基于单片机的GPS高精度授时时钟设计

学士学位毕业设计（论文）

基于单片机的GPS高精度授时时钟设计

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专业：农业电气化

摘要

本文设计了一种基于P89LPC952高速单片机的GPS卫星授时时钟。它由接收机、中央处理单元、LCM显示、键盘、输出接口组成。利用接收机提供的标准时间信号，通过中央处理单元对数据的处理，从而可同步输出时间数据，保证高精度授时。这不仅解决了时间获取问题，而且能真正实现全球范围内的时间校准。更创新性地集成了全世界212个城市的实时时间显示。与传统方法相比，这种全新的时钟同步方法具有实现手段简单、精度高、范围大、不需

通道联系、不受地理和气候条件限制等众多优点，是时钟同步的理想方法。本文介绍了基于P89LPC952的GPS授时时钟装置的硬件；根据装置要实现的功能，给出了主程序和中断程序的流程图和程序介绍。

关键词：授时时钟 P89LPC952 GPS 中央处理单元

ABSTRACT

A kind of GPS satellite timing clock based on the P89LPC952 High-speed MCU is recommended in the following thesis. It is composed of receptors、central proceeding sections, LCM, keyboard and output connectors. The central proceeding section could deal with the data to make the output time data by use of the standard time signals supplied by receptors, thus, keeping highly precision timing. By this way, not only solve the problem of the time obtained, but also the time in the worldwide is really completely unified. Even more, creatively integrates 212 cities of the world wide’s real-time display. C

熔铜炉ompared with conventional method, this new synchronous clock plan has many advantages, such as simple, high precision, wide extension, no channels needed, no confine of geography and weather environment and so on. It is the ideal way to synchronize the clock阻尼电机. zne1In the following paper, represent the hardware of the GPS timing clock based on the P89LPC952 High-speed MCU. According to the function of the device, list the flow chart of the main program and the interrupt program and the introduction of those programs.

无水硫铝酸钙

Keywords:模板的制作 Timing clock P89LPC952 GPS Central proceeding section

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