这个免费的CPU

DSP与FPGA时序接口模块，已经经过测试，保证读写稳定(The Interface of DSP to FPGA)

说明：  介绍如何使用 FPGA 内部的 ROM 以及程序对该 ROM 的数据读操作。(This paper introduces how to use the ROM inside the FPGA and how to read the data of the ROM by the program.)

本文通过大量的例子讲解VHDL。对于初学者来说是一本非常好的 教材-Based on the large number of examples of VHDL. For a newcomer it is a very good teaching

FPGA与DSP的EMIF通信，EMIF的RAM这方面相应的程序(FPGA and DSP EMIF communication)

驱动0.96寸的oled显示数字和字母，(Drive 0.96 inch OLED to display numbers and letters.)

DE2-70开发板中附带的控制面板，可以读取存储器中的数据，这个可以正常连接和读取，有好几版本的，有的不能用，而这个经过我亲自测试。(DE2-70 development board comes with a control panel, you can read the data in the memory, this can be properly connected and read, there are several versions, and some can not be used, and this after I personally tested.)

FPGA课程设计源码，整合VGA,PS2键盘，CORDIC三角函数算法，在basys2平台上使用完全可行。(FPGA curriculum design source, integrated VGA, PS2 keyboard, CORDIC trigonometric algorithm, used on basys2 platform entirely feasible.)

max_plus开发的 有max_plus就可以直接运行的交通灯制作 用vhdl语言编写的-max_plus development of max_plus can direct the operation of traffic lights produced by VHDL language

说明：  CPU设计，包含基本的指令集，能执行简单的程序。考虑了CPU，寄存器，存储器和指令集之间的关系。即读写寄存器，读写存储器和执行指令。(CPU design, including basic instruction set, to execute a simple program. Consider the CPU, registers, memory, and the relationship between instruction sets. That read and write registers, read and write memory and execution.)

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.