RISC 微控制器

代码用两种方法设计了一个基于多相滤波的内插器，低通滤波器采用128阶凯撒窗，内插倍数32，并且给定信号范围，验证了内插器的正确性，画出了内插前后信号的频谱。(The code design the interpolator based on polyphase filter using two methods.The low pass filter is 128 order Caesar window and interpolation multiple is 32.I give the range of the signal to verify the interpolator and plot the spectrum of the signal before and after the interpolator. )

详细讲解时序约束培训教材，有利于更好对时序约束的理解(Timing constraints elaborate training materials, facilitate better understanding of the timing constraints)

ad9850函数发生器 MSP430单片机驱动程序 扫频 DDS(AD9850 DDS)

/功 能：1.实现与CPLD的通信,从而控制PWM的占空比. 2.实现LCD显示相关信息. // 3.实现对键盘按键的判断和确定相应的操作. 4.实现对电压电流的检测. // 5.实现过载保护功能,电流过大时,切断PWM输出,当排除过流故障后,自动恢复供电 // 6.实现用PID算法跟踪电压,实现稳压输出(/ Function: 1. Achieve communication with the CPLD to control the PWM duty cycle. 2 LCD Display relevant information.// 3. Realize the keyboard keys judgment and determine the appropriate action. 4. Achieve the voltage and current Detection// 5. achieve overload protection, current is too large, cut off the PWM output, when excluding overcurrent fault, automatically restore power// 6. achieve tracking voltage with PID algorithm to achieve the regulated output)

它是一种算法，它是用来在超大规模集成电路的乘法2

UART 变送器正以一个 8 位数据总线和 8 位地址总线。变送器 FIFO 是包含和发射机状态机包括国家： 闲着，开始的传输，传输停止的实际数据传输。UART 变送器可以连接到任何具有可配置的数据和地址总线的 UART 接收机。

说明：  实现在屏幕上显示绿色和红色相间的水平条纹。其中，vga_640x480模块将产生行同步信号hsyn和场同步信号 vsync; vga_stripes模块将产生red、green和blue三个输出。(The horizontal stripes of green and red are displayed on the screen. Among them, vga_640x480 module will produce line synchronization signal Hsyn and field synchronization signal vsync; vga_stripes module will produce red, green and blue three outputs.)

USB2.0的IP核开发.代码可以直接使用已经验证过(USB2.0 IP kernel development. Code can be used directly, has been verified)

说明：  一个简单的键盘接口模块程序，对键盘输入的数据和时钟信号进行过滤。过滤后的数据信号PS2Df将被送入两个11位移位寄存器中(A simple keyboard interface module program filters keyboard input data and clock signals. The filtered data signal PS2Df will be fed into two 11-bit displacement registers.)

用Quartus II开发的一个十进制计数器，包括仿真波形，下载文件，是完整工程。(With the Quartus II development of a decimal counter, including the simulation waveform, download files, is the complete project.)