DP83256 Datasheet | National Semiconductor

.. DP83256 56-AP 57 PLAYER a Device (FDDI Physical Layer Controller) PRELIMINARY October 1994 DP83256 56-AP 57 PLAYER a TM Device (FDDI Physical Layer Controller) General Description The DP83256 56-AP 57 Enhanced Physical Layer Controller (PLAYER a device) implements one plete Physical Layer (PHY) entity as defined by the Fiber Distributed Data Interface (FDDI) ANSI X3T9 5 standard The PLAYER a device integrates state of the art digital clock recovery and improved clock generation functions to enhance performance eliminate external ponents and remove critical layout requirements FDDI Station Management (SMT) is aided by Link Error Monitoring support Noise Event...