Monolithic integrated circuit AT89C51的意思|示意

The article to at89C51 monolithic integrated circuit chip, the crystal oscillator, various primary devices which as well as the pressed key control model involved has made the detailed introduction.

文章对AT 89 C 51单片机芯片，晶体振荡器，涉及到的各元器件以及按键控制模型做了详细的介绍。

This article proposes with designs frequency meter's method based on at89C51 monolithic integrated circuit to be possible to obtain the precision to be high, the frequency range wide frequency meter.

本文提出的用基于AT 89 C 51单片机设计频率计的方法可获得精度较高、频率范围宽的频率计。