因?yàn)椴捎昧藗鹘y(tǒng)機(jī)械開關(guān)，用戶使用電容傳感器接口的方式直接與各種工作條件下（可靠性）接觸傳感器的響應(yīng)度（靈敏度）相關(guān)。本文將介紹一些通用電容傳感器模擬前端...

　　目前的移動終端設(shè)備如手機(jī)、PDA、掌上電腦已廣泛應(yīng)用于消費(fèi)、通信、工控、視頻監(jiān)控等多個領(lǐng)域，它們的電源管理設(shè)計是很大的挑戰(zhàn)，因?yàn)樵谀壳暗囊苿咏K端上，它不僅要...

    在現(xiàn)代高性能電力電子和交流電機(jī)控制系統(tǒng)中，DSP已經(jīng)取代了微控制器成為控制器的核心。其快速強(qiáng)大的運(yùn)算和處理能力以及并行運(yùn)行的能力，滿足了電力電子裝置控...

1.工程概述 　　沈陽開發(fā)區(qū)化工園水廠座落在沈陽開發(fā)區(qū)產(chǎn)業(yè)集群區(qū)，于2007年12月建成投產(chǎn)，隨著自動化控制技術(shù)高度發(fā)展和網(wǎng)絡(luò)技術(shù)的日益成熟，新一代的水廠控制...

1、引言 　　在人體成分的研究中，測量人體生物電阻抗值可以得到水分、脂肪等與人體健康狀況有關(guān)的信息，對人身體狀況的監(jiān)視、疾病的早期診斷有著重要的...

　   單片機(jī)產(chǎn)生的脈沖信號源由于是靠軟件實(shí)現(xiàn)的，所以輸出頻率及步進(jìn)受單片機(jī)時鐘頻率、指令數(shù)和指令執(zhí)行周期的限制。文中介紹了一種以CPLD為核心的脈沖信號源，脈沖...

　　基于FPGA、ASIC和ASSP控制器的設(shè)計所采用的傳統(tǒng)方法是使用鎖相環(huán)或延遲鎖定環(huán)電路，以保證在源時鐘和用于捕捉數(shù)據(jù)的時鐘間具有固定的相移或延時。該方法的一個明顯缺點(diǎn)...

soc是什么意思 20世紀(jì)90年代中期，因使用ASIC實(shí)現(xiàn)芯片組受到啟發(fā)，萌生應(yīng)該將完整計算機(jī)所有不同的功能塊一次直接集成于一顆硅片上的想法。這種芯片...

How to Use the DS1678 Real-Time Event Recorder Abstract: This note demonstrates an application using the DS1678 real-time event recorder. The software example includes basic operating routines. A schematic of the application cir...

具有風(fēng)扇失效指示的監(jiān)控IC 摘要：通過單片IC監(jiān)測風(fēng)扇的正常轉(zhuǎn)動，該方案具有準(zhǔn)確、可靠、簡單以及成本低等特點(diǎn)。 在許多設(shè)備中應(yīng)用的無刷直流風(fēng)扇對設(shè)備...

White Paper 7: Thermochron Mission Authentication and Security Abstract: The applications for the Thermochron range from shipping monitoring of perishable goods or containers of temperature-sensitive chemicals to process verific...

Networked Temperature Monitoring Abstract: An IP-based networked sensor monitor can easily be created through the combination of the Tiny Internet Interfaces (TINI®) platform, 1-Wire® sensors, and the appropriate Java...

Lithium Coin-Cell Batteries: Predicting an Application Lifetime Abstract: This application note discusses various contributors to battery capacity consumption in a batte...

Design Considerations for Dallas Semiconductor Real-Time Clocks Abstract: A real-time clock (RTC) allows a system to synchronize or time-stamp events to a time reference that can be easily understood by the user. Because RTCs ar...

Using the DS32kHz with Dallas Real-Time Clocks Abstract: This application note describes how to reduce current consumption when using the DS32kHz with Dallas Real-Time Clocks (RTCs). Overview ...

12-Bit Thermometer Using an 8-Bit μC and Assembler This application note explains how to implement a 12-bit digital thermometer using a low-cost, 8-bit microcontroller (μC) and the MPASM free assembler. The thermomet...

New IC Cap...

Interfacing 8051-based Microcontrollers Abstract: This application note describes how to configure the UARTs of a High-Speed Microcontroller or Ultra-High-Speed Flash Microcontroller to communicate with an SCI-enabled device. It...

Using a UA...

Determining Clock Accuracy Requirements for UART Communications Abstract: This applicati...