异步FIFO的设计 包括testbench 已调试成功

说明：  fpga的RS485代码,非常容易，适合学习(the code of rs485 in fpga, very easy,suitable for learning)

本人收集的多个VHDL语言编写的正弦波发生器以及SPWM程序。(I collected multiple VHDL language of sine wave generator SPWM program.)

verilog HDL经典的入门书籍，内容很详细，讲了许多实例，适合硬件描述语言初学者。(verilog HDL classic introductory book, the content is very detailed, spoke many instances, suitable hardware description language for beginners.)

VHDL语言实现摄像头的捕捉和采集,通过仿真验证，很好哈-vidicon s catch and collection in VHDL

mdct, it contains DOC,MATLAB,source,synthesis.

16QAM,64QAM,256QAM调制下的球形译码(16QAM, 64QAM, 256QAM modulation sphere decoding)

adfvff f fdfs f dvdsz dz vdzsvd hdfdgvaz

vhdl数字电路设计经典教程，入门必备，非扫描版，非常清晰(vhdl digital circuit design classic handbook, entry-essential, non-scan version, very clear)

一本很好的教程，适合初学者,里面有详细的教程，很值得一看！！(A good tutorial, suitable for beginners, there are detailed tutorials, it is worth a visit!!)

this file is vhdl code of alu