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ＴＭＳ３２０Ｃ２５数字信号处理器是一种高性能的单片信号处理器。它不仅广泛应用于各种信号处理系统，也广泛应用于各种控制系统。由于ＴＭＳ３２０Ｃ２５信号处理器各方面的优越性，故采用它作为中央处理单元（ＣＰＵ）构成的系统越来越多。在用ＴＭＳ３２０Ｃ２５构成的系统中，为了使此高速ＣＰＵ能够与低速外围器件接口，系统中必须设置等待电路。等待电路是以ＴＭＳ３２０Ｃ２５为ＣＰＵ所构成的系统的基本配置。本文提出了一种有别于ＴＭＳ３２０Ｃ２５用户手册的等待电路的设计，并在实际中得到了应用。
The TMS320C25 digital signal processor is a high performance monolithic signal processor. It is not only widely used in various signal processing systems, but also widely used in various control systems. Due to the superiority of TMS320C25 signal processor in all aspects, the system using it as a central processing unit (CPU) is becoming more and more. In the system composed of TMS320C25, in order to make this high-speed CPU interface with low-speed peripheral devices, the system must be set up to wait for the circuit. Wait for the circuit is based on TMS320C25 CPU system composed of the basic configuration. This paper presents a different from the TMS320C25 user manual waiting circuit design, and in practice has been applied.