Simulator Configuration Guide for Synopsys Models

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Chapter 7: Using QuickSim II with Synopsys ModelsSimulator Configuration GuideIf the TimingVersion property value is not specified, the default timing version isactivated. If a symbol is not specified when applicable, the default is used. The defaultsare “positive” for logic version, and “pin” for symbol type.Selecting Alternate SymbolsWhen there are DeMorgan equivalent symbols, the positive version is the default.Specify “NEG” as the symbol name to get the negative logic symbol (if desired), asfollows:% $add_instance (“$LMC_HOME/special/qsim/symbols/ttl00”,”NEG”,,, \[“TimingVersion”,”SN74AS00”])When activating parts manually, remember that the pin symbol is the default when bothpin and bus symbols are available. Specify the bus symbol (if desired), as follows:% $add_instance (“$LMC_HOME/special/qsim/symbols/mc68030_hv”,”BUS”,,, \[“TimingVersion”,”MC68030-33”])Use the Mentor Graphics Design Viewpoint Editor (DVE) to set the primitive type forSWIFT in DVE. To ensure that SWIFT instances are evaluated as primitives, you canadd to the primitive rule using the add primitive command within DVE. In the followingexample, the add primitive command causes all instances of the MODEL property value“SWIFT” to be evaluated as primitives by QuickSim II.% add primitive “model” -noexcept -string “SWIFT”The string “SWIFT” can be substituted with any other labels that you have registeredwith the model type of “swift”.Logic SimulationThe following sections in this chapter provide information about using SmartModels forlogic simulation in the Mentor Graphics’s QuickSim II environment. For relatedinformation, refer to the following Mentor Graphics manuals:●●●Common Simulation User's and Reference ManualGetting Started with QuickSim II Training WorkbookQuickSim II User's Manual134 Synopsys, Inc. October 6, 2003
Simulator Configuration GuideChapter 7: Using QuickSim II with Synopsys ModelsCurrent Support LevelsPlease note the following important items before starting a simulation. SmartModelLibrary models currently:●●●Do support the implementation of location maps. You can use location maps toinstall a library anywhere on the system. Set an environment variable and a locationmap variable before using location maps.Do support extended-time (64-bit) simulations.Do not support the unit delay timing mode.Default Timing ModeThe default timing mode for SWIFT SmartModels is “typ”. You can use thetiming-mode switch at QuickSim invocation time to force the timing mode to be “min”,“typ”, or “max”.Signal Levels and Drive StrengthsSmartModels recognize the nine signal levels and drive strengths listed in Table 16.QuickSim II maps indeterminate strengths to unknowns for “12-state” simulations.The models generate strong and resistive states. The high-impedance unknown state(XZ) is used when a model places an output in the high-impedance state.Table 16: Signal State ValuesSignal LevelDrive Strength Low (0) High (1) Unknown (x)Strong (S) 0S 1S XSResistive (R) 0R 1R XRHigh Impedance (Z) 0Z 1Z XZThe state values shown in bold type are generated by the models. All values arerecognized.October 6, 2003 Synopsys, Inc. 135
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Simulator ConfigurationGuide for Sy
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ContentsSimulator Configuration Gui
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FiguresSimulator Configuration Guid
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TablesSimulator Configuration Guide
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PrefaceSimulator Configuration Guid
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Chapter 1: Using Synopsys Models wi
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Chapter 2: Using VCS with Synopsys
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Chapter 3: Using ModelSim Verilog w
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Chapter 4: Using ModelSim VHDL with
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Chapter 8: Using Scirocco with Syno
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Chapter 9: Using VERA with Synopsys
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Chapter 10: Using SystemC with Syno
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Appendix A: Using LMTV with Synopsy
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Appendix B: Using Custom Memory Mod
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IndexSimulator Configuration Guide$
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Simulator Configuration Guide for Synopsys Models

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