基于FPGA的RISC微处理器的设计与实现

Design and Implement of RISC Microprocessor Based on FPGA

基于FPGA和电子设计自动化技术,采用模块化设计的方法和VHDL语言,设计一个基于FPGA的R ISC微处理器。该微处理器主要由控制器、运算器和寄存器组成,具有指令控制、操作控制、时间控制和数据加工等基本功能,其指令长度为16位定长,采用立即寻址和直接寻址两种方式。仿真结果表明,基于FPGA的R ISC微处理器的时钟频率为23.02MH z,且功能完全达到设计要求。

A RISC microprocessor is developed by using modular design method and VHDL language based on FPGA and EDA technology. The microprocessor mainly consists of controller, operator and registers, and have the basic functions of instruction control, operation control, time control and data process. Its instruction length is 16 bits. Immediately addressed and directly addressed are adopted. Its clock frequency reaches 23. 02MHz and its function is satisfied.