基于VHDL语言的并串转换程序，有四位的并行输出转换为串行输出...

说明：  用于FPGA的I2S接收模块，仅供学习和参考(audio-i2s receive.use fpga.)

绝热电路都是使用"可逆逻辑"的低功耗电路以节省能源。与传统的CMOS电路，在开关过程中消耗能量，不同绝热电路试图节约费用由以下两个关键的规则： 永远不会打开一个晶体管时电压源之间

简易数字存储示波器verilog源代码 经过EP2C8Q208C8验证(Simple digital storage oscilloscope verilog source code has been verified EP2C8Q208C8)

4位全加法器的modelsim工程带testbench(Four full-adder modelsim project with testbench)

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.)

时钟分频代码，PWM产生 RTL 源代码。(clock divider，PWM generator RTL Source Code)

第十一章到第十三章的代码 本书通过100多个模块实例，详细地讲解了Verilog HDL程序设计语言，全书共分13章，内容涉及VerilogHDL语言基本概念、建模、同步设计、异步设计、功能验证等，实例包括各种加法器/计数器、乘法器/除法器、编码器/译码器、状态机、SPIMaster Controller、I2C Master controller、CAN ProtocolController、Memory模块、JPEG图像压缩模块、加密模块、ATA控制器、8位RISC-CPU等及各个实例模块相应的Testbench，所举实例具有很强的实用性和代表性，每个实例均给出了介绍、功能分析、程序代码和结果演示。(Chapter XI to the 13th chapter of the code in this book through more than 100 module instance, explain in detail the Verilog HDL programming language, the book is divided into 13 chapters, covering basic concepts VerilogHDL languages, modeling, synchronous design, asynchronous design, functional verification, etc. Examples include a variety of adder/counter, multiplier/divider, encoders/decoders, state machines, SPIMaster Controller, I2C Master controller, CAN ProtocolController, Memory modules, JPEG image compression module, encryption module, ATA controller, 8-bit RISC-CPU, etc. and the various instances of the corresponding module Testbench, The examples are highly practical and representation, each instance of it all gives the introduction, functional analysis, program code and results presentation.)

这是一个verilog代码实现的常用乘法器。设计的是通用N比特乘M比特的二进制乘法器(This is a common multiplier verilog code. Design of a generic N bits by M bits of the binary multiplier)

VHDL code of a counter Code VHDL d un compteur

应用背景电子自动售货机使用FPGA。 ；使用简单的Verilog仿真，我们可以很容易地实现硬件设计在我们的现实生活环境满足效率问题，成本和透明度。通过使用基于FPGA的EVM关键技术电子自动售货机使用FPGA