<tr id="g8s88"></tr> 介紹基于ISA總線與KH-9300的數(shù)據(jù)采集板卡的設(shè)置，詳細(xì)說明8254定時(shí)計(jì)數(shù)器及8259中斷控制器的結(jié)構(gòu)特點(diǎn)、工作方式、控制字等，探討中斷類型、中斷處理程序、中斷矢量表及其填寫。重點(diǎn)講述使用TorboC編寫中斷服務(wù)程序的方法，應(yīng)注意的主要問題及程序測(cè)試的結(jié)果。 Abstract: The settings of KH-9300 data acquisition board based on the ISA bus is introduced,the structural characteristics,working methods,control characters of the timing counter 8254 and interruptioncontroller 8259 are explained in detail.The interruption type,interrupt handling programs,interruption vector table and its filling also are discussed.Further,great emphasis is put on the method of interrupt service program compiled by Torbo C,the main issues that should be noted,and the results of program testing.
上傳時(shí)間： 2013-11-14
上傳用戶：qq527891923
介紹一種基于C8051F060單片機(jī)和NAND Flash的數(shù)據(jù)采集存儲(chǔ)系統(tǒng)，該系統(tǒng)可實(shí)現(xiàn)3路信號(hào)采樣，每路采樣率為5KS/s,通過異步串行通信接口實(shí)現(xiàn)數(shù)據(jù)傳輸。并詳細(xì)說明系統(tǒng)的軟件設(shè)計(jì)。 Abstract: An acquisition and storage system based on C8051F060and NAND Flash is designed in this paper.The system is used to sample three-channel of signal,5KSPS each channel,and can upload data to test bench through UART（Universal Asynchronous Receiver/Transmitter）.The software design is discussed in detail.
標(biāo)簽： C8051F060 數(shù)據(jù)采集 存儲(chǔ)系統(tǒng)
上傳時(shí)間： 2013-10-12
上傳用戶：Jesse_嘉偉
TLC1543是TI公司推出的采用SPI技術(shù)的模數(shù)轉(zhuǎn)換器。具有輸入通道多、高速、高分辨率、性價(jià)比高、易于和單片機(jī)接口等特點(diǎn)，在各種數(shù)據(jù)采集系統(tǒng)中有著廣闊的應(yīng)用空間。51單片機(jī)、TLC1543加上很少的外圍器件即可構(gòu)成一個(gè)高性價(jià)比的數(shù)據(jù)采集系統(tǒng)，同時(shí)TLC1543占用單片機(jī)I/O資源較少，使得單片機(jī)有足夠的I/O資源去完成如控制、顯示等功能。由AT89C52和TLC1543構(gòu)成的三相單獨(dú)可調(diào)400Hz中頻電源的數(shù)據(jù)采集系統(tǒng)在實(shí)際運(yùn)用中達(dá)到很好的效果。
上傳時(shí)間： 2013-11-17
上傳用戶：xg262122
氣壓是氣象監(jiān)測(cè)中的一個(gè)重要參數(shù)，提出了一種氣壓數(shù)據(jù)采集模塊設(shè)計(jì)方案，該模塊采用數(shù)字氣壓傳感器MS5534B、MSP430單片機(jī)MSP430F2272和帶實(shí)時(shí)時(shí)鐘（RTC）64 KB鐵電存儲(chǔ)器。通過低功耗軟件設(shè)計(jì)方法以微安級(jí)整體平均功耗實(shí)現(xiàn)了氣壓數(shù)據(jù)的采集和存儲(chǔ)，適合電池供電的連續(xù)高精度氣壓采集應(yīng)用。給出了模塊的軟硬件設(shè)計(jì)以及MS5534B的性能指標(biāo)和使用經(jīng)驗(yàn)。 Abstract: Air pressure is an important parameter in weather monitor.This paper futs forward a new design scheme of low power-air pressure data acquisition module.The module uses a digital output barometer sensor MS5534B,MSP430 microcontroller MSP430F2272 and integrated RTC 64KB FRAM,precision air pressure measurement and storage chip.Another point of this module is low power consumption, so it is well suited for battery powered air pressure data acquisition applications. At the same time,the software and hardware deign of module is presented,And the speciaties and use notices of MS5534B are given.
上傳時(shí)間： 2014-12-27
上傳用戶：drink！
針對(duì)眾多低成本數(shù)據(jù)采集需求，采用帶有片上USB控制器和D/A轉(zhuǎn)換器的混合信號(hào)微處理器C8051F340，設(shè)計(jì)了一款可通過USB接口和LabVIEW圖形用戶界面實(shí)現(xiàn)與PC機(jī)聯(lián)機(jī)的數(shù)據(jù)采集器，同時(shí)借助系統(tǒng)的SD卡存儲(chǔ)獨(dú)立實(shí)現(xiàn)現(xiàn)場(chǎng)長時(shí)間采集數(shù)據(jù)。該數(shù)據(jù)采集器成本低，結(jié)構(gòu)簡(jiǎn)單，體積小，已成功用于工業(yè)現(xiàn)場(chǎng)。 Abstract: Aiming at the need of low cost data acquisition, a data acquisition device is designed based on C8051F340 which is a mixed-signal microcontroller and integrates USB controller and A/D controller on a chip.The data acquisition device which can combine with PC by USB interface and LabVIEW graphical user interface,can realize data acquisition. At the same time,it can be solely run a long time in virtue of SD card in field.The date aequisition device features low cost,simple structure and little sharp, and it has been used in industry field.
標(biāo)簽： C8051F340 數(shù)據(jù) 集器設(shè)計(jì)
上傳時(shí)間： 2014-05-31
上傳用戶：1109003457
介紹一種基于單片機(jī)的多路溫度采集及監(jiān)控系統(tǒng)，能夠測(cè)量6路溫度信號(hào)，具有計(jì)算機(jī)聯(lián)網(wǎng)功能，各測(cè)量點(diǎn)可以單獨(dú)監(jiān)控和設(shè)置，可根據(jù)用戶的需求自動(dòng)控制。測(cè)量溫度范圍為-10 ℃～200 ℃，控制方式采用模擬量調(diào)壓模式。該系統(tǒng)具有控制精度高、沖擊小等特點(diǎn)。 Abstract: A temperature collecting and surveillance-controlling system based on sing-chip microcomputer is introduced. It can measure 6 channel signal of the temperature,and it has a function of network connection.The temperature measure points can be monitored and located, it can be controlled automatic according to user’s demand.The temperature range is -10℃ to 200℃.The model of control is adjustable voltage with simulation. It features high precision and little impact.
標(biāo)簽： 多路 溫度采集 監(jiān)控系統(tǒng)
上傳時(shí)間： 2013-10-23
上傳用戶：bjgaofei
介紹了CAN總線和P87C591單片機(jī)的特點(diǎn)，給出了基于P87C591單片機(jī)的信號(hào)采集節(jié)點(diǎn)的軟、硬件設(shè)計(jì)，指出了硬件電路設(shè)計(jì)中應(yīng)注意的問題，在軟件設(shè)計(jì)中重點(diǎn)介紹了節(jié)點(diǎn)初始化、報(bào)文發(fā)送和報(bào)文接收等子程序。 Abstract: The features of CAN Bus and the microcontroller P87C591 are introduced, and the design of hardware circuit and soft configuration of the signals collection node based on P87C591 are presented. The problems in designing hardware circuit are discussed.Initialization subprogram, transmiting subprogram and receiving subprogram are emphasized in soft configuration.
標(biāo)簽： P87C591 信號(hào)采集 節(jié)點(diǎn)
上傳時(shí)間： 2013-11-03
上傳用戶：BIBI
本文對(duì)激光掃描車身坐標(biāo)測(cè)量系統(tǒng)的數(shù)據(jù)采集部分進(jìn)行了深入研究，設(shè)計(jì)了基于“AVR+FIFO+CPLD”的數(shù)據(jù)采集及處理模塊；解決了當(dāng)多路信號(hào)有數(shù)據(jù)同時(shí)傳輸時(shí)，如何將數(shù)據(jù)完整地寫入FIFO的問題，實(shí)現(xiàn)了數(shù)據(jù)的有效采集；編寫了完整的CPLD控制程序和AVR數(shù)據(jù)采集程序，為準(zhǔn)確測(cè)量待測(cè)點(diǎn)的坐標(biāo)提供了可靠的數(shù)據(jù)來源。
標(biāo)簽： 激光掃描 坐標(biāo)測(cè)量 數(shù)據(jù)采集系統(tǒng) 車身
上傳時(shí)間： 2013-10-29
上傳用戶：asaqq
具有PCI總線等接口形式的采集卡雖然傳輸速率高，但安裝麻煩,易受PC機(jī)插槽數(shù)量、地址、中斷資源的限制。為了解決以上問題，設(shè)計(jì)了基于ISP1581的高速USB接口的多通道數(shù)據(jù)采集系統(tǒng)，介紹了系統(tǒng)硬件組成以及軟件程序的開發(fā)過程。經(jīng)驗(yàn)證，系統(tǒng)最高傳輸速率可達(dá)60 Mb/s。
標(biāo)簽： 1581 ISP USB 數(shù)據(jù)采集系統(tǒng)
上傳時(shí)間： 2013-10-31
上傳用戶：ANRAN
摘要:設(shè)計(jì)了基于單片機(jī)的罐道傾角數(shù)據(jù)采集系統(tǒng),介紹了系統(tǒng)的構(gòu)成、工作原理和流程圖,給出了單片機(jī)AT89S52與外圍器件的硬件接口電路。使用匯編語言和VisualBasic設(shè)計(jì)了PC機(jī)與單片機(jī)間的串行通信程序,并提出了數(shù)據(jù)趨勢(shì)曲線的繪制方法。設(shè)計(jì)的數(shù)據(jù)采集系統(tǒng)具有易實(shí)現(xiàn)、易編程、可移植、體積小、功耗低等優(yōu)點(diǎn)。關(guān)鍵詞:單片機(jī);數(shù)據(jù)采集系統(tǒng);罐道傾角;串行通信;VB
標(biāo)簽： 單片機(jī) 串行通信 數(shù)據(jù)采集 系統(tǒng)設(shè)計(jì)
上傳時(shí)間： 2013-11-19
上傳用戶：012345
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