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communications 317

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  • sscom33串口通讯工具

    这个是串口通讯工具,无论windows编程,还是嵌入式的上位机和下位机通讯,调试时使用它都很方便-This is a serial communications tools

    /dl/11876.html

    标签: sscom 33 串口通讯

    上传时间: 2013-04-24

    上传用户:eddy77

  • 时钟切换电路英文资料.

    With more and more multi-frequency clocks being used in today's chips, especially in the communications field, it is often necessary to switch the source of a clock line while the chip is running.

    /dl/21051.html

    标签: 时钟切换电路 英文

    上传时间: 2013-10-10

    上传用户:1214209695

  • 射频集成电路设计John Rogers(Radio Freq

    Radio Frequency Integrated Circuit Design I enjoyed reading this book for a number of reasons. One reason is that itaddresses high-speed analog design in the context of microwave issues. This isan advanced-level book, which should follow courses in basic circuits andtransmission lines. Most analog i ...

    /dl/21466.html

    标签: Rogers Radio John Freq

    上传时间: 2014-12-23

    上传用户:han_zh

  • PCI Express电源解决方案

      PCI ExpressTM is the third generation of PCI (PeripheralComponent Interconnect) technology used to connect I/Operhipheral devices in computer systems. It is intended asa general purpose I/O device interconnect that meets theneeds of a wide variety of computing platforms such asdesktop, mo ...

    /dl/24276.html

    标签: Express PCI 电源解决方案

    上传时间: 2013-11-17

    上传用户:squershop

  • 电源滤波器POWER LINE FILTERS

    应用 APPLICATIONS·电视机、录像机、音频设备、显示器、复印机、打印装置、游戏机及计算机等。·用于开关电源线性滤波器。·削除 TV、VTR、VCR及监听器泄漏杂音。·用于OA 设备、通信设备和其它器件。·TV set, recorder, sound-frequency equipment, show-scope, photocopy-scope, typewrite equipment, recreation-scope ...

    /dl/24759.html

    标签: FILTERS POWER LINE 电源滤波器

    上传时间: 2013-10-23

    上传用户:shizhanincc

  • 基于单总线式无线温度采集系统设计

    为提高温度测量效率,降低系统的成本,扩展传输距离,设计出一种新型温度采集系统。单片机通过控制具有单总线方式的温度传感器DS18B20实现对温度的测量,同时单片机通过控制具有单总线方式300~450MHz频率范围内的MAX7044与MAX7033无线发射与接收芯片实现温度数据的无线传输。与传统温度采集系统相比,该系统利用单总线方式 ...

    /dl/29183.html

    标签: 单总线 无线温度 采集 系统设计

    上传时间: 2013-10-29

    上传用户:515414293

  • 基于AT89C52单片机的温度巡回检测系统设计

    阐述了一个由上位PC机和AT89C52下位单片机组成的主从分布式温度巡回检测系统。主从机采用RS-485 串行通讯标准进行通信,可在下位单片机实现基本的温度数据巡回检测基础上,由上位PC机实现综合处理功能或扩展为远程操作。整个系统具有巡检速度快,扩展性好的特点。 Abstract:  In this paper,a top PC and AT89C52 u ...

    /dl/29272.html

    标签: 89C C52 AT 89

    上传时间: 2013-10-13

    上传用户:zhoujunzhen

  • I2C slave routines for the 87L

    The 87LPC76X Microcontroller combines in a small package thebenefits of a high-performance microcontroller with on-boardhardware supporting the Inter-Integrated Circuit (I2C) bus interface.The 87LPC76X can be programmed both as an I2C bus master, aslave, or both. An overview of the I2C bus and descr ...

    /dl/31386.html

    标签: routines slave I2C 87L

    上传时间: 2013-11-19

    上传用户:shirleyYim

  • Using the 87LPC76X microcontro

    I2C interface, is a very powerful tool for system designers. Theintegrated protocols allow systems to be completely software defined.Software development time of different products can be reduced byassembling a library of reusable software modules. In addition, themultimaster capability allows rapid ...

    /dl/31392.html

    标签: microcontro Using 76X LPC

    上传时间: 2013-12-30

    上传用户:Artemis

  • 2012年各大移动公司笔试题集

    2008-10-18日重庆移动成都地区笔试题 1 2008年10月16日北京移动在线测试题 5 yybear整理 重庆移动的资料 52 正德厚生,臻于至善 52 笔试规则 52 面试规则 52 招聘方向及岗位: 55 招聘地点及数量(309人,去年360人) 55 职业发展 56 中国移动通信集团公司 (China Mobile Communications Corpora ...

    /dl/33137.html

    标签: 2012 移动 笔试题

    上传时间: 2014-12-29

    上传用户:x4587