RiscCpu

DAC0832的Verilog代码，适用于与ADC0809同时学习，效果明显！(DAC0832 Verilog code, applicable at the same time with ADC0809 learning, the effect is obvious!)

波形产生器：用VHDL编写的波形产生器程序-Waveform Generator: Using VHDL prepared waveform generator procedure

DDS的VHDL程序，相当好，值得下载，共享才是王道(DDS, VHDL program is quite good, worth downloading, sharing is king)

Simulation and Synthesis Techniques for Asynchronous FIFO Design

SPI控制器，基于VERILOG描述，分模块设计，共6个模块，时钟产生模块，移位模块，主模块，从模块，定义模块，顶层模块。(SPI controller, based on the VERILOG description, sub-module design, a total of six modules, clock generation module, shift module, main module, from the modules, custom module, top module.)

relative cpu design implementation

说明：  在FPGA内利用verilog实现数字上变频(apply the verilog to implement the digital up frequency)

VGA图象显示控制器设计,实现在VGA显示器上显示图象.-VGA image display controller designed to achieve the VGA display shows images.

FPGA 点亮数码管的灯，本例程支持6位数码管，因为我的FPGA开发板是这样子的(The lamp of digital tube illuminated by FPGA)

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.)