介绍了IBM-PC微机与高速数字信号处理器DSP TMS 320 C 25之间进行通讯的基本原理和方法。其中对双端口RAM技术及并行通信作了详细论述。

Communication Interface Design of the IBM-PC Computer and DSP Chen Siyun Ge HongThe paper introduces the Communication priniciple of high-speed Digitial Signal Process (DSP) chip——TMS 320 C 25, with the help of the Intel 8255 and two terminal RAM. In this paper, the general logical priniciple of TMS 320 C 25,high-speed data transport between TMS 320 C 25 and PC Computer with the two terminal RAM and Intel 8255 are discussed in detail. The design method and skill of the communcation interface is also expounded in detail.digital signals; signal processing; signal-chip processor; digital signal processing chip