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找到约 267 项符合 LOGIC 的查询结果

模拟电子 信号链和PLC是如何影响我们的生活

Abstract: It is incredible how many programmable logic controls (PLCs) around us make our modern life possible and pleasant.Machines in our homes heat and cool our air and water, as well as preserve and cook our food. This tutorial explains the importanceof PLCs, and describes how to choose compon ...
https://www.eeworm.com/dl/571/21134.html
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模拟电子 数字集成电路设计Digital Integrated Circuit Design

  This unique guide to designing digital VLSI circuits takes a top-down approach, reflecting the natureof the design process in industry. Starting with architecture design, the book explains the why andhow of digital design, using the physics that designers need to know, and no more.Coverin ...
https://www.eeworm.com/dl/571/21305.html
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Mentor Design Safe Verilog State Machine(Synplicity)

  One of the strengths of Synplify is the Finite State Machine compiler. This is a powerfulfeature that not only has the ability to automatically detect state machines in the sourcecode, and implement them with either sequential, gray, or one-hot encoding. But alsoperform a reachability ana ...
https://www.eeworm.com/dl/Mentor/21525.html
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电源技术 DN443 2.2V降压型同步控制器

  Many telecommunications and computing applicationsneed high effi ciency step-down DC/DC converters thatcan operate from a very low input voltage. The highoutput power synchronous controller LT3740 is idealfor these applications, converting input supplies rangingfrom 2.2V to 22V to outputs ...
https://www.eeworm.com/dl/505/24323.html
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电源技术 按键开关控制器简化系统设计

  Handheld designers often grapple with ways to de-bounceand control the on/off pushbutton of portable devices.Traditional de-bounce designs use discrete logic, fl ipflops, resistors and capacitors. Other designs includean onboard microprocessor and discrete comparatorswhich continuously co ...
https://www.eeworm.com/dl/505/24326.html
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电源技术 高效率,高密度,高电流应用的多相转换器

  As logic systems get larger and more complex, theirsupply current requirements continue to rise. Systemsrequiring 100A are fairly common. A high current powersupply to meet such requirements usually requires parallelingseveral power regulators to alleviate the thermalstress on the individ ...
https://www.eeworm.com/dl/505/24382.html
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电源技术 可编程控制器简介

可编程控制器是60年代末在美国首先出现,当时叫可编程逻辑控制器PLC(Programmable Logic Controller),目的是用来取代继电器,以执行逻辑判断、计时、计数等顺序控制功能。PLC的基本设计思想是把计算机功能完善、灵活、通用等优点和继电器控制系统的简单易懂、操作方便、价格便宜等优点结合起来,控制器的硬件是标准的、 ...
https://www.eeworm.com/dl/505/24682.html
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单片机编程 Atmel AT89C系列单片机电路板设计指南

Designing Boards with Atmel AT89C51,AT89C52, AT89C1051, and AT89C2051 for Writing Flash at In-Circuit Test. Recent improvements in chips and testers have made it possible for the tester to begin taking over the role tradi-tionally assigned to the PROM program-mer. Instead of having a PROM pro- g ...
https://www.eeworm.com/dl/502/29091.html
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单片机编程 MSP430在频率测量系统中的应用

   介绍一种以MSP430单片机为基础的智能频率测量系统,采用硬件逻辑与软件指令相结合的方式控制闸门,实现0 MHz~10 MHz范围内无档切换的等精度测量。 Abstract:  An intelligent frequency measurement system based on MSP430 singlechip is introduced. The system uses a way that can combine hardwa ...
https://www.eeworm.com/dl/502/29334.html
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单片机编程 PCF2116系列LCD驱动器芯片简介及封装库

1 FEATURES· Single chip LCD controller/driver· 1 or 2-line display of up to 24 characters per line, or2 or 4 lines of up to 12 characters per line· 5 ′ 7 character format plus cursor; 5 ′ 8 for kana(Japanese syllabary) and user defined symbols· On-chip:– generation of LCD supply voltage (exte ...
https://www.eeworm.com/dl/502/29370.html
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