مدار مجتمع (آی سی) آی‌سی واسط ارتباطی آی‌سی مخابراتی

Product Attributes

Features

• Non-blocking wire-speed Ethernet switching fabric
• Full-featured forwarding and filtering control, including Access Control List (ACL) filtering
• Full VLAN and QoS support
• Two ports with integrated 10/100/1000BASE-T PHYs
• One port with 10/100/1000 Ethernet MAC and configurable RGMII/MII/RMII interface
• IEEE 802.1X port-based authentication support
• EtherGreen™ power management features, including low power standby and IEEE 802.3az
• Flexible management interface options: SPI, I²C, MIIM, and in-band management via any port
• Commercial/Industrial temperature range support
• 64-pin VQFN (8×8mm) lead-free package
• Switch Management Capabilities:
  • 10/100/1000Mbps Ethernet switch basic functions: frame buffer management, address look-up table, queue management, MIB counters
  • Non-blocking store-and-forward switch fabric assures fast packet delivery by utilizing 4096 entry forwarding table with 128kByte frame buffer
  • Jumbo packet support up to 9000 bytes
  • Port mirroring/monitoring/sniffing: ingress and/or egress traffic to any port
  • MIB counters for fully-compliant statistics gathering 34 counters per port
  • Tail tagging mode (one byte added before FCS) support at host port to inform the processor which ingress port receives the packet and its priority
  • Loopback modes for remote failure diagnostics
  • Rapid spanning tree protocol (RSTP) support for topology management and ring/linear recovery
  • Multiple spanning tree protocol (MSTP) support
• Two Integrated PHY Ports:
  • 1000BASE-T/100BASE-TX/10BASE-T IEEE 802.3
  • Fast Link-up option significantly reduces link-up time
  • Auto-negotiation and Auto-MDI/MDI-X support
  • Energy-Efficient Ethernet (EEE) support with lowpower idle mode and clock stoppage
  • On-chip termination resistors and internal biasing for differential pairs to reduce power
  • LinkMD cable diagnostic capabilities for determining cable opens, shorts, and length
• One Configurable External MAC Port:
  • Reduced Gigabit Media Independent Interface (RGMII) v2.0
  • Reduced Media Independent Interface (RMII) v1.2 with 50MHz reference clock input/output option
  • Media Independent Interface (MII) in PHY/MAC mode
• Advanced Switch Capabilities:
  • IEEE 802.1Q VLAN support for 128 active VLAN groups and the full range of 4096 VLAN IDs
  • IEEE 802.1p/Q tag insertion/removal on per port basis
  • VLAN ID tag/untag options on per port or VLAN basis
  • IEEE 802.3x full-duplex flow control and half-duplex back pressure collision control
  • IEEE 802.1X (Port-Based Network Access Control)
  • IGMP v1/v2/v3 snooping for multicast packet filtering
  • IPv6 multicast listener discovery (MLD) snooping
  • IPv4/IPv6 QoS support, QoS/CoS packet prioritization
  • 802.1p QoS packet classification with 4 priority queues
  • Programmable rate limiting at ingress/egress ports
  • Broadcast storm protection
  • Four priority queues with dynamic packet mapping for IEEE 802.1p, IPv4 DIFFSERV, IPv6 Traffic Class
  • MAC filtering function to filter or forward unknown unicast, multicast and VLAN packets
  • Self-address filtering for implementing ring topologies
• Comprehensive Configuration Registers Access:
  • High-speed 4-wire SPI (up to 50MHz), I²C interfaces provide access to all internal registers
  • MII Management (MIIM, MDC/MDIO 2-wire) Interface provides access to all PHY registers
  • In-band management via any of the three ports
  • I/O pin strapping facility to set certain register bits from I/O pins at reset time
  • On-the-fly configurable control registers
• Power Management:
  • IEEE 802.3az Energy Efficient Ethernet (EEE)
  • Energy detect power-down mode on cable disconnect Dynamic clock tree control
  • Unused ports can be individually powered down
  • Full-chip software power-down
  • Wake-on-LAN (WoL) standby power mode

Applications

• Stand-alone 10/100/1000Mbps Ethernet switches
• VoIP infrastructure switches
• Broadband gateways/firewalls
• Wi-Fi access points
• Integrated DSL/cable modems
• Security/surveillance systems
• Industrial control/automation switches
• Networked measurement and control systems