标签: ds3900

摘要：本篇应用笔记讨论了DS3900串口通信模块和LabView的使用问题，LabView是适用于嵌入式应用的图形化界面开发平台。本文可作为面向DS3900的LabView界面用户指南。运用LabView控制DS3900串口通信模块HrishikeshShindeNov09,2006摘要：本篇应用笔记讨论了DS3900串口通信模块和LabView的使用问题，LabView是适用于嵌入式应用的图形化界面开发平台。本文可作为面向DS3900的LabView界面用户指南。介绍LabView作为嵌入式应用的图形化界面开发平台得到了广泛应用。DS3900串口通信模块是一款通用接口板，借助该接口板，用户可使用PC串口与具有IC接口的器件通信。DS3900的指令集允许应用软件与IC器件直接通信。本应用笔记是面向DS3900的LabView界面的用户指南。首先，用户需要安装LabView。为用户提供了标准VI，以加载并运行程序。可以下载与本应用笔记相关的LabView代码(ZIP，321K)。使用LabView软件加载VI后，用户必须运行该程序并按照以下步骤操作。(见图1)图1.LabView界面，用户通过该界面配置系统，以准备工作1.用户首先要选择DS3900所连接的串口。LabView自动搜索所有的可用串口资源，并在下拉列表中显示这些串口。选择DS3900所连接的串口。注意：与DS3900通信的缺省波特率为57600。本应用已在该波特率下进行了测试，可正常工作。建议用户在使用本应用时不要改变这个波特率。2.正确设置串口后，即可正常使用LED开/关功能。如果终端应用将LED连接到DS3900的脉冲输出端口(P3引脚)，则按下LED开/关按钮时LED会闪烁。3.下一步，通过点击FINDI2CADDRESS按钮，找到连接到IC总线上的所有器件地址。在SetI2CAddress输入框内键入将要与VI通信的从器……

Abstract:LabVIEW™isagraphicalprogrammingtoolusedinproductionandlaboratoryenvironmentstocollectdataandsupplycontrolsignalstomonitorandcontroltheenvironmentit'smonitoring.TheDS3900isanRS-232to2-wireinterfacewhichisdesignedtoprovideahardware/firmwareinterfacebetweenaPC'sserialportandany2-wiredevice.ThisapplicationbriefdescribeshowtouseLabVIEW,viaaPCserialporttocontrola2-wireinterface.AninterfacetoaDS1086isgivenasanexample.ThebriefalsodescribeshowtoconfiguretheLabVIEWgraphicaluserinterface(GUI)tocommunicatetotheDS3900serialportadapter.ExamplesaregivenonhowtomanipulatetheregistersettingsinaDS1086low-EMIEconOscillator™.FlowchartsshowingthedetailsonhowtocommunicatetotheDS1086areprovided.TheDS3900serialportto2-wireadapterisnotaproductintendedforsaleexceptindevelopmentkitsofferedbyDallasSemiconductorinsupportof2-wiredevicessuchastheDS1086.Although,writtenfortheDS1086,thisapplicationnotecanbeusedtodevelopaLabVIEW-basedinterfacetoanyDallasorMaxim2-wiredevices.Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSDIGITALPOTENTIOMETERSGENERALENGINEERINGTOPICSKeywords:Labview,DS3900,DS1086,2-wire,2wireSep09,2002APPLICATIONNOTE2152-WireCommunicationUsingLabVIEWAbstract:LabVIEWisagraphicalprogrammingtoolusedinproductionandlaboratoryenvironmentstocollectdataandsupplycontrolsignalstomonitorandcontroltheenvironmentit'smonitoring.TheDS3900isanRS-232to2-wireinterfacewhichisdesignedtoprovideahardware/firmwareinterfacebetweenaPC'sserialportandany2-wiredevice.ThisapplicationbriefdescribeshowtouseLabVIEW,viaaPCserialporttocontrola2-wireinterface.AninterfacetoaDS1086is……

Abstract:ThisapplicationnotedescribeshowtousetheDS3900PCserialportto3-wireinterfacetocommunicatewiththethreedigitalpots,theDS1267,DS1867,andDS1868,whichusethisshiftregisterinterfaceforprogramming.TheDS3900isamodulethathasaMAX3223RS-232transceiverandamicroprocessorwhichactsasaninterfacebetweenthePC'sserialportthe3-wiredevicebeingcontrolled.Thetransceiverallowsthemodule’smicroprocessortocommunicatewithaPCandthemicroprocessorimplementsacommandstructure,viaitsparallelport,toallowaPCtoreadorwritethethreedigitalpotentiometers.TheapplicationnotedescribestheDS3900andhowtointerfaceittothedevicesundertest.ThesourcecodedescribedinthearticleisavailableonDallasSemiconductor’sFTPsite.Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSDIGITALPOTENTIOMETERSGENERALENGINEERINGTOPICSKeywords:DS1267,DS1867,DS1868,DS3900,3-wire,digitalpots,3wire,digitalpotentiometersAug27,2002APPLICATIONNOTE213UsingaPCwithaDS3900toCommunicatewithDS1267s,DS1867s,andDS1868sAbstract:ThisapplicationnotedescribeshowtousetheDS3900PCserialportto3-wireinterfacetocommunicatewiththethreedigitalpots,theDS1267,DS1867,andDS1868,whichusethisshiftregisterinterfaceforprogramming.TheDS3900isamodulethathasaMAX3223RS-232transceiverandamicroprocessorwhichactsasaninterfacebetweenthePC'sserialportthe3-wiredevicebeingcontrolled.Thetransceiverallowsthemodule’smicroproces……

摘要：本应用笔记介绍了如何使用3线接口与DS3900PC串口通信与三个数字电位器，DS1267，DS1867，DS1868，使用这种移位寄存器的编程接口。与DS3900是一个模块，有1MAX3223RS-232收发器和微处理器充当PC的串口被控制的3线设备之间的接口。允许微处理器模块的通信与PC和微处理器实现的命令结构，通过并行端口，让PC机读取或写入的三个数字电位器的收发器。本应用笔记介绍了与DS3900和如何连接到被测设备。本文中所描述的源代码是达拉斯半导体公司的FTP站点上可用。Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSDIGITALPOTENTIOMETERSGENERALENGINEERINGTOPICSKeywords:DS1267,DS1867,DS1868,DS3900,3-wire,digitalpots,3wire,digitalpotentiometersAug27,2002APPLICATIONNOTE213UsingaPCwithaDS3900toCommunicatewithDS1267s,DS1867s,andDS1868sAbstract:ThisapplicationnotedescribeshowtousetheDS3900PCserialportto3-wireinterfacetocommunicatewiththethreedigitalpots,theDS1267,DS1867,andDS1868,whichusethisshiftregisterinterfaceforprogramming.TheDS3900isamodulethathasaMAX3223RS-232transceiverandamicroprocessorwhichactsasaninterfacebetweenthePC'sserialportthe3-wiredevicebeingcontrolled.Thetransceiverallowsthemodule’smicroproces……

摘要：本应用笔记介绍了发展建立一个硬件解决方案的设计考虑和硬件要求的I²C兼容使用DS3900的通信。Maxim>AppNotes>CommunicationsCircuitsGeneralEngineeringTopicsInterfaceCircuitsMeasurementCircuitsKeywords:DS3900,SDA,SCL,evaluate,I2C,communicationSep24,2009APPLICATIONNOTE4599UseaDS3900toEvaluateIC-CompatibleDevicesforSuccessfulBidirectionalCommunicationBy:JasonAndrewsAbstract:ThisapplicationnoteexplainsthedesignconsiderationsandhardwarerequirementsfordevelopingahardwaresolutiontoestablishIC-compatiblecommunicationsusingaDS3900.IntroductionTheDS3900isusedtoevaluateIC-compatiblecomponents,anditprovidesfast,bidirectionalcommunicationwith2-wiredevicesusingaPC'sserialport.Figure1showstherecommendedconfigurationforestablishin……

摘要：本应用笔记介绍了如何使用3线接口与DS3900PC串口通信与三个数字电位器，DS1267，DS1867，DS1868，使用这种移位寄存器的编程接口。与DS3900是一个模块，有1MAX3223RS-232收发器和微处理器充当PC的串口被控制的3线设备之间的接口。允许微处理器模块的通信与PC和微处理器实现的命令结构，通过并行端口，让PC机读取或写入的三个数字电位器的收发器。本应用笔记介绍了与DS3900和如何连接到被测设备。本文中所描述的源代码是达拉斯半导体公司的FTP站点上可用。Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSDIGITALPOTENTIOMETERSGENERALENGINEERINGTOPICSKeywords:DS1267,DS1867,DS1868,DS3900,3-wire,digitalpots,3wire,digitalpotentiometersAug27,2002APPLICATIONNOTE213UsingaPCwithaDS3900toCommunicatewithDS1267s,DS1867s,andDS1868sAbstract:ThisapplicationnotedescribeshowtousetheDS3900PCserialportto3-wireinterfacetocommunicatewiththethreedigitalpots,theDS1267,DS1867,andDS1868,whichusethisshiftregisterinterfaceforprogramming.TheDS3900isamodulethathasaMAX3223RS-232transceiverandamicroprocessorwhichactsasaninterfacebetweenthePC'sserialportthe3-wiredevicebeingcontrolled.Thetransceiverallowsthemodule’smicroproces……

摘要：™的LabVIEW是一个图形化编程工具，在生产和实验室的环境中，用于收集数据和电源控制信号，监测和控制环境的监测。与DS3900是一个RS-2322线接口，其目的是提供PC的串行端口和2线设备之间的硬件/固件接口。Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSDIGITALPOTENTIOMETERSGENERALENGINEERINGTOPICSKeywords:Labview,DS3900,DS1086,2-wire,2wireSep09,2002APPLICATIONNOTE2152-WireCommunicationUsingLabVIEWAbstract:LabVIEWisagraphicalprogrammingtoolusedinproductionandlaboratoryenvironmentstocollectdataandsupplycontrolsignalstomonitorandcontroltheenvironmentit'smonitoring.TheDS3900isanRS-232to2-wireinterfacewhichisdesignedtoprovideahardware/firmwareinterfacebetweenaPC'sserialportandany2-wiredevice.ThisapplicationbriefdescribeshowtouseLabVIEW,viaaPCserialporttocontrola2-wireinterface.AninterfacetoaDS1086is……