全部通过，是我的精心设计，完全满足初学者的要求。

crc32编码的代码(CRC32 coding code)

设计一简易数字频率计，其基本要求是： 1)测量频率范围0～999999Hz； 2)最大读数999999HZ,闸门信号的采样时间为1s；. 3)被测信号可以是正弦波、三角波和方波； 4)显示方式为6位十进制数显示； 5）具有超过量程报警功能。 5)输入信号最大幅值可扩展。 6）测量误差小于+-0.1%。 7)完成全部设计后，可使用EWB进行仿真，检测试验设计电路的正确性。(The basic requirements of designing a simple digital frequency meter are: 1) The measuring frequency range is 0-999999 Hz. 2) The maximum reading is 999999HZ, and the sampling time of gate signal is 1 s. 3) The measured signal can be sine wave, triangle wave and square wave. 4) The display mode is 6-bit decimal number display. 5) It has alarm function beyond range. 5) The maximum amplitude of input signal can be expanded. 6) The measurement error is less than +0.1%. 7) After completing all the design, EWB can be used to simulate and test the correctness of the circuit.)

vhdl project at sbu uni in iran uart

this project is based on sr and d flip flop using vhdl.this is the 100 correct code,reference is taken from book digital electrionics written by anand kumar.please use quatrus to access this code.this code can be used for the final year project for engineering. Here dataflow techniques and behavioural -this project is based on sr and d flip flop using vhdl.this is the 100 correct code,reference is taken from book digital electrionics written by anand kumar.please use quatrus to access this code.this code can be used for the final year project for engineering. Here dataflow techniques and behavioural

FPGA项目开发实战讲解 [李宪强编著][电子工业出版社][2015.04][248页].pdf(FPGA Project Development combat explain [Li Xingjiang ed] [Electronic Industry Press] [2015.04] [248] .pdf)

fpga实验板上16*16点阵显示汉字的程序-翻译结果fpga实验板上16*16点阵显示汉字的程序(Experimental fpga board 16* 16 dot matrix display Chinese program- translation results fpga experimental board 16* 16 dot matrix display Chinese characters in the program)

VGA图象显示控制器设计,实现在VGA显示器上显示图象.-VGA image display controller designed to achieve the VGA display shows images.

verilog ADPLL file with testbench

一组练习，关于VHDL的一些基础的知识和练习可以参考一些具体的问题-A group of exercises, on a number of VHDL-based knowledge and practice can refer to some specific questions

采用Verilog HDL语言编写的直流电动机控制系统，主要完成直流电动机的速度控制，典型的三闭环(位置、转速和电流反馈)直流电机控制系统，对控制类相关的学习者价值很高(Using Verilog HDL language of the DC motor control system, mainly the completion of DC motor speed control, a typical three-loop (position, speed and current feedback) DC motor control system for control-type high-value related to the learner)