标签: 者疑

解决初学者疑惑：VHDL、Verilog，System+verilog比较DigitalSimulationWhitePaperComparisonofVHDL,VerilogandSystemVerilogStephenBaileyTechnicalMarketingEngineerModelTechnologywww.model.comIntroductionAsthenumberofenhancementstovariousHardwareDescriptionLanguages(HDLs)hasincreasedoverthepastyear,sotoohasthecomplexityofdeterminingwhichlanguageisbestforaparticulardesign.ManydesignersandorganizationsarecontemplatingwhethertheyshouldswitchfromoneHDLtoanother.Thispapercomparesthetechnicalcharacteristicsofthree,general-purposeHDLs:explicitlyconvertfromonedatatypetoanother(integertobit-vector,forexample).ThecreatorsofVHDLemphasizedsemanticsthatwereunambiguousanddesignsthatwereeasilyportablefromonetooltothenext.Hence,racecon……