Description: 此实验实现简易的数字钟,通过数码管显示出来学习数码管的动态扫描原理及方法-experimental realization of this simple digital clock, a digital control study demonstrated the dynamics of the digital scanning principle and method Platform: |
Size: 1215 |
Author:Eric |
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Description: 此实验实现简易的数字钟,通过数码管显示出来学习数码管的动态扫描原理及方法-experimental realization of this simple digital clock, a digital control study demonstrated the dynamics of the digital scanning principle and method Platform: |
Size: 1024 |
Author:Eric |
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Description: 摘 要：AD9852是美国AD公司生产的新型直接数字频率合成器(DDS)，是一种使用方便灵活、功能较强的芯片。这种商用集成芯片可用于本振合成回路，高精度时钟发生器等。介绍了AD9852的工作原理、功能及其在本机振荡器中的应用。
-Abstract: AD9852 is AD the United States produced a new type of direct digital synthesizers (DDS), is a flexible and easy to use, more powerful chips. This chip can be used for commercial LO synthesis loop, high-precision clock generator, etc.. Introduce the working principle of the AD9852, functions and its application in the local oscillator applications. Platform: |
Size: 103424 |
Author:梅名 |
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Description: 摘要：AD9852是美国ANALOGDEVICES公司生产的新型直接数字频率合成器(DDS)，具有频率转换速度快(小于lt~s)、频谱纯度高、工作温度范围宽(一25℃～+85℃)、集成度高等特点，是一种使用方便灵活、功能较强的芯片。AD9852由带有48位相位累加的数控振荡器、可墒程参考时钟倍乘器、反向正弦滤波器、计数倍乘器、两个300MHz12住数模转换器、高速模拟比较器和接口逻辑组成。可用于本振合成回路，高精度时钟发生器和FSK／／3PSK调制。文中介绍了AD9852的工作原理、引脚功能以厦具体应用。 -Abstract: AD9852 is Analog Devices Inc. The United States produced a new type of direct digital synthesizers (DDS), with frequency conversion speed (less than lt ~ s), the spectrum of high purity, the working temperature range of width (1 25 ℃ ~+ 85 ℃) , high integration, is a flexible and easy to use, more powerful chips. AD9852 by a cumulative 48 DCO phase can be moisture-way Multiplier times the reference clock, reverse sine filter, multiplying count, two 300MHz12 live digital, high-speed analog comparator, and interface logic composition. Can be used in the synthesis loop vibration, high-precision clock generator and FSK// 3PSK modulation. This paper introduces the working principle of AD9852, pin functions to specific application of Xiamen. Platform: |
Size: 126976 |
Author:梅名 |
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Description: 本次设计中以单片机的发展过程和发展方向为背景，介绍了单片机的输入输出的工作原理和操作方法，中断的工作原理和操作方法。4511的工作原理和操作方法，LED的内部结构。电路设计及调试过程。
本次做的数字钟是以单片机（AT89C51）为核心，结合相关的元器件（共阴极LED数码显示器、BCD-锁存/7段译码/驱动器CC4511等），再配以相应的软件，达到制作简易数字钟的目的，其硬件部分难点在于元器件的选择、布局及焊接。
-The design of a single-chip development process and the development direction for the background, introduced the single-chip input and output of the working principle and method of operation, interruption of the working principle and method of operation. 4511 the working principle and method of operation, LED s internal structure. Circuit design and debugging process. To do this is based on single-chip digital clock (AT89C51) as the core, combined with related components (common cathode LED digital display, BCD-latch/7 segment decoder/driver CC4511, etc.), together with the corresponding software to create simple digital clock The purpose of the hardware part of the difficulties lies in the choice of components, layout and welding. Platform: |
Size: 1253376 |
Author:thocr |
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Description: 电子数字钟的原理分析。有电路图。还含有c源程序-The principle of electronic digital clock analysis. There are circuit diagrams. Also contains c source code Platform: |
Size: 16384 |
Author:郭小华 |
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Description: 设计Principle of computer interface technology and curriculum design
电子时钟课程设计
不是单片机那种啊!!! 要用数码管显示的
设计目的：
掌握中断处理程序的编程方法
掌握数码显示电路的驱动方法
问题补充：实验内容：
利用PC机的硬件定时8253、中断和数码显示电路，设计一个电子时钟，格式：XX XX XX从左向右分别为:时、分、秒 -Design Principle of computer interface technology and curriculum design curriculum design electronic clock is not the kind of single-chip ah!!! Use digital display is designed to: have interrupted the process of programming method for digital display circuit driven methods added: Experiment content: the use of PC-hardware timer 8253, interrupt and digital display circuit, the design of an electronic clock, format: XX XX XX from left to right are: hours, minutes and seconds Platform: |
Size: 1024 |
Author:张玉鹏 |
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Description: 数字电子钟设计完整设计，包括原理介绍，程序设计，波形仿真-Design a complete digital electronic clock design, including the principle of introduction, program design, waveform simulation Platform: |
Size: 148480 |
Author:Daili |
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Description: 此次设计与制做数字钟就是为了了解数字钟的原理，从而学会制作数字钟.而且通过数字钟的制作进一步的了解各种在制作中用到的中小规模集成电路的作用及实用方法.且由于数字钟包括组合逻辑电路和时叙电路.通过它可以进一步学习与掌握各种组合逻辑电路与时序电路的原理与使用方法.-Design and production of the digital clock digital clock in order to understand the principle, so learn to create digital clock. But also through the production of digital clock further understanding of the production of integrated circuits used in the role of small and medium-sized and practical methods. And As the digital clock including the combinational logic circuit and the circuit when Syria. through its further study and master the various combinations of logic circuits and sequential circuits Principle and usage. Platform: |
Size: 766976 |
Author:liuyunlong |
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Description: 本实验板的制作原则，简单实用。资源： 8 个LED（闪灯，走马灯，各式花样灯）。4 个数码管（时钟显示，遥控码显示，计数显示等各种显示）。6 个按键（按键扫描，中断，计数器）。 AT24C02（I2C 总线接口实验）。6个接收头（家电遥控器接收，解码）。MAX232（串行RS232 和电脑通迅实验）。蜂鸣器提供各种实验的例程，让初学者轻松学会单片机编程。其中的遥控解码程序，可将红外遥控器的代码显示到LED 上，是遥控开发的好工具。-This experiment the production of plate principle, simple and practical. Resources: 8 LED [flashing lights, lantern, all kinds of synchronized lights]. 4 digital tube [clock display, remote control code indicates that count showed a variety of display]. 6 button [button scanning, interruption, counters]. AT24C02 [I2C bus interface experiment]. 6 to receive the first [home appliance remote control receiving, decoding]. MAX232 [Serial RS232 communication and computer experiment]. Buzzer to provide a variety of experiments routine to allow beginners to easily learn to single-chip programming. One of the remote control decoding procedure can be infrared remote control code to the LED display on the remote control are a good tool for development. Platform: |
Size: 236544 |
Author:zhihujj |
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Description: 1. LED的显示原理：
16×16扫描LED点阵的工作原理同8位扫描数码管类似。它有16个共阴极输出端口,每个共阴极对应有16个LED显示灯，所以其扫描译码地址需4位信号线（sel0-sel3），其汉字扫描码由16位段地址（l0-l15）输入。 通过时钟的每列扫描显示完整汉字。
2. 本试验实现输出“欢迎光临”四个汉字，采用两种格式输出：（1）依次从右向左连续输出；（2）单个汉字从上及下刷新输出。
-1. LED display Principle: 16 × 16 dot matrix LED scanning the working principle of the same 8-bit digital tube similar scan. It has a total of 16 cathode output ports, each corresponding to a total of 16 cathode LED display lights, so the scan decoding addresses of four signal lines (sel0-sel3), its characters scanned by the 16-bit code segment address (l0- l15) input. Through the clock out of every scan revealed a complete character. 2. In this study, the achievement of output, " Welcome to the" four Chinese characters, the use of output in two formats: (1) followed by continuous output from right to left (2) a single character from the previous and the next refresh the output. Platform: |
Size: 7168 |
Author:soisit |
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Description: 数字钟是一种用数字电路技术实现时、分、秒计时的装置，与机械式时钟相比具有更高的准确性和直观性，且无机械装置，具有更更长的使用寿命，因此得到了广泛的使用。数字钟从原理上讲是一种典型的数字电路，其中包括了组合逻辑电路和时序电路。目前，数字钟的功能越来越强，并且有多种专门的大规模集成电路可供选择-Digital Clock is a digital circuit technology with the hours, minutes, seconds, timing devices, as compared with the mechanical clock has a higher accuracy and intuitive, and no mechanical devices, with more longer life, so be a wide range of use. Digital clock from the principle of speaking, is a typical digital circuits, including combinational logic circuits and sequential circuits. At present, the digital clock and more powerful, and there are a variety of specialized large scale integrated circuits to choose from Platform: |
Size: 3072 |
Author:华成 |
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Description: 数字电子钟的设计原理，可设内容，全部都是逻辑设计，可供参考-The design principle of digital electronic clock, may set the contents of all logic design, for reference Platform: |
Size: 320512 |
Author:张龙 |
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Description: 这是一个简单的时钟综合实验，能够了解始终的工作原理，外部中断原理，单片机控制的多位数码管扫描显示电路，数码管动态显示的原理。-This is a simple clock experiments, always be able to understand the working principle, the principle of external interrupt, a number of microprocessor controlled digital tube to scan the display circuit, the principles of digital control dynamic display. Platform: |
Size: 3072 |
Author:云 |
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Description: 利用51单片机也数码管实现电子钟的功能，需要用到Proteus 7 Professional画原理图。-Use of 51 SCM also realize the function of digital tube electric clock, need to use Proteus 7 Professional painting principle diagram. Platform: |
Size: 64512 |
Author:高洪波 |
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Description: 用FPGA实现的数码管时钟，使用的是Nexys4开发板，所以使用了视觉暂留原理实现数码管的显示。-FPGA implementation with digital clock, using Nexys4 development board, so the use of the principle of persistence of vision to realize digital tube display. Platform: |
Size: 537600 |
Author:mmhy |
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Description: （1） clkdiv 模块：对50MHz 系统时钟 进行分频，分别得到190Hz，3Hz
信号。190Hz 信号用于动态扫描模块位选信号，3Hz 信号用于fib 模块。
（2） fib 模块：依据实验原理所述Fibonacci 数列原理，用VHDL 语言实现数列
（3） binbcd14：实现二进制码到BCD 码的转换，用于数码管显示。
（4） x7segbc：采用动态扫描，使用4 位数码管依次显示Fibonacci 数列数据。
实验采用3Hz 频率来产生Fibonacci 数列，因而显示频率较快，设计者可根据需要修改
程序，使得数列产生速度减慢，如可使用1Hz，或者更慢的速度，以便能在数码管上清晰的观察到Fibonacci 数列的变换过程。，-(1) clkdiv module: the 50MHz system clock system clock frequency, were 190Hz, 3Hz
signal. The 190 Hz signal is used to dynamically scan the module bit signal and the 3 Hz signal is used for the fib module.
(2) fib module: According to the experimental principle described in the principle of Fibonacci series, with VHDL language series
(3) binbcd14: Binary code to achieve the BCD code conversion, for digital display.
(4) x7segbc: the use of dynamic scanning, the use of four digital display Fibonacci sequence data in turn.
Experiments using 3Hz frequency to generate Fibonacci sequence, which shows a faster frequency, the designer may need to modify
Program, making the series produced slower, such as can be used 1Hz, or slower speed, so that the digital tube can be clear
The transformation process of the Fibonacci sequence is observed. , & Lt Platform: |
Size: 667648 |
Author:panda |
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Description: 数字钟的精度、稳定度远远超过老式机械钟。在这次设计中，我们目前只采用LED数码管显示秒来显示最高秒为99秒的方式，根据数码管动态显示原理来进行显示，用基于C52单片机、12MHz的晶振产生振荡脉冲。(The accuracy and stability of the digital clock are much higher than that of the old mechanical clock. In this design, we only use LED digital display to display the second highest seconds for 99 seconds, according to the principle of dynamic display of digital tube to display oscillation pulse with C52 microcontroller, based on 12MHz crystal.) Platform: |
Size: 8192 |
Author:tzh123
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