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uart 收发器 verilog 代码，实现自收发功能 sys clk = 25m, baud 9600 停止位1， 无校验位； 代码实现了串口自收发功能，及把从 PC 收到的内容都发送会 PC, 其他波特率，自行修改代码即可，在 alter 的FPGA 上调试通过； (verilog code uart transceiver to achieve self-transceiver function sys clk = 25m, baud 9600 1 stop bit, no parity code from the transceiver features a serial port, and the contents received from the PC will send the PC, another Potter rate, self-modifying code can, in the alter of the FPGA, debugging through )

EDA中常用模块VHDL程序，不同时基的计数器由同一个外部是中输入时必备的分频函数。分频器FENPIN1/2/3(50分频=1HZ，25分频=2HZ，10分频=5HZ。稍微改变程序即可实现)-EDA VHDL modules commonly used procedure, the time- with a counter by the external input is required when the sub-frequency functions. Frequency Divider FENPIN1/2/3 (50 1HZ frequency = 25 = 2HZ-frequency, frequency = 10 points Stripper. A slight change in procedure can be realized)

FFT 8 PT RDX 2 USING VERILOG

说明：  SDIO 接口，实现SD卡的控制器功能，带有详细的注释(SDIO Interface,to realize the controller of SD Card,and have detail description.)

说明：  基于FPGA设计的串口发送及接收程序，波特率可调(FPGA - based serial port sending and receiving)

this file describes the steps in building a fifo buffer module in verilog hdl and programming them on an fpga device

adc器件ads62p49配置代码，已在工程中验证可用(Temperature sensor DS18B20 parses the code, has verified the ADC device configuration code, has been verified available)

完整的GMSK调制及维特比译码，程序中包括了高斯滤波器的设计，调制相位的计算，并采用了维特比译码算法解调出原始码元，最后计算了其误码率。(Complete GMSK modulation and Viterbi decoding, the program includes a Gaussian filter design, the calculation of the phase modulation, and uses the Viterbi algorithm demodulates the source element, the final calculation of the bit error rate.)

在SOPC下制作自定义部件（PWM发生器）的源程序，包括硬件描述HDL文件和驱动程序文件-Produced in the SOPC custom component (PWM generator) of the source, including hardware description HDL files and driver files

这个并串转换代码是依靠同步状态机来实现其控制的。其实并串转换在实际的电路中使用还是比较多的，尤其在通信线路方面的复用和分解方面，原理上就是一个串并转换和并串转换的过程。举个简单的例子，计算机串口发送数据的过程，如果满足发送条件了，其实就是一个并串转换的过程了。好了，废话不说，看代码就是。 -And the string conversion of the code is relying on the synchronization state machine to achieve its control. In fact, string conversion circuit in the actual use of, or more, particularly in the area of communication lines and the decomposition of reuse, the principle is a string and the conversion and the conversion process and string. Here is a simple example, the computer serial port of the process of sending data, if sent to meet the conditions, but in fact is a process of conversion and a string. Well, do not talk nonsense, look at the code is.