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通讯编程文档 Modbus协议

Modbus协议,中文版 前 言 第一部分:Modbus协议 1 引言 2 缩略语 3 背景概要 4 总体描述 5 功能码分类 6 功能码描述 7 MODBUS异常响应 的实现指南 1 引言 2 Modbus数据链路层 3 物理层 4 安装和文件 5 实现等级 6 附录 Modbus .org Modbus Application Protocol Specification 第三部分:Modbus协议在TCP/IP上 1 引言 2 ...
https://www.eeworm.com/dl/646/397210.html
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网络 Aodv for NS-2. A mobile ad-hoc network (MANET) is a kind of wireless ad-hoc network, and is a self-c

Aodv for NS-2. A mobile ad-hoc network (MANET) is a kind of wireless ad-hoc network, and is a self-configuring network of mobile routers connected wirelessly. MANET may operate in a standalone fashion, or may be connected to the larger Internet. Many routing protocols have been developed for MANETs ...
https://www.eeworm.com/dl/635/492160.html
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书籍 Ecodesign+Preparatory+Study

Since the 1990s the EU has been pursuing climate change mitigation targets. Following the international commitment to the legally binding greenhouse gas reduction under the Kyoto Protocol, the 2020 policy package consists of a set of binding legislation to ensure that the EU meets its climate and en ...
https://www.eeworm.com/dl/522288.html
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单片机编程 基于MC9S12HZ256的总线式汽车数字仪表设计

首先研究CAN总线和SAE J1939协议,提出一种基于MC9S12HZ256微控制器的总线式汽车数字仪表解决方案。详细介绍SAE J1939协议的报文帧格式及应用层协议中发动机相关参数的定义,以及步进电机及其驱动和车速信号的处理方法。该数字仪表系统硬件平台由微处理器和信号采集和信息处理及显示等模块组成。软件设计部分编程实现了对CA ...
https://www.eeworm.com/dl/502/29185.html
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技术资料 基于国产ARM的PS2协议实现

针对某国产机箱内安装KVM切换设备实现一套鼠标、键盘、显示器对多套主机进行切换使用中PS2设备协议技术难点,基于兆易创新GD32F207VK平台MCU,通过深入分析PS2协议,主机和PS2鼠标键盘通信具体过程,采用软件工程化的方法,设计出通用性良好的PS2协议鼠标键盘驱动程序,并给出了实现过程。实际测试结果表明,该驱动程序满足设计需 ...
https://www.eeworm.com/dl/894625.html
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串口编程 一个简单的SPI IP核

一个简单的SPI IP核,SPI Core Specifications 可以从说明文档中找到! The simple Serial Peripheral Interface core is an enhanced version of the Serial Peripheral Interface found on Motorola s M68HC11 family of CPUs. The Serial Peripheral Interface is a serial, synchronous communication protocol ...
https://www.eeworm.com/dl/624/198141.html
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Java编程 java语言开发的P2P流媒体系统

java语言开发的P2P流媒体系统,“Stream-2-Stream implements multicast+, a next generation streaming protocol. Multicast+ is more efficient and requires less bandwidth than direct streaming (e.g. shoutcast/icecast). Stream-2-Stream (abbreviated "s2s" or "S2S") stations have no user limit stations can b ...
https://www.eeworm.com/dl/633/244305.html
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技术资料 IP2723

IP2723T 是一款集成多种协议、用于 USB 输出 端口的快充协议 IC。支持多种快充协议,包括 USB  TypeC DFP , PD2.0/PD3.0/PPS , HVDCP  QC4/QC4+/QC3.0/QC2.0 ( Quick Charge ), FCP (Hisilicon® Fast Charge Protocol),SCP(Super Fast  Charge),AFC(Samsung® Adaptive Fast Charge), MTK PE+ ...
https://www.eeworm.com/dl/830529.html
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单片机编程 基于MPC555与CS8900A的以太网扩展设计

   介绍了MPC555与CS8900A扩展以太网的硬件设计图。以NUCLUES PLUS操作系统为基础,介绍了网卡软件驱动程序的编制,给出了以太网协议包嵌入NUCLEUS PLUS操作系统的实现方法。 Abstract:  The Ethernet extension hardware design of MPC555 and CS8900A are introduced,and the software driven program ...
https://www.eeworm.com/dl/502/29326.html
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可编程逻辑 XAPP708 -133MHz PCI-X到128MB DDR小型DIMM存储器桥

  The Virtex-4 features, such as the programmable IDELAY and built-in FIFO support, simplifythe bridging of a high-speed, PCI-X core to large amounts of DDR-SDRAM memory. Onechallenge is meeting the PCI-X target initial latency specification. PCI-X Protocol Addendum tothe PCI Local Bus Spec ...
https://www.eeworm.com/dl/kbcluoji/40099.html
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