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单片机编程  ARM多端口存储器控制器PL176技术手册

　NXP半导体设计的LPC3000系列ARM芯片，适用于要求高性能和低功耗结合的嵌入式应用中。　　NXP通过使用90纳米的处理技术，将一个带有矢量浮点协处理器的ARM926EJ-S CPU内核与一系列包括USB On-The-Go在内的标准外设结合起来，从而实现LPC3000的性能目标。LPC3000系列ARM可工作在高于266MHz的CPU频率下。ARM926EJ-S CPU内核 ...

https://www.eeworm.com/dl/502/30667.html

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单片机编程  深入浅出AVR单片机--从ATMega48/88/168开始

深入浅出AVR单片机思路清晰，以AVR单片机为载体，介绍了初学单片机所必须掌握的专业知识。书中语言严谨但不乏幽默风趣，配以大量的照片、图示和实例程序，使读者在愉悦中完成专业知识的学习，并培养了学习嵌入式系统的兴趣。本书在讲述AVR单片机的同时，更注重于对读者学习和设计能力的启发、培养，帮助他们养成“从实践中 ...

https://www.eeworm.com/dl/502/31253.html

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单片机编程  An easy way to work with Exter

Internal Interrupts are used to respond to asynchronous requests from a certain part of themicrocontroller that needs to be serviced. Each peripheral in the TriCore as well as theBus Control Unit, the Debug Unit, the Peripheral Control Processor (PCP) and the CPUitself can generate an Interrupt Requ ...

https://www.eeworm.com/dl/502/31373.html

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单片机编程  PL2303 USB to Serial Adapter

The PL2303 USB to Serial adapter is your smart and convenient accessory forconnecting RS-232 serial devices to your USB-equipped Windows host computer. Itprovides a bridge connection with a standard DB 9-pin male serial port connector inone end and a standard Type-A USB plug connector on the other e ...

https://www.eeworm.com/dl/502/31610.html

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传感与控制  微电脑型交流电流异常警报电表

特点精确度0.25%滿刻度 &plusmn;1位數输入配线系统可任意选择 CT比可任意设定具有异常电流值与异常次数记录保留功能电流过高或过低检测可任意设定报警继电器复归方式可任意設定尺寸小,穩定性高 2.主要規格辅助电源: AC110V&220V &plusmn;20%(50 or 60Hz) AC220V&440V &plusmn;20%(50 or 60Hz)(optional) 精确度: 0.2 ...

https://www.eeworm.com/dl/562/34321.html

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传感与控制  微电脑型盘面式异常警报电表

特点精确度0.1%滿刻度 &plusmn;1位數可量測交直流電流/交直流电压/電位計/傳送器/Pt-100/荷重元/電阻等信号显示范围-1999-9999可任意规划具有异常值与异常次数记录保留功能异常信号过高或过低或范围內或范围外检测可任意設定报警继电器复归方式可任意設定尺寸小,穩定性高 2.主要規格精确度: 0.1% F.S. &plusmn;1 ...

https://www.eeworm.com/dl/562/34324.html

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传感与控制  多远程二极管温度传感器 (Design Considerat

多远程二极管温度传感器-Design Considerations for pc thermal management Multiple RDTS (remote diode temperature sensing) provides the most accurate method of sensing an IC’s junction temperature. It overcomes thermal gradient and placement issues encountered when trying to place external sensors. PC ...

https://www.eeworm.com/dl/562/34526.html

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无线通信  ASK发送器接收器用作汽车防盗报警系统

Abstract: After you park your car and go into your house, probably the last thing that you want to think about is someone stealing

https://www.eeworm.com/dl/510/36307.html

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C/C++语言编程  医院信息管理系统源代码

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_药品库存_药品资料]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1) ALTER TABLE [dbo].[药品库存] DROP CONSTRAINT FK_药品库存_药品资料 GO if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_门诊划价明细_门诊划 ...

https://www.eeworm.com/dl/503/37365.html

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C/C++语言编程  酒店管理系统源代码

if exists (select * from dbo.sysobjects where id = object_id(N\'[dbo].[FK_帐单明细_入住单]\') and OBJECTPROPERTY(id, N\'IsForeignKey\') = 1) ALTER TABLE [dbo].[帐单明细] DROP CONSTRAINT FK_帐单明细_入住单 GO if exists (select * from dbo.sysobjects where id = object_id(N\'[dbo].[FK_入住单_客房信息]\' ...

https://www.eeworm.com/dl/503/37367.html

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