[biyesheji_huibian.rar] - 基于MCS-51单片机的数字钟设计 [摘要] III [ABSTRACT] IV 引言 1 1绪论 2 1.1 集成电路 2 1.2 主要技术的背景 2 1.2.1 发展历史 2 1.2.2 现状 3 1.2.3 发展趋势 3 2器件简介 4 2.1 LED显示器 4 2.1

-[biyesheji_huibian.rar]- Based on MCS-51 single chip digital clock design [Abstract] III [ABSTRACT] IV INTRODUCTION 1 1 Introduction 2 1.1 IC 2 1.2 key technical background 2 1.2.1 Current Situation 1.2.2 Development history 2 3 1.2.3 Development Trend 3 2 Introduction 4 2.1 LED devices display 4 2.1