FEATURES
• Two port full-duplex Gigabit Ethernet Controller with an industry standard POS-PHY Level 3™ system interface.
• Provides direct connection to optics.
• Connection to copper Gigabit Ethernet physical layer devices via two GMII interfaces.
• Incorporates dual SERDES, compatible to IEEE 802.3 1998 PMA physical layer specification.
• Supports dual IEEE 802.3 -1998 GMII/TBI interfaces for connection to copper Gigabit Ethernet physical layer devices.
• Provides dual standard IEEE 802.3 Gigabit Ethernet MACs for frame verification.
• Provides on-chip data recovery and clock synthesis.
• Provides eight unicast exact-match address filters to filter frames based on DA, SA, or VID.
• Each address filter can indicate whether to accept or discard based on a match.
• Provides 64-group multicast address filter.
• Internal 16 kbyte TX and 64 kbyte RX FIFOs to accommodate system latencies.
• SATURN® compatible interface for Packet-Over-SONET Physical Layer and Link Layer devices Level 3 (POSPHY Level 3 system interface).
• Line side loopback for system level diagnostic capability.
• 16 bit generic microprocessor interface for device initialization, control, register and per port statistics access.

APPLICATIONS
• POS-PHY Level 3 provides consistent system interface for multiple PHY types.
• Edge and Core Routers.
• Multi-Service Switches.
• SONET/SDH Transport Equipment.
• Ethernet over SONET uplinks.
• Gigabit Ethernet ports for Optical Cross Connects.
• Gigabit Ethernet Access IADs.
• Gigabit Ethernet Test Equipment.