免费8051核心上传

针对某船舶模型定位系统中调速电机，以FPGA(现场可编程门阵列)为控制器，采用数字比例积分调节器实现电机的速度控制算法，设计出数字化调速控制器(Positioning system for a ship model in the motor speed, the FPGA (field programmable gate array) for the controllers, proportional integral regulator with digital speed of the motor control algorithm, designed digital speed controller)

8251的完整的功能的实现,可以进行编译,综合.-8251 complete function of the realization can be compiled and integrated.

wm8731音频编解码芯片使用介绍,该手册里面对该芯片进行了详细的描述，对各个单元模块也进行了详细的阐述(the handbook of WM8721/WM8731L)

驱动8*8点阵块显示汉字，可以自己根据要显示的内容随意更改，已通过验证。(Blocks of 8* 8 dot matrix drive display Chinese characters, you can display the content according to their random changes, has been verified.)

高精度直流信号源，DAC1220，20位分辨率，双极性输出(High-precision DC source, DAC1220,20 bit resolution, bipolar output)

vhdl 加法器 vhdl 加法器 vhdl 加法器-vhdl　adder vhdl　adder vhdl　adder

在FPGA开发板显示字符串,采用VHDL语言,以简单的功能说明FPGA的开发流程.-In the FPGA development board shows the string, using VHDL language, in a simple functional description FPGA-development process.

FPGA读取LM75A温度数据，并在段码LED上实时显示。(The temperature data of LM75A are read by FPGA and displayed on segment code LED in real time)

sdram controller vhdl

简易函数发生器，能产生正弦波，三角波，梯形波，方波，并且可调频率和幅度值。(Simple function generator can produce sine, triangle wave, trapezoidal wave, square wave, and the adjustable frequency and amplitude values.)