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    首页产品索引LAN9250

    LAN9250

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    LAN9250 -10/100 Industrial Ethernet Controller &amp;amp; PHY

     

    产品信息

    The LAN9250 is a full-featured, single-chip 10/100 Ethernet controller designed for embedded applications where performance,flexibility, ease of integration and system cost control are required. The LAN9250 has been specifically designed to provide high performance and throughput for 16-bit applications. The LAN9250 complies with the IEEE802.3 (full/half-duplex 10BASE-T and 100BASE-TX) Ethernet protocol, IEEE 802.3az Energy Efficient Ethernet (EEE)(100Mbps only), and the IEEE 1588v2 precision time protocol. 100BASE-FX is supported via an external fiber transceiver.

    The LAN9250 includes an integrated Ethernet MAC and PHY with a high-performance SRAM-like slave interface. For additional design flexibility SPI and SQI interfaces are also supported. The integrated checksum offload engines enable the automatic generation of the 16-bit checksum for received and transmitted Ethernet frames, offloading the task from the CPU. The LAN9250 also includes large transmit and receive data FIFOs to accommodate high latency applications. In addition, the LAN9250 memory buffer architecture allows highly efficient use of memory resources by optimizing packet granularity. The LAN9250 also supports features which reduce or eliminate packet loss. The internal 16-KByte SRAM can hold over 200 received packets. If the receive FIFO gets too full, the LAN9250 can automatically generate flow control packets to the remote node, or assert back-pressure on the remote node by generating network collisions.

    The LAN9250 can be configured to operate via a single 3.3V supply utilizing an integrated 3.3V to 1.2V linear regulator.The linear regulator may be optionally disabled, allowing usage of a high efficiency external regulator for lower system power dissipation

    Microchip's complimentary and confidential LANCheck® online design review services are available for customers who have selected our products for their application design-in*.

    *The  is subject to Microchip's  and requires a myMicrochip account.

      16-bit 10/100 industrial Ethernet controller & PHY

      Interfaces to most 8/16-bit embedded controllers

      Also 32-bit embedded controllers with an 8/16-bit bus

      Also supports SPI/SQI 

      Integrated Ethernet PHY with HP Auto-MDIX

      Integrated Ethernet MAC

      Compliant with Energy Efficient Ethernet 802.3az

      Wake on LAN (WoL) support

      Integrated IEEE 1588v2 hardware time stamp unit

      Cable diagnostic support

      1.8V to 3.3V variable voltage I/O

      Integrated 1.2V regulator for single 3.3V operation

      Low pin count and small body size package

    电路图、引脚图和封装图

    在线购买

    型号制造商描述购买
    LAN9250I/MLBourns Inc. 立即购买
    LAN9250/MLAries Electronics 立即购买
    LAN9250T/MLBourns Inc. 立即购买
    LAN9250T/PTAries Electronics 立即购买
    LAN9250I/PTBourns Inc. 立即购买
    LAN9250TV/MLAries Electronics 立即购买

    技术资料

    标题类型大小(KB)下载
    GY9250 MPU9250资料RAR7175 点击下载
    MPU9250数据采集和解析RAR955 点击下载
    MPU9250产品中文说明书PDF2183 点击下载
    MPU-9250-寄存器手册PDF508 点击下载
    详细图解I9250刷机教程DOC573 点击下载
    九轴传感器MPU9250详细资料RAR6064 点击下载
    MAX9248/MAX9250 pdfRAR888 点击下载

    应用案例更多案例

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