The research work of this dissertation mainly includes:1. Based on the deep research of the PowerPC750 architecture and PowerPC 60X bus protocol, the dissertation presents the design of bus interface unit of the microprocessor.

• 1) 深入研究PowerPC750微处理器体系结构和PowerPC 60X总线协议,完成了“龙腾R2”微处理器总线接口部件的设计。