Product Overview


  • One 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 GMII interface.
  • Incorporates single SERDES, compatible to IEEE 802.3 1998 PMA physical layer specification.
  • Supports single IEEE 802.3 -1998 GMII/TBI interface for connection to copper Gigabit Ethernet physical layer device.
  • Provides single standard IEEE 802.3 Gigabit Ethernet MAC 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 (POS-PHY 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.
  • Typical Applications include:

  • 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.
  • IP DSLAM Uplinks
  • CMTS Uplinks
  • BTS/BSC Uplinks
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    Product Brief
          Version Issue Date
      PDF Document PM3387 S/UNI 1xGE Ethernet Controller Short Form Data Sheet [73 KB] PMC-2031964 1 2003-12-02
    Data Sheet
          Version Issue Date
    Locked PDF Document Gigabit Ethernet Controller Data Sheet [1.21 MB] PMC-2020510 3 2003-07-16
          Version Issue Date
    Locked PDF Document PM3387 S/UNI 1xGE Data Sheet Errata [515 KB] PMC-2031048 2 2005-09-19
    Software Documentation
          Version Issue Date
    Locked PDF Document S/UNI-2xGE and S/UNI-1xGE Device Driver Manual [826 kB] PMC-2010280 4 2002-10-17
          Version Issue Date
    Locked Compressed Document PM3386 S/UNI-2xGE and PM3387 S/UNI-1xGE Device Driver [161 kB] PMC-2010089 rel 1.1 2002-10-17
    Application Note
          Version Issue Date
    Locked PDF Document S/UNI-2xGE Ten Bit Interface Model Initialization and Control Application Note [467 kB] PMC-2011018 1 2001-06-05
    Locked PDF Document Interfacing the SUNI2xGE to a GBIC transceiver [240 kB] PMC-2010785 1 2001-04-09
    Locked PDF Document S/UNI - 2XGE Technical Overview [1.03 MB] PMC-1991728 1 2000-10-16
    BSDL Files
          Version Issue Date
      Text Document Boundary Scan Description Language (BSDL) Source Code for the PM3386 S/UNI 2XGE Device [] PMC-2010137 2 2001-04-25