Matchmaker Design from PCI Bus to 8051 Based on S5933 Cai Xiongfei\ Wang Xuan Postgraduate,School of Automation, WUT, Wuhan 430070,China.This paper introduces the characteristic of PCI bus, and puts emphasis on the S5933 controller produced by AMCC.Furthermore, the paper tells how to design the interface design from PCI bus to 8051 based on S5933.PCI bus; S5933; matchmaker