4/IPv6 Protocol
• IPv4/IPv6 TCP/UDP Port Number
• Supports EEPROM Interfaces
• Single 3.3V power supply with options for 1.8V, 2.5V and 3.3V I/O voltage support
• Integrates an on-chip voltage regulator requiring only a single power supply of 3.3V
• Integrates an on-chip oscillator and PLL requiring only a 25MHz crystal to operate
• Integrates on-chip power-on reset circuit
• 80-pin E-PAD LQFP RoHS compliant package
• Operating temperature range: 0°C to 70°C

Description

The AX88782 is a single-chip 2-port 10/100M Ethernet Switch controllers featuring a 3-port switching fabric with QoS priority management, three 10/100M MACs, two 10/100M PHYs, and 8/16-bit Non-PCI host interface. The AX88782 supports checksum offload engine and burst-mode access making it easy to provide a high performance 2-port Ethernet connectivity solution for any embedded MCU. The built-in switching fabric in the AX88782 supports non-blocking wire-speed forwarding and offers an advanced switch feature set that includes tag/port-based VLAN, spanning tree, rate control, port security, port mirroring, IGMP snooping, MIB counters and four priority queues for QoS functions including Port-Based, 802.1p VLAN, IPv4 TOS and IPv6 COS to prioritize voice, video, audio and data traffic delivery.

The AX88782 have integrated a voltage regulator and provide support for programmable I/O voltage options of 3.3V/2.5V/1.8V to enable a highly optimized system design. As semiconductor designs migrate to advanced process geometries like 90nm, 65nm, 45nm and beyond, many of today&primes higher performance ASICs, SoCs and FPGAs require lower I/O voltages.

The AX88782 combine the benefits of high integration and small form factor making them ideal single-chip solutions for designing high performance, QoS-aware and cost effective 2-port Ethernet functions for embedded system applications such as VoIP phone/ATA adapters, surveillance IP cameras, next-generation IP-STB/IPTV, industrial controller/network sensors, port redundancy/port monitoring and Single Board Computers (SBC)