介绍了PC微机与高速数字信号处理芯片TMS320C25组成的主从系统的基本原理，其中对系统的总体设计、双端口RAM技术、总线管理电路和切换控制电路作了详细论述．同时也对系统作了仿真实验研究，结果令人满意。

Design of the Host-Slave System with PC and TMS320C25 Tian Hong; Chen Siyun; Cuo Wei (Engineer,Dept. of Instrument & Device,WUT,Wuhan 430070,China.) the paper introduces the basic principle of the host-slave system,with the help of PC computer and TMS320C25, in this paper,the general logic block of the Host-Slave system,two-terminal RAM technology,switch control and the circuit of Bus management between PC computer and TMS320C25 are discussed in detail;the system simulate laboratory was completed,and the resulted is satisfied. digital; signals; signal; processing; singal-chip processor; digital signal