介绍了硬件语言的仿真软件modelsimse的操作是使用方法，可以为入门的参考资料...

说明：  采用FPGA（现场可编程门序列）编写VHDL语言设计多路同步脉冲发生器，对信号进行分频处理，实现四路信号相位相差T/16和T/8的延迟相位输出，实现的四路脉冲与传统的脉冲同步器不同，它具有高集成度，高通用性，容易调整和高可靠性等特点。(Using FPGA (field programmable gate sequence) to write VHDL language to design multi-channel synchronous pulse generator, to divide the frequency of the signal, to achieve the four-way signal phase difference T / 16 and T / 8 delay phase output, the realization of the four-way pulse is different from the traditional pulse synchronizer, it has the characteristics of high integration, high-throughput, easy adjustment and high reliability.)

SDRAM驱动器，自己项目利用的，已经经过实际验证(sdram controller)

说明：  用Verilog编写的简单的运算单元（ALU），可实现加、减、与、或、异或、非、左、右移等功能(Verilog prepared with simple arithmetic unit (ALU), can be add, subtract, and, or, exclusive-OR, non-, left, and other functions shifted to right)

this project is based on half adder ,full adder,half subtractor and full subtractor 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 techniques are used. - this project is based on half adder ,full adder,half subtractor and full subtractor 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 techniques are used.

VHDL implementation using mouse and monitor

Circular_Buffer，流水线型多位缓存器，verilog语言描述。通过modelsim 6。0仿真，quartus 综合通过。-Circular_Buffer, type a number of buffer lines, verilog language description. Through modelsim 6. 0 simulation, quartus integrated through.

CPFSK Demodulation Techniques

说明：  SDRAM的驱动程序，主要是对SDRAM各类状态进行驱动，有刷新模块、读、写模块等。(The driver of SDRAM mainly drives various states of SDRAM, including refresh module, read and write module.)

在fpga中对于pll无法完成的分频，可采用计数方式，本例用状态机实现对时钟的奇数分频。(Pll in fpga can not be completed in the sub-frequency counting method can be used, in this case with the state machine to achieve an odd number on the clock frequency.)

计算机中每一条机器指令的执行，都离不开程序计数器的正确执行，本程序实现程序计数器。(Computer implementation of each machine instruction, are inseparable from the correct implementation of the program counter, this program achieve the program counter.)