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微处理器开发 NAME: u2440mon.c DESC: u2440mon entry point,menu,download HISTORY: Mar.25.2002:purnnamu: S3C24

NAME: u2440mon.c DESC: u2440mon entry point,menu,download HISTORY: Mar.25.2002:purnnamu: S3C2400X profile.c is ported for S3C2410X. Mar.27.2002:purnnamu: DMA is enabled. Apr.01.2002:purnnamu: isDownloadReady flag is added. Apr.10.2002:purnnamu: - Selecting menu is available in the waiting loop ...
https://www.eeworm.com/dl/655/294788.html
下载: 128
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嵌入式/单片机编程 ATmega128实验板 简要介绍： 主要芯片： CPU:ATmega128L SRAM:SR61L256BS-8 CPLD:XILINX XC95144XL SFLAS

ATmega128实验板 简要介绍： 主要芯片： CPU:ATmega128L SRAM:SR61L256BS-8 CPLD:XILINX XC95144XL SFLASH:AT45DB081B ETHERNET:CS8900A USB:PDIUSBD12 LCD:122x32 LMC62_095_M POWER:LM2596S-3.3 RS232:MAX3232 软件：RS232,SRAM,CPLD调试通过，uCosII可以运行，ethernet部分没有完成，usb完成了一部分。 ...
https://www.eeworm.com/dl/647/349140.html
下载: 154
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书籍 Cogeneration+and+District+Energy+Systems

District energy (DE) systems use central heating and/or cooling facilities to provide heating and/or cooling services for communities. The advantages of district energy over conventional heating and cooling include improved efficiency, reliability and safety, reduced environmental impact, and for ma ...
https://www.eeworm.com/dl/522306.html
下载: 1
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技术资料 SC3633

Wide 2.2V to 6V Input Voltage Range „ 0.20V FB adjustable LED drive current „ Directly drive 9 Series 1W LED at VIN>=6V „ Fixed 800KHz Switching Frequency „ Max. 3A Switching Current Capability „ Up to 92% efficiency „ Excellent line and load regulation „ EN PIN TTL shutdown capabilit ...
https://www.eeworm.com/dl/745236.html
下载: 4
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技术资料 三相电压源SPWM逆变器建立系统仿真模型

利用Matlab软件中Simulink和Power  System为一个三相电压源SPWM逆变器建立系统仿真模型,并对其输出特性进行仿真分析。  它的主要功能是将直流电压变换成交流电压,采用SPWM控制策略,实时地调节逆变输出电压的幅值,以满足实际的要求。系统的主回路选用IGBT作为开关器件,为了减少输出电压的谐波,逆变电源输出接有串 ...
https://www.eeworm.com/dl/848340.html
下载: 4
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技术资料 AMS1117系列芯片手册

GENERAL DESCRIPTION The AMS1117 series of adjustable and fixed voltage regulators are designed to provide 1A output current and to operatedown to IV input-to-output differential. The dronout voltage of the device is guaranteed maximum 13V at maximum output current, decreasing at lower load currents. ...
https://www.eeworm.com/dl/894070.html
下载: 1
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技术资料 基于单片机的干式变压器智能温度控制器研究

介绍了干式变压器在地铁供电系统中的作用及测温的重要意义,设计基于ATMEGA32单片机控制、NTC温度取样的新型智能温度控制器,并给出了主要硬件部分和主程序流程的设计。The importance of temperature measurement and the function of metro power supply system for dry-type transformers are introduced in this paper. A ...
https://www.eeworm.com/dl/895905.html
下载: 3
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技术资料 基于LM3402的LED调光电路设计

The board can be optimized for a 230 V (AC) (50 Hz) or for a 120 V (AC) (60 Hz) mains source. Besides the mains voltage optimization, the board is designed to work with multiple high power LEDs with a total working voltage of between 9 V and 23 V. The output current can be limited using trimmer R2 ...
https://www.eeworm.com/dl/929296.html
下载: 3
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软件设计/软件工程 引言 1.1 编写目的 编写本测试计划的目的是为整个测试阶段的管理工作和技术工作提供指南；同时确定测试的内容和范围

引言 1.1 编写目的 编写本测试计划的目的是为整个测试阶段的管理工作和技术工作提供指南；同时确定测试的内容和范围，为评价系统提供依据；此外还帮助用户安排测试活动，说明对设备器材和机构人员的资源需求；说明测试结果的评价指标。 1.2 背景 说明本测试计划所属软件系统的名称、特征、要求和难点，以及在开始执行本测试 ...
https://www.eeworm.com/dl/684/188190.html
下载: 167
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书籍 RFID+Essentials

LIKE SO MANY OTHERS , THIS BOOK WAS WRITTEN BECAUSE WE COULDN ’ T FIND ONE LIKE IT . We needed something to hand to all of those people who have come to us asking for “a good book to read on RFID.” When we looked for candidates we found some great books, but most were aimed at electrical engineer ...
https://www.eeworm.com/dl/522396.html
下载: 1
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