内有LED译码器，汉明纠错译码器，地址译码器，最高优先译码器，双2－4译码器等VHDL的源代码...

vhdl应用汇编所写的关于电梯的详细程序-Applications written in VHDL compilation of detailed procedures on the elevator

spwm dcac逆变 fpga与单片机一起作用(sdad)

通过代码控制音频编/解码硬件芯片WM8731， 通过按键控制音频输出的音量(Audio codec hardware chip WM8731 is controlled by code, and audio output volume is controlled by keys.)

说明：  实现主干道交通灯显示，以状态机程序实现，并用数码管进行红绿灯倒计时的显示，内置计数模块，交通灯控制模块，数码管显示模块，并对各模块用电路图的方式进行连接。对于学习VHDL语言有所帮助。(The main road traffic light display is realized by the state machine program, and the digital tube is used to display the traffic light countdown. The counting module, the traffic light control module and the digital tube display module are built in, and each module is connected by the circuit diagram. It is helpful for learning VHDL.)

Verilog经典教程，很好的学习Verilog的书籍，对学习硬件编程很有帮助。(Verilog classic handbook, good learning Verilog books, to learn hardware programming helpful.)

芯片ad0809与da0832的实现程序-ad0809 chip with the realization procedures da0832

VEROLOG的重要PPT资料,对初学者非常有益处-PPT important VEROLOG information is very useful for beginners

vhdl状态机设计,文件简单详细易懂，可以使用在交通灯，文件配置等系统上。(vhdl state machine design, simple, detailed and easy to understand, you can use the traffic light system file configuration file.)

DA9125 配置spi程序 正弦波产生(DA9125 configuration spi program sine wave generated)

说明：  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.)