51单片机接受红外遥控的C语言源码，可应用电视遥控器
51 infrared remote control microcontroller to accept the C language source code that can be applied to TV remote control (2007-06-06, WORD, 3KB, 下载458次)
多功能数字钟设计
一、设计任务：
（一）主体功能
用HDL设计一个多功能数字钟，包含以下主要功能：
1.计时及校时，时间可以24小时制或12小时制显示
2.日历：显示年月日星期，及设定设定功能
3.跑表：启动/停止/保持显示/清除
4.闹钟：设定闹钟时间，整点提示
multifunctional design of a digital clock, design tasks : (1) the main function of HDL design with a multi-function digital clock, includes the following main functions : 1. metering and school, time can be 24 hours or 12 two-hour show. Calendar : Displays date weeks, Setting function and 3. stopwatch : start/stop/maintain Display/4 clearance. alarm clocks : Set an alarm time. suggested the whole point (2007-07-06, WORD, 304KB, 下载182次)
中南大学数字电子技术课程设计--数字钟的设计
一.设计目的
1. 进一步掌握各芯片的逻辑功能及使用方法。
2. 进一步掌握数字钟的设计方法和和计数器相互级联的方法。
3. 进一步掌握数字系统的设计和数字系统功能的测试方法。
4. 进一步掌握数字系统的制作和布线方法。
二.设计要求
1．设计指标
数字钟具有显示时、分、秒的功能；
有校时功能，可以分别对时及分进行单独校时，使其校正到标准时间；
计时过程具有报时功能，当时间到达整点前10秒进行蜂鸣报时，报时声音四低一高；
并且要求走时准确。
2．设计要求
画出电路原理图（或仿真电路图）；
元器件及参数选择，有相关原器件清单；
3．制作要求 自行装配和调试，并能发现问题和解决问题。
4．编写设计报告 写出设计与制作的全过程，附上有关资料和图纸，有心得体会。
err (2008-01-17, WORD, 156KB, 下载120次)
摘 要
本设计采用单片机（89S52芯片）为系统的控制核心。整个设计采用了模块化的设计思想，包括直流稳压电源模块、LED数码管显示模块、自动校零电路模块、采样电路模块、测量电路模块。
This system regards the request of the topic, adopting 80C51 for controlling core, (2009-08-26, WORD, 339KB, 下载31次)
【设计题目】
多功能数字钟的设计
【设计目的】
1掌握数字系统的分析和设计方法
2能够熟练的、合理的选用集成电路器件
3熟悉EWB软件的使用。
【设计指标及要求】
设计一个多功能数字钟，以一昼夜24小时为一个计数周期。准确计时，具有“时”“分”“秒”数字显示。整点能自动打点、报时。要求报时声响四低一高，最后一响为整点。具有校时功能。要求电路主要采用中小规模CMOS集成电路。要求电路尽量简化，并选用同类型的器件。在EWB电子工作平台上进行电路的设计和计算机仿真。
Title] [design multi-functional digital clock design 1] [designed to exploit the digital system analysis and design method of 2 to skilled, reasonable choice of integrated circuit device 3 familiar with the EWB software. [] Design specifications and requirements to design a multi-function digital clock, 24 hours a day for a cycle count. Accurate time, a when sub seconds The figures show. Automatically runs the whole point, the newspaper. Four-time low noise requirements of a high, the final point for the whole ring. With a school function. Requirements are mainly small and medium-sized circuits CMOS integrated circuits. Asked the circuit as simple as possible and select the same type of device. EWB work in the platform of electronic circuit design and computer simulation. (2008-01-03, WORD, 193KB, 下载24次)
本文介绍了利用quartus II软件进行的多功能数字时钟设计，实现保持、清零、快速校时、快速校分、整点报时、彩铃闹钟、星期显示等功能，并对每一模块分别进行解释。
This paper describes quartus II software, multi-functional digital clock design, implementation, maintain, clear, fast school, the rapid school hours, the whole point of time, ring tones alarm clock, week display function, and explain each module separately . (2010-04-13, WORD, 718KB, 下载18次)
这次毕业设计通过对它的学习、应用，以AT89C51芯片为核心，辅以必要的电路，设计了一个简易的电子时钟，是以单片机AT89C51为核心元件同时采用LED数码管显示器动态显示“时”，“分”，“秒”的现代计时装置。它由单片机作为数字钟的核心控制器，通过它的时钟信号进行实现计时功能，将其时间数据经单片机输出，利用显示器显示出来。通过键盘可以进行校时、定时等功能。输出设备显示器可以用液晶显示技术和数码管来显示技术。
模块化的设计和调试方法在整个课题研究过程中至关重要，事实上在任何设计中也同样关键和有效。
The graduation design based on the study and application, it is the core, with AT89C51 chips with the necessary circuit design, a simple electronic clock, based on single-chip AT89C51 as the core element using LED digital display dynamic display of the tube, "" points", "second" modern timing devices. It consists of single chip microcomputer as the core controller, digital clock through its clock signal timing function, will realize its time, using SCM outputs data display. Through the keyboard can be reset, timing etc. Function. Output devices with LCD monitors can technology and digital tube to display technology.
Modular design and debug method in the research process, in fact is crucial in any design is also the key and effective.
(2010-11-13, WORD, 410KB, 下载8次)
数字电子钟是一种精确的计时工具，它精确显示秒、分、时，是一种比传统机械表更灵活方便的钟表。还可附加闹铃，报时等功能。因而在日常生活的各种领域应用广泛。数字电子钟由秒信号发生器、“时、分、秒”计数器，译码器及显示器，校时电路组成。秒信号发生器是整个系统的时基信号，作为秒脉冲送入计数器，计数结果通过“时、分、秒”译码器显示时间
Digital electric clock is an exact timing tool, it is precisely that, when, is a more flexible than the traditional mechanical clocks convenience. Still can add alarm, time, etc. Therefore in the daily life of various fields. Digital electric clock by the second signal generator, "when, minutes and seconds" decoder and monitor the counter, school, when the circuit. Second signal generator is the system of signal, as the yankees pulse, count results through to counter ", minutes and seconds "decoder shows the time. (2009-04-14, WORD, 86KB, 下载5次)
电子钟的设计
1.实现秒、分、时的计时，并显示于屏幕中央；
2.能够校时；
3.能够半点、整点报时
Designed with a specific function of a digital electronic clock (2012-01-10, WORD, 40KB, 下载3次)