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技术资料 基于FPGA的磁盘阵列协处理卡的硬件设计与实现.rar

随着信息技术的飞速发展，数据存储容量需求急剧增长，磁盘阵列技术应运而生。虽然磁盘阵列利用多个磁盘并行存取提高了存储系统的性能，但是磁盘阵列在操作系统的引导、Cache和冗余信息计算方面依然存在不足，严重影响系统性能的提高。为了缓解这种情况，提高磁盘阵列的性能，提出了一种基于FPGA（Field Programmable Gate A ...
https://www.eeworm.com/dl/898636.html
下载: 9
查看: 5859

技术资料 基于FPGA的PROFIBUSDP从站设计

现场总线是自动化技术的研究热点之一，被誉为自动化领域的计算机局域网。PROFIBUS作为全球最具影响力的现场总线，其技术已经发展到了全面成熟的阶段，PROFIBUS标准中涵盖了各种需求的子集规约，包括PROFIBUS-DP，PROFIBUS-FMS和PROFIBUS-PA等。截至到目前，PROFIBUS-DP的应用占整个PROFIBUS应用的80％，代表了PROFIBUS的技 ...
https://www.eeworm.com/dl/919032.html
下载: 4
查看: 1177

技术资料 一种RISC结构8位单片机的设计与实现

本文采用自顶向下(Top-Down)的设计方法,给出了一个完整的RISC结构8位单片机的电路IP核.系统在总线方面采用了数据总线与指令总线相分离的哈佛双总线结构；在顶层时钟资源的分配上采用了取址、译码执行的两级流水线结构；在指令系统方面采用了仅35条指令易于学习使用的精简指令集方案.顶层上的这种设计思想,极大有利于硬件资 ...
https://www.eeworm.com/dl/967062.html
下载: 4
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资料/手册 LM621无刷电机换向器

General Description The LM621 is a bipolar IC designed for commutation of brushless DC motors. The part is compatible with both three- and four-phase motors. It can directly drive the power switching devices used to drive the motor. The LM621 provides an adjustable dead-time circuit to eliminate ``s ...
https://www.eeworm.com/dl/541/12718.html
下载: 93
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电源技术 如何保护集成FET的电源开关

Abstract: Some types of loads require more current during startup than when running. Other loads can be limited to a lower-powercurrent during startup but require a higher operating current. This article describes an application circuit that automatically adjusts apower circuit’s overcurrent ...
https://www.eeworm.com/dl/505/24193.html
下载: 131
查看: 1057

电源技术 利用高压看门狗定时器加强汽车安全系统

  Abstract: As electronic systems take over many of the mechanical functions in a car—ranging from engine timing to steering andbraking—there is a growing concern about fault tolerance. There should not be a single point of failure that would prevent a car fromat least "limping" ...
https://www.eeworm.com/dl/505/24368.html
下载: 56
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单片机编程 Using the Stellaris Microcontr

Luminary Micro Stellaris™ microcontrollers that are equipped with an analog-to-digital converter(ADC), use an innovative sequence-based sampling architecture designed to be extremely flexible,yet easy to use. This application note describes the sampling architecture of the ADC. Sinceprogrammer ...
https://www.eeworm.com/dl/502/31064.html
下载: 190
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教程资料 XAPP228 -Virtex器件内的四端口存储器

This application note describes how the existing dual-port block memories in the Spartan™-IIand Virtex™ families can be used as Quad-Port memories. This essentially involves a dataaccess time (halved) versus functionality (doubled) trade-off. The overall bandwidth of the blockmemory in ...
https://www.eeworm.com/dl/fpga/doc/32585.html
下载: 180
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通信网络 ISM射频接收器的基带计算

Abstract: Many industrial/scientific/medical (ISM) band radio frequency (RF) receivers use an external Sallen-Key datafilter and a data slicer to generate the baseband digital output. This tutorial describes the ISM-RF Baseband Calculator,which can be used to calculate the filter capacitor values ...
https://www.eeworm.com/dl/564/33532.html
下载: 43
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可编程逻辑 XAPP228 -Virtex器件内的四端口存储器

This application note describes how the existing dual-port block memories in the Spartan™-IIand Virtex™ families can be used as Quad-Port memories. This essentially involves a dataaccess time (halved) versus functionality (doubled) trade-off. The overall bandwidth of the blockmemory in ...
https://www.eeworm.com/dl/kbcluoji/40055.html
下载: 151
查看: 1077