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IcCard

于 2008-08-11 发布文件大小:3587KB

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下载积分: 1 下载次数: 98

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代码说明：

基于VC++6.0应用MSCOMM控件的串口通信上位机程序,实现与51单片机的通信(Based on VC++ 6.0 Application MSCOMM control PC serial communication procedures, with 51 single-chip communication)

文件列表：

IC卡收费系统上位机软件(VC%2B%2B 6.0)
................................\Debug

................................\mcu2pc.aps
................................\mcu2pc.clw
................................\mcu2pc.cpp
................................\mcu2pc.dsp
................................\mcu2pc.dsw
................................\mcu2pc.h
................................\mcu2pc.ncb
................................\mcu2pc.opt
................................\mcu2pc.plg
................................\mcu2pc.rc
................................\mcu2pcDlg.cpp
................................\mcu2pcdlg.h
................................\mscomm.cpp
................................\mscomm.h
................................\mscomm1.cpp
................................\mscomm1.h
................................\ReadMe.txt
................................\Release
................................\res

................................\...\icon1.ico

................................\...\icon4.ico
................................\...\ICON_NOT.ICO
................................\...\icon_not1.ico
................................\...\ICON_ON.ICO
................................\...\ICON_ON1.ICO
................................\...\mcu2pc.ico
................................\...\mcu2pc.rc2
................................\...\mini_adapter.ico
................................\...\OFF.ICO
................................\...\RED.ICO
................................\...\StatusPic1.ico
................................\resource.h
................................\StdAfx.cpp
................................\StdAfx.h

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ADC1_TriggerConversion
根据对应的按键值，对应输出相应的电容值，并做掉电检测(According to the corresponding key value, corresponding to the output of the corresponding capacitance values and do brownout detection)

2013-11-26 23:42:16下载

积分：1
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2020-06-26 12:40:01下载

积分：1
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滤波器广泛应用于数字信号处理、通信、自动控制领域,但设计可变宽频带有源滤波器则比较困难。利用单片机控制参数可编程的双二阶通用开关电容有源滤波器,精确设置有源滤波器的中心频率f，品质因数Q及有源滤波器的工作方式。本系统主要分为两个部分:即程控滤波器和程控放大器。程控放大器电压增益为40dB，通过单片机控制DA进行分压，可精确实现要求的10dB步进，误差小于0.5 ，通带为100Hz-500KHz，输入电压峰－峰值范围为10mV，在输入范围内无明显失真。由MAX264为核心的滤波器，可设置为高通、低通滤波器。通过单片机直接给出控制频率，使-3dB截止频率在1KHz-20KHz内可调，步进1KHz，误差小于1 。整个系统以52单片机为控制核心，电路简单，性能稳定，且具有较高精度，滤波参数调节通过单片机控制，较为方便。(Filters are widely used in digital signal processing, communications, automatic control area, but the design variable wideband active filter is more difficult. Control parameters using single-chip programmable universal switched-capacitor biquad active filter, active filter accurately set the center frequency f, quality factor Q and the active filter works. The system is mainly divided into two parts: the program-controlled filters and programmable amplifiers. Programmable amplifier voltage gain of 40dB, the DA through the partial pressure of single-chip control, can accurately achieve the required 10dB step, the error is less than 0.5 , passband to 100Hz-500KHz, input voltage peak- the range of 10mV, the input range no significant distortion. By the MAX264 as the core of filter can be set to high pass, low pass filter. Given directly by the microcontroller controls the frequency, the-3dB cutoff frequency at 1KHz-20KHz adjustable, step 1KHz, error is less than 1 . The entire system for)

2011-07-17 16:23:27下载

积分：1
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基于51单片机的红外+LCD+继电器C程序显示实现的功能较多，比较适合初学的人。(Based on 51 single-chip infrared+LCD+ relay C program display of more functions, more suitable for beginners person.)

2013-08-17 11:14:48下载

积分：1
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说明：周立功EASYarm板所带出厂程序，包含按键，LED，蜂鸣器，AD转换的代码(ZLG EASYarm board brought the factory process, including buttons, LED, buzzer, AD conversion code)

2010-04-15 10:47:34下载

积分：1
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单片机内刻录程序，包含C语言和汇编语言两个版本。实现7455C5与单片机的串口通信，信息传输。(Microcontroller burning program, contains two versions of the C and assembly language. 7455C5 microcontroller serial communication, information transfer.)

2013-01-31 16:38:03下载

积分：1
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2011-04-07 19:48:45下载

积分：1
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2013-07-13 09:33:35下载

积分：1
Keil-Software-Cx51-manual
第一章介绍概述 Cx51 编译器第二章用 Cx51 编译解释怎样用 Cx51 交叉编译器编译一个源文件本章叙述控制文件处理编译和输出的命令行提示第三章语言扩展叙述支持 8051 系统结构须的 C 语言扩展本章提供一个在 ANSI C 说明中没有的命令函数和控制的详细列表第四章预处理器叙述 Cx51 编译器预处理器的组成和包含的例子第五章派生的 8051 叙述 Cx51 编译器支持的 8051 派生系列本章还包括能帮助提高目标程序性能的技巧第六章高级编程技术对有经验的开发人员的重要信息本章包括定制文件描述优化器详细资料和段名约定本章还讨论了 Cx51 编译器产生的程序和别的8051 编程语言如何接口第七章错误信息列出了在使用 Cx51 编译器时可能遇到的致命错误语法错误和警告第八章库参考提高一个扩展的 Cx51 库参考分类列出了库例程和相关的包含文件本章最后有一个按字母顺序的参考包括每个库例程的例子代码附录中包含不同编译器版本间的差异作品编号和别的有些信息(This manual describe how to 8051 target, environment using Cx51 Cx51 compiler optimization C compiler C program packages can be used in all the 8051 series processors can perform in the WINDOWS 32 bit command line in this hand )

2013-03-09 11:51:51下载

积分：1

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