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基于AT89S52单片机的频率计设计
一.显示年频率,周期,脉宽 三个功能二.在液晶显示器上显示上面三个功能的数值三.带掉电保护功能,掉电后,重新开机,显示先前对应参数测量值,按退出键,重新开始测量,否侧,先前存储到24C02里面的数据不更新电路描述: 一.芯片:AT89S52,液晶显示器LCD12684,脉冲信号发生器,示波器 二.行列式键盘键功能设置: 确认键:0x48(E); 功能选择键:0x28(D); 返回键:0x88(F)
- 2023-05-21 06:50:03下载
- 积分:1
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可以用masm32编译
可以用masm32编译-compiler can be used between
- 2022-06-26 18:50:40下载
- 积分:1
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原理是,通过8279来实现8 * 2键盘的控制扩展…
实现原理是由8279的8*2键盘控制373扩展输出口,由一位片选信号线连接的8088CPU的一个地址上,8279的每一个键值控制8088里面的每一套方案,由8088控制373扩展口输出给单色灯,实现节日灯的效果。-Principle is that by 8279 to achieve the 8* 2 keyboard to control the expansion of output 373, by a chip select signal lines connected to an address on 8088CPU, 8279 every 8088 key control inside each set of program control 373 by 8088 expansion of output to the monochrome lights, festive lights to achieve results.
- 2022-07-04 19:54:07下载
- 积分:1
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我们汇编语言的一个大作业,一个主程序,调用三个模块
我们汇编语言的一个大作业,一个主程序,调用三个模块-a major operation, a main program, called three modules
- 2023-01-17 13:55:03下载
- 积分:1
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用于mann
用于mann-kendall趋势分析,由于本人水平有限,只能做到这一步了,请凑活着用吧。-Mann-kendall for trend analysis, due to limited I can only do this step, please use your living together.
- 2022-08-19 12:21:23下载
- 积分:1
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任意图形的相交,相切,进行计算机的图形处理程序。
任意图形的相交,相切,进行计算机的图形处理程序。-Arbitrary graphics intersection, tangent, computer graphics processing.
- 2022-01-25 17:57:03下载
- 积分:1
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数字钟设计 数字钟设计
源码
数字钟设计 数字钟设计
源码-numbercolck
- 2022-02-21 23:07:46下载
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the filter program write myself,the effect is not bad ,look and kool
the filter program write myself,the effect is not bad ,look and kool
- 2022-05-22 19:44:38下载
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用8251实现串行口异步通信,自发自收,波特率1200bps。采用查询方式发送与接收。从键盘输入发送字符。发送与接收的字符均在屏幕上显示。按esc键返回dos...
用8251实现串行口异步通信,自发自收,波特率1200bps。采用查询方式发送与接收。从键盘输入发送字符。发送与接收的字符均在屏幕上显示。按esc键返回dos-Achieved with the 8251 serial asynchronous communication, spontaneous self-income, the baud rate 1200bps. Way to send and receive using queries. To send characters from the keyboard. Send and receive characters are displayed on the screen. Press esc key to return to dos
- 2023-08-01 07:45:03下载
- 积分:1
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斐波那契数列在汇编语言8086
Fibonacci Series in Assembly Language 8086
- 2022-05-23 23:04:23下载
- 积分:1