一种高性能的嵌入式微处理器:银河TS-1

A High Performance Embedded Microprocessor:YH TS-1

银河TS 1嵌入式微处理器是国防科学技术大学计算机学院设计的 32位嵌入式微处理器 ,完全正向设计 ,具有自主版权 .在体系结构上采用RISC内核 ,六级流水线 ,具有独立的数据Cache和指令Cache .特别的 ,TS 1具有两个取指部件的动态指令调度机制 ,拥有面向嵌入式应用的向量处理机制 ,采用基于内容复制 /交换的寄存器窗口技术的中断处理机制 ,支持WISHBONEIP核互连接口规范 ,具有良好的扩展性 .本文主要介绍TS 1的RISC核心设计思想和关键实现技术 ,最后给出性能评测结果 .TS 1设计已经在Altera的FPGAEP2 0K4 0 0EBC上面得到了验证 ,主频可以达到 36 .7MHz.

YH TS 1 is a 32 bit embedded microprocessor designed by School of Computer in National University of Defense Technology.It is a top down design and has fully intellectual property.YH TS 1 has a RISC core,six stage pipeline,separated data Cache and Instruction Cache.Specially,YH TS 1 has dynamic instruction schedule with two instruction fetch units,vector processing mechanism towards embedded application,content copy/switch based register window interrupt processing mechanism,and support of the open WISHBONE IP interface specification.This paper will mainly describe the YH TS 1 RISC core design methodology and its critical implementation technologies.The experimental results will also be given at the end of the paper.TS 1 has been implemented and verified in Altera's FPGA EP20K400EBC,and the clock frequency can be 36.7MHz.