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教程资料  8259 VHDL代码

a8259 可编程中断控制 altera提供 The a8259 is designed to simplify the implementation of the interrupt interface&nbsp; in 8088 and 8086&nbsp; based microcomputer systems. The device is known as a programmable interrupt controller.&nbsp; The a8259 receives and prioritizes up to 8 interrupts,&nbsp; ...

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通信网络  MPI下三维FDTD并行运算的分析与实现

基于Message-Passing Interface （ MPI）的编程环境，以PML （Perfectly Matched Layer）为吸收边界条件，讨论了时域有限差分法FDTD的三维并行运算情况。通过一定的数值计算，定量地给出了MPI下FDTD并行算法中的网格数、进程数、分割方式三者之间的关系以及对计算效率的影响。 ...

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通信网络  tcp ip协议详解中文版PDF

很多不同的厂家生产各种型号的计算机，它们运行完全不同的操作系统，但TCP.IP协议族允许它们互相进行通信。这一点很让人感到吃惊，因为它的作用已远远超出了起初的设想。T C P / I P起源于6 0年代末美国政府资助的一个分组交换网络研究项目，到9 0年代已发展成为计算机之间最常应用的组网形式。它是一个真正的开放系统， ...

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通信网络  带有SerDes接口的PLB千兆位级以太网MAC

This application note describes a reference system which illustrates how to build an embeddedPowerPC&reg; system using the Xilinx 1-Gigabit Ethernet Media Access Controller processor core.This system has the PLB_Gemac configured to use Scatter/Gather Direct Memory Access andthe Serializer/Deserial ...

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通信网络  XAPP807-封装最小的三态以太网MAC处理引擎

The Tri-Mode Ethernet MAC (TEMAC) UltraController-II module is a minimal footprint,embedded network processing engine based on the PowerPC&trade; 405 (PPC405) processor coreand the TEMAC core embedded within a Virtex&trade;-4 FX Platform FPGA. The TEMACUltraController-II module connects to an exte ...

https://www.eeworm.com/dl/564/33749.html

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通信网络  WP150-解决数兆兆位及更高的网络挑战

&nbsp; In today&rsquo;s world of modular networking and telecommunications design, it is becomingincreasingly difficult to keep alignment with the many different and often changing interfaces,both inter-board and intra-board. Each manufacturer has their own spin on the way in whichdevices are co ...

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通信网络  PowerXR I2C通信时序

This article describes the procedure to configure and program EXAR Corporation’s PowerXR Digital Power devicesvia I2C interface. Details shown here apply to XRP7704/08/40 and XRP7713/14 devices and PowerArchitectsoftware version 3.00.

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通信网络  EDGE信道分配原则

　　Contents 　　1 Introduction 1 　　2 Glosary 1 　　2.1 Concepts 1 　　2.2 Abbreviations and acronyms 4 　　3 Capabilities 6 　　4 Technical Description 6 　　4.1 General 6 　　4.2 Service oriented Allocation of Resources on the Abis 　　interface (SARA) 8 　　4.3 Configuration of dedicated PDCHs ...

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通信网络  基本路由命令及静态路由

　　uinterface fastethernet slot-number/interface-number 　　该命令用于指定一个快速以太网接口，并进入该接口的配置模式　　uip address ip-address subnet-mask [secondary] 　　uno ip address [ip-address subnet-mask] [secondary] 　　设置接口的IP地址和子网掩码。使用 no 选项可删除接口的IP地址。　　uShutd ...

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传感与控制  数据分析仪说明书

User ManualRev. 1.2SmartRF&reg; CC2420DK: Packet Sniffer for IEEE 802.15.4 and ZigBee Table of contents1 INTRODUCTION...............................................................................................31.1 HARDWARE PLATFORM.................................................................. ...

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