基于DSP和FPGA的通用控制器设计-刘鹏鹏

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DSPFPGA,,,,(610041):DSP,FPGA,。A/DQEP,;D/APWM;,。DSPFPGA,、、,。:;;;AD7656;:TP273:A1674-6236(2011)21-0170-03DesignofageneralmotioncontrollerbasedonDSPandFPGALIUPeng-peng,WANGJing,YINXiao-jie,SUIJun,WANGWei(SouthwestInstituteofTechnicalPhysics,Chengdu610041,China)Abstract:ThecentralofcontrollerisDSP,FPGAisusedforextendingandmanagingperipheralinterfaces.Thein-outsignalshavedifferentways;serialcommunicationcanbesettingdifferentmodes.Therefore,thecontrollerhasgreatuniversality.ThecontrollerhasmeritsofDSPandFPGA.Consequently,itisintegration,flexibility,universal,highspeedandhighprecision.Thecontrollersatisfieddifferentsituation.Keywords:controller;DSP;FPGA;AD7656;serialport:2011-09-05:201109026:(1987—),,,。:。,DSPFPGA,、、。DSP,、;FPGA,、。DSP+FPGA、、,、。1TI32DSPTMS320F28335,AlteraCycloneIIIFPGA[1]。FPGA,,,,。1,DSP、FPGA、A/D、D/A。A/D、QEP,;,D/A、PWM,。22.1DSPFPGATMS320F28335TI32[2],、。DSP,。FPGAAlteraCycloneIIIEP3C25。FPGAA/D、D/A、[3]。2.2DSPFPGADSPFPGA,。TMS320F2833516XINTF20,[4]。2。ElectronicDesignEngineering19Vol.1921No.21201111Nov.20111Fig.1Hardwarecircuitofcontroller-170-DOI:10.14022/j.cnki.dzsjgc.2011.21.0202.4D/A、,D/ATIDAC8814。DAC881416,,4,0.5μs。5D/A。DAC8814,DSPD/AFIFO,DAC8814SDI,4,OPA2277。6FPGAD/A1100101000111010。2.52.5.1MAXIMMAX3160。RS-232、RS-485RS-422,,。7。2.5.2FPGA,、、[6]。60MHz,。9600bps,3916250,,8(a)。,;,,5D/AFig.5D/Aconversioncircuit4A/DFig.4A/DtestresultDSP,FPGA,DSP,DSP。FPGA,DSP,DSP,FPGA,。2.3A/DAD616AD7656,250Ksps[5]。,A/D,Rx,。3A/D。,FPGAAD7656。FPGACONVSTA/B/CAD,FPGA,FPGA,FIFO,DSP。AD4:、、。4FPGAA/D。3A/DFig.3A/Dconversioncircuit2DSPFPGAFig.2InterfacecircuitofDSPandFPGA,DSPFPGA-171-《》201121;8,,,。8(b)01010101。,8,。,16,。8,,,。8(c)01010101。3TMS320F2335,;FPGA,DSP。DSPFPGA,、。:[1],,.DSPFPGA[J].,2007,14(3):260-262.LILun-bo,MAGuang-fu,ZHAOJian-ya.DesignandrealizationofmotioncontrolboardbasedonDSPandFPGA[J].ControlEngineeringofChina,2007,14(3):260-262.[2]TexasInstruments.LiteratureNumber:SPRS439B.TMS320F28335,TMS320F28334,TMS320F28332DigitalSignalControllers(DSCs)DataManual[S].2007.[3].Verilog[M].:,2008.[4],,.DSPFPGA[J].,2008,31(10):146-148.JIANGNan,MAYing-jian,FENGXiang.ResearchonparallelcommunicationbetweenDSPandFPGA[J].ElectromicMeaserementTechnology,2008,31(10):146-148.[5],.AD7656/[J].,2006(2):67-71.CHENRu-mei,GUOJian-shuo.ApplicationofADCAD7656insignalcollectionsystem[J].ElectronicDesignEngineering,2006(2):67-71.[6],,,.FPGA[J].,2009,32(1):233-235.ZHANGYu,HUYu-gui,YINKui-xi,etal.Realizationofmulti-serialsextensionbasedonFPGA[J].ChineseJournalofElectronDevices,2009,32(1):233-235.6FPGAD/AFig.6D/Atestresult7Fig.7Serialcommunicationcircuit8FPGAFig.8Testresultofserialport-172-

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