DP83251 - National Semiconductor

DP83251 (DP83251 / DP83255) PLAYER Device

The DP83251 DP83255 PLAYER device implements one Physical Layer (PHY) entity as defined by the Fiber Distributed Data Interface (FDDI) ANSI X3T9 5 Standard The PLAYER device contains NRZ NRZI and 4B 5B encoders and decoders serializer deserializer framing logic elasticity buffer line state detector generator link error detector repeat filter smoother and con.

Features

Y Y Y Y Y Y Y Y Y Low power CMOS-BIPOLAR process Single 5V supply Full duplex operation Separate management interface (Control Bus) Parity on PHY-MAC Interface and Control Bus Interface On-chip configuration switch Internal and external loopback DP83251 for single attach stations DP83255 for dual attach stations TL F 10386
  – 1 FIGURE 1-1 FDDI Chip Set Block Diagram TRI-STATE is a registered trademark of National Semiconductor Corporation BSITM BMACTM PLAYERTM CDDTM and CRDTM are trademarks of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 10386 RRD-B30M105.