基于單片機(jī)的數(shù)字秒表設(shè)計(jì)

1、 2011屆學(xué)士學(xué)位論文 基于單片機(jī)的數(shù)字秒表設(shè)計(jì)學(xué)院 、 專業(yè) 物理與電子信息學(xué)院 電子信息工程 研 究 方 向 單板微型計(jì)算機(jī) 學(xué) 生 姓 名 學(xué) 號(hào)

2、 20071342139 指導(dǎo)教師姓名 指導(dǎo)教師職稱 2011 年 4 月 29 日基于單片機(jī)的數(shù)字秒表設(shè)計(jì)IDigital stopwatch design based on Single-Chip MicrocomputerSchool of Physics and Electronic Information Huaibe

3、i Normal University 235000Abstract In the 21st century，the technology of SCM develops very quickly. SCM which is a major piece of computer components is integrated into the chip micro-computer. It is a multi-interface

4、and counting on the micro-controller integration, and intelligence products are widely used in industrial automation, and MCS-51 microcontroller is a typical and representative. This design of digital electric stopwatch

5、system employs STC89C52 single-chip microcomputer as the core part. Based on the principle of timing and counting, the stopwatch is designed by integrating display electric circuit, LED digital pipe and independent keybo

6、ard, combining both software and hardware. The software system of this design is written in C. The design includes a timer interrupt and four independent keyboards，software away shaking and so on. Finally it makes a di