verilog使用入门教程详解。非常简单而详细的verilog入门教程，主要介绍如何使用quartus2来编写verilog程序。-Getting Started tutorial verilog Xiang Jie. Very simple and detailed verilog Getting Started tutorial focuses on how to use quartus2 to write verilog program.

vhdl基础详解，有实例分析，适合初级eda学者学习-vhdl-based Xiang Jie, there is a case study, for academics to study the primary eda

自己跳出来的基于FPGA的三相波形发生器，频率步进可调-Jump out of their FPGA-based three-phase waveform generator, frequency step adjustable