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Description: 通用串行总线USB(Universal Serial Bus)是一种新型的微机总线接口规范。随着客户对系统数据采集速度要求的不断提高，USB以其使用方便、易于扩展、速度快等优点而越来越多的应用于数据采集系统中。本文介绍了一种基于USB总线的数据采集系统的设计方法，采用PHILIPS公司的USB接口芯片PDIUSBD12与单片机AT89C51进行通信，并和PC机通信而编制出友善的设备应用程序。该系统用传统的USB总线取代了RS232串行总线，通过对USB协议和设备构架的充分理解，对以单片机89C51和USB接口芯片PDIUSBD12为主的数据采集系统进行了硬件设计和软件编程，并在此设计的基础上给出相应的原理图。硬件设计主要解决的是PDIUSBD12和ADC0809与单片机之-USB (Universal Serial Bus) is a new type of micro- Machine Bus Interface Specification. With customers on the system data acquisition speed continues to improve, with USB convenient, easy to expand, the advantages of faster and more and more used in data acquisition systems. This paper presents a USB-based data acquisition system design methods, PHILIPS companies using the USB interface chip with PDIUSBD12 Progressive AT89C51 OK communication, and communication and PC-friendly and produce equipment applications. The system using traditional USB replace the RS232 serial bus, Through the USB framework agreement and equipment with the full understanding, right to 89 C51 microcontroller and USB interface chip PDIUSBD12-based data acquisition system for the hardware pieces of software design a
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Size: 3072 |
Author: wq57 |
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Description: PC机通过RS232转换成USB口，向8951单片机发送数据，控制点阵板的显示。-PC through the RS232 into USB port to the 8951 microcontroller this data, Lattice panels control the display.
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Size: 1755136 |
Author: 啊静 |
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Description: 51控制STA013实现MP3音频解码，实现了STA013的初始化、音量调节、静音、音质设置、声道控制。同时包含通过RS232串口控制LCD实现同步显示。代码经过调试，运行通过。
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Size: 76800 |
Author: waglei |
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Description: AT89S51的串口程序，可以直接编译使用，标准程序-AT89S51 serial procedures, the compiler can directly use standard procedures
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Size: 32768 |
Author: yizaisong |
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Description: MCS-51智能反编译器能自动区分代码段和数据段,使反编译出的源程序几乎不做任何修改即可进行再编译,使您更快捷地分析程序, 及修改再编译等,注:(转载)-MCS-51 Intelligent Decompiler can automatically distinguish between code and data segment, so that the decompile the source code in almost any change can not re-compiled, so that a more efficient analysis of your procedures, and modification of re-compile, etc. Note: (reprint)
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Size: 235520 |
Author: 欧进文 |
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Description: 51单片机底层开发人员的有力武器。
ASM文档，包含所有内部资源运用。-51 Singlechip the bottom of developers a powerful weapon. ASM file that contains all in-house use of resources.
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Size: 796672 |
Author: 杜杜杜 |
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Description: 经济型单片机开发系统的设计.pdf
8031 rs232 MCS-51-Singlechip economic development of system design. Pdf8031 rs232 MCS-51
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Size: 118784 |
Author: 张力伟 |
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Description: 1,这是MCS51单片机串口通讯源程序,已经验证.-1, which is MCS51 single-chip serial communication source, has already been verified.
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Size: 2048 |
Author: tom |
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Description: 51单片机和pc机进行的双工通信的程序，-51 Singlechip pc machine and the duplex communication procedures,
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Size: 1024 |
Author: 熊迎军 |
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Description: STC单片机读取FPGA筒形寄存器并通过RS232发送到上位机源程序，绝对可用，您可以适当修改满足您的使用，使用Keil c51编写。-STC Single-chip FPGA Barrel register to read through the RS232 sent to the host computer source code is absolutely available, you can modify to meet your proper use, the use of the preparation of Keil c51.
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Size: 22528 |
Author: 吕坤 |
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Description: 基于51单片机,利用RS232接口进行两个单片机间的点对点传输-Based on 51 single-chip, using RS232 interface between the two single-chip point-to-point transmission
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Size: 4096 |
Author: fdad |
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Description: 自己制作51开发板.
带自恢复保险丝，试验安全，40Pin锁紧插座适用于4～40脚芯片，可以自由配置电源引脚。
板上资源:
1、6个高亮数码管显示（数字和字母显示）
2、8个独立优质按键（2Pin）（人机接口输入）
3、8个高亮发光二极管（跑马灯、指示灯、红绿灯等）
4、标准的RS232通信接口（PC通信）
5、一体化红外接收头（高灵敏度）
6、遥控器用红外发射管（广发射 角）可以模拟遥控器。
7、蜂鸣器（报警以及声音提示）
8、一路继电器输出
9、EEPROM 24C02（数据存储)
10、ADC0832转换器接口（模数转换）
11、DS18B20接口（精密温度检测）
12、USB口供电，带自恢复保险丝保护
13、加装优质电源开关
14、晶振采用拔插方式，可以使用于不同频率
15、DC电机接口（直接接入小功率直流电机即可）
16、4相步进电机接口（直接接入即可）
17、音频扬声器接口（直接接入可以播放音乐、声波）
18、经典复位电路
19、ISP 10Pin下载线接口
20、标准并口下载线
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Size: 369664 |
Author: kehan |
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Description: atmega32 和RS485的通讯，已经在电路板上测试通过，RS232相对简单一点，RS485需要对控制收发信号处理一下，并且需要RS232转RS485工具来验证收发是否正确-atmega32 and RS485 communication, has been tested in the circuit board, RS232 relatively simple point, RS485 transceiver control signals need to deal with you, and will need RS232 to RS485 transceiver tools to verify the correctness of
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Size: 18432 |
Author: nicai |
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Description: pc机与rs232串口的通讯C51源程序。-pc computer and RS232 serial communications C51 source.
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Size: 18432 |
Author: chen |
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Description: 基于51单片机，实现RS232和RS485的双机通讯，内附详细说明！-Based on 51 single-chip, RS232 and RS485 realize the two-machine communications, containing a detailed description!
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Size: 1054720 |
Author: yj |
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Description: 早期开发的MS8051与PC的RS232通讯-1程序源码-Early development of the MS8051 with the PC
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Size: 12288 |
Author: 老南蛮 |
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Description: 单片机控制GSM模块Tc35i
最近在做毕业设计用到GSM无线模块进行短信数据发送接收，在使用8位单片机控制Tc35i-SCM GSM module TC35i done recently graduated from design used GSM wireless modules send receive SMS data using 8-bit single-chip control TC35i
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Size: 1024 |
Author: QJD |
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Description: 本程序介绍了一个利用RS232和/或RS485连接,采用CD4051多选一通道,用TI公司的10位串行A/D芯片TLC1549进行数据采集的程序.本程序还附带AT24C04的读写函数.希望对您有所帮助.-This procedure describes a use of RS232 and/or RS485 connection, using CD4051 choose a channel, using TI s 10-bit serial A/D chip TLC1549 data collection procedures. This procedure is also attached to the read and write AT24C04 function. Hope for your help.
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Size: 3072 |
Author: zy |
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Description: 微狗模拟器,破解专用,支持最新4.0狗 V3硬件--Micro-dog simulator, crack dedicated to support the latest hardware 4.0 dogs V3
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Size: 2048 |
Author: 熊星 |
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Description: 单片机实用程序集，集合了16个高亮数码管显示（数字和字母显示）28个独立优质按键（2Pin）（人机接口输入）38个高亮发光二极管（跑马灯、指示灯、红绿灯等）4标准的RS232通信接口（PC通信）等-Singlechip utility sets, a collection of 16 bright digital display (display of numbers and letters) 28 independent high-quality button (2Pin) (man-machine interface input) 38 highlighted light-emitting diodes (marquees, lights, traffic lights , etc.) 4 standard RS232 communication interface (PC communications), etc.
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Size: 544768 |
Author: cxw |
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