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Ports 64

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  • 基于W77E58的跑步机联网系统的开发

    对于传统的跑步机无法联机组网,保存历史数据,实时调试等问题,介绍了一个由多台跑步机通过RS-232串行总线与上位机相连组成的跑步机联网系统。系统采用W77E58作为下位机核心控制器件,它具有双串行通讯端口,其中一个串口用于与变频器通讯,另一个串口则与上位机相连,构成跑步机网络。 Abstract:  The tradition ...

    /dl/29314.html

    标签: W77E58 跑步机 联网系统

    上传时间: 2014-12-27

    上传用户:哇哇哇哇哇

  • 基于自编程功能的MCU Bootloader设计

    Bootloader是微处理器上电时运行的第一段代码,它可以通过通信接口实现对微处理器内部应用程序的更新升级,为网络化嵌入式产品的应用程序升级带来极大的便利。由于目前没有统一嵌入式系统的Bootloader。基于NEC 78K0系列单片机自编程原理,设计出一个适用于78K0/Fx2系列单片机的Bootloader,并能够通过单片机串口在线升级应 ...

    /dl/29379.html

    标签: Bootloader MCU 自编程

    上传时间: 2013-10-26

    上传用户:fang2010

  • SN65LBC170,SN75LBC170,pdf(TRIP

    The SN65LBC170 and SN75LBC170 aremonolithic integrated circuits designed forbidirectional data communication on multipointbus-transmission lines. Potential applicationsinclude serial or parallel data transmission, cabledperipheral buses with twin axial, ribbon, ortwisted-pair cabling. These devices ...

    /dl/29512.html

    标签: 170 LBC SN TRIP

    上传时间: 2013-10-13

    上传用户:ytulpx

  • FREERTOS的官方移植文档

    FeaturesThe following standard features are provided.• Choice of RTOS scheduling policy1. Pre-emptive:Always runs the highest available task. Tasks of identical priorityshare CPU time (fully pre-emptive with round robin time slicing).2. Cooperative:Context switches only occur if a task blocks, ...

    /dl/30820.html

    标签: FREERTOS 移植 文档

    上传时间: 2013-10-13

    上传用户:13162218709

  • PCA9549 Octal bus switch with

    The PCA9549 provides eight bits of high speed TTL-compatible bus switching controlledby the I2C-bus. The low ON-state resistance of the switch allows connections to be madewith minimal propagation delay. Any individual A to B channel or combination of channelscan be selected via the I2C-bus, determi ...

    /dl/31009.html

    标签: switch Octal 9549 with

    上传时间: 2014-11-22

    上传用户:xcy122677

  • Reading and Writing iButtons v

    Abstract: This application note explains the hardware of different types of 1-Wire® interfaces and software examples adapted to this hardware with a focus on serial ports. Depending on the types of iButtons required for a project and the type of computer to be used, the most economical interface ...

    /dl/31384.html

    标签: iButtons Reading Writing and

    上传时间: 2013-10-29

    上传用户:long14578

  • XAPP953-二维列序滤波器的实现

      This application note describes the implementation of a two-dimensional Rank Order filter. Thereference design includes the RTL VHDL implementation of an efficient sorting algorithm. Thedesign is parameterizable for input/output precision, color standards, filter kernel size,maximum horiz ...

    /dl/40089.html

    标签: XAPP 953 二维 滤波器

    上传时间: 2013-12-14

    上传用户:逗逗666

  • Altera recommends the following system configuration: * Pentium II 400 with 512-MB system memory (fa

    Altera recommends the following system configuration: * Pentium II 400 with 512-MB system memory (faster systems give better software performance) * SVGA monitor * CD-ROM drive * One or more of the following I/O ports: - USB port (if using Windows XP or Windows 2000) for USB-Blaster(TM) or MasterBla ...

    /dl/134009.html

    标签: system configuration recommends following

    上传时间: 2015-03-27

    上传用户:13188549192

  • A free MS Word reader for Linux and RISC OS. Antiword converts the files from Word 2, 6, 7, 97, 2000

    A free MS Word reader for Linux and RISC OS. Antiword converts the files from Word 2, 6, 7, 97, 2000 and 2002 to text and postscript. There are ports to BeOS, OS/2, MacOS X, VMS, DOS and others

    /dl/187342.html

    标签: Word Antiword converts reader

    上传时间: 2015-08-22

    上传用户:离殇

  • (1) This pin may function as either a JTAG port or a user I/O pin. If the device is configured to us

    (1) This pin may function as either a JTAG port or a user I/O pin. If the device is configured to use the JTAG ports for in-system programming, this pin is not available as a user I/O pin. (2) The user I/O pin count includes dedicated input pins and all I/O pins.

    /dl/197458.html

    标签: configured pin function either

    上传时间: 2014-01-27

    上传用户:qwe1234