摘  要：本文介绍了一种基于以太网接口的3D打印机控制系统，采用ARM嵌入式处理器与FPGA相结合的设计方案，并采用SMSC公司的网络芯片LAN8720A，实现打印机系统的网络功能。给出了系统的结构图，网络硬件电路图以及网络应用程序的编写。

关键字：以太网  3D打印机　ARM　FPGA

Abstract: This paper introduces a 3D printer control system based on Ethernet interface.The design scheme of the system is based on ARM embedded processor and FPGA, And the use of SMSC chip LAN8720A, to achieve the network function of the printer system.This paper shows the structure of the system,hardware circuit di