IEEE 1588 PTP 硬件支持功能的以太网收发器，时钟精确性能表现非凡无论选用何种微控制器、FPGA或ASIC，DP83640的加入都可确保系统设计的高度灵活性，并实现高达8ns的精确度-IEEE 1588 PTP hardware support Ethernet transceivers, clock accurate performance, whether extraordinary selection of the microcontroller, FPGA or ASIC, D

128*64点阵LCD的通用文档，写得很详细，据此文档基于单片机和FPGA开发的LCD显示程序均运行成功-128* 64 dot matrix LCD common document, write a very detailed document based on microcontroller and FPGA accordingly developed procedures are running successfully LCD display