技术特性

• Industry standard
  • IEEE802.3u 100Base-TX and IEEE802.3 10Base-T compliant
  • Support for IEEE802.3x flow control
  • IEEE802.3u Auto-Negotiation support for 10Base-T and 100Base-TX
  • MII interface
  • Standard CSMA/CD or full duplex operation supported
  • Industrial temperature compliant
• Physical Layer
  • Integrates the whole Physical layer functions of 100Base-TX and 10Base-T
  • Provides Full-duplex operation on both 100Mbps and 10Mbps modes
  • Provides Auto-negotiation(NWAY) function of full/half duplex operation for both 10 and 100 Mbps
  • Provides MLT-3 transceiver with DC restoration for Base-line wander compensation
  • Provides transmit wave-shaper, receive filters, and adaptive equalizer
  • Provides loop-back modes for diagnostic
  • Builds in Stream Cipher Scrambler/ De-scrambler and 4B/5B encoder/decoder
  • Supports external transmit transformer with turn ratio 1:1
  • Supports external receive transformer with turn ratio 1:1
• LED Display
  • The LED display, consists of five LEDs having the following characteristics:
    • 10 Mbps Speed LED: 10Mbps(on) or 100Mbps(off)
    • 100 Mbps Speed LED: 100Mbps(on) or 10Mbps(off)
    • TX/RX Activity LED: Blinks at 10Hz when receiving, but not colliding
    • Link LED: On when a good link is detected, blinks when there is TX or RX activity
    • Full Duplex / Collision LED: On during Full Duplex operation. Blinks at 20Hz to indicate a collision
• Miscellaneous
  • Standard 64-pin QFP package pinout

功能框图