DP83849IFVS/NOPB

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1. Description

The number of applications requiring Ethernet Connectivity continues to expand. Along with this increased market demand is a change in application requirements. Where single channel Ethernet used to be sufficient, many applications such as wireless remote base stations and industrial networking now require DUAL Port functionality for redundancy or system management. The DP83849IFVS/NOPB is a highly reliable, feature rich device perfectly suited for industrial applications enabling Ethernet on the factory floor. The DP83849IFVS/NOPB features two fully independent 10/100 ports for multi-port applications. Texas Instruments’ unique port switching capability also allows the two ports to be configured to provide fully integrated range extension, media conversion, hardware based failover and port monitoring. The DP83849IFVS/NOPB provides optimum flexibility in MPU selection by supporting both MII and RMII interfaces. The device also provides flexibility by supporting both copper and fiber media. In addition this device includes a powerful new diagnostics tool to ensure initial network operation and maintenance. In addition to the TDR scheme, commonly used for detecting faults during installation, TI’s innovative cable diagnostics provides for real time continuous monitoring of the link quality. This allows the system designer to implement a fault prediction mechanism to detect and warn of changing or deteriorating link conditions. With the DP83849IFVS/NOPB, TI continues to build on its Ethernet expertise and leadership position by providing a powerful combination of features and flexibility, easing Ethernet implementation for the system designer.

2. Features

    1. Low-Power 3.3V, 0.18µm CMOS Technology

    2. Low Power Consumption <600mW Typical

    3. 3.3V MAC Interface

    4. Auto-MDIX for 10/100 Mb/s

    5. Energy Detection Mode

    6. Flexible MII Port Assignment

    7. Dynamic Integrity Utility

    8. Dynamic Link Quality Monitoring

    9. TDR based Cable Diagnostic and Cable Length Detection

  10. Optimized Latency for Real Time Ethernet Operation

  11. Reference Clock Out

  12. RMII Rev. 1.2 Interface (Configurable)

  13. SNI Interface (Configurable)

  14. MII Serial Management Interface (MDC and MDIO)

  15. IEEE 802.3u MII

  16. IEEE 802.3u Auto-Negotiation and Parallel Detection

  17. IEEE 802.3u ENDEC, 10BASE-T Transceivers and Filters

  18. IEEE 802.3u PCS, 100BASE-TX Transceivers and Filters

  19. IEEE 802.3u 100BASE-FX Fiber Interface

  20. IEEE 1149.1 JTAG

  21. Integrated ANSI X3.263 Compliant TP-PMD Physical Sub-Layer with Adaptive Equalization and Baseline Wander Compensation

  22. Programmable LED Support for Link, 10 /100 Mb/s Mode, Activity, Duplex and Collision Detect

  23. Single Register Access for Complete PHY Status

  24. 10/100 Mb/s Packet BIST (Built in Self Test)

  25. 80-pin TQFP Package (12mm x 12mm)

3. Applications

    1. Medical Instrumentation

    2. Factory Automation

    3. Motor & Motion Control

    4. Wireless Remote Base Station

    5. General Embedded Applications