Microchip公司的LAN9252是集成了两路以太网PHY的2/3端口EtherCAT从控制器,包括了全双工100BASE-TX收发器和支持100Mbps (100BASE-TX),支持3个Fieldbus存储器管理单元(FMMU)和4个SyncManagers,主要用在马达控制,过程/工厂自动化,通信模块,接口卡,传感器,水和气动阀门系统等.本文介绍了AN9252产品亮点和主要优势, 系统框图和内部框图, 工作模式图和电源连接图,以及评估板EVB-LAN9252-HBI-SPI-SQI-GPIO EtherCAT® HBI/SPI+GPIO主要特性,框图,电路图和材料清单-Microchip s LAN9252 is an integrated two-port Ethernet PHY 2/3 EtherCAT slave controller, including a full-duplex 100BASE-TX transceiver and support 100Mbps (100BASE-TX), supports three Fieldbus Memory Management Unit (FMMU ) and four SyncManagers, mainly used in motor control, process/factory automation, communication modules, interface cards, sensors, water and pneumatic valve system. This article describes the AN9252 product highlights and main advantages, the system block diagram and internal block diagram, the mode map and power connections, and Evaluation Board EVB-LAN9252-HBI-SPI-SQI-GPIO EtherCAT®　HBI/SPI+ GPIO main characteristics, block diagrams, schematics and bill of materials