For this purpose, a new type of Multifunction instrument was developed by using 87c552 single-chip processor as main component to be satisfied for reforming the system in low-cost.

为此，以87c552单片机作为核心部件研制了一种新型多功能测控仪表，较好地满足了对测控系统进行低成本技术改造的需要。

youdao

The operating principle and architecture of both hardware and software of the single chip computer based intelligent instrument for this purpose are presented in this paper.

本文主要介绍了一种基于单片机的智能型保护接地电路连续性测试仪的工作原理、硬件和软件的结构。

youdao