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Xilinx 8.2i manual 3Guided Mapping

Models: 8.2i

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Page 144

Chapter 7: MAP

Because of the way signals are checked, make sure you don’t use an underscore as your bus delimiter. If you name a bus signal data0_01 and a non-bus signal data1, MAP sees them as data0 and data1 and register orders them even though you do not want them register ordered.

Guided Mapping

In guided mapping, an existing NCD is used to guide the current MAP run. The guide file may be from any stage of implementation: unplaced or placed, unrouted or routed. Xilinx recommends that you generate your NCD file using the current release of the software; however, MAP does support guided mapping using NCD files from the previous releases.

Note: When using guided mapping with the –timing option, Xilinx recommends using a placed NCD as the guide file. A placed NCD is produced by running MAP –timing or PAR.

The following figure shows the guided mapping flow:

First MAP Run		Second MAP Run
NGD		NGD
Input Design		Modified Input Design

	NCD	NGM
	Guide File	Guide File
	MAP
	MAP
	MDF
	Decomposition
	Hints
	NCD
	New Mapped Design
NGM	NCD
Mapped Design	Mapped Design
	PAR
	NCD
	Placed and Routed Design
		X8995

Figure 7-3:Guided Mapping

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Development System Reference Guide

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8.2i specifications

Xilinx 8.2i is a significant version of the Xilinx ISE (Integrated Software Environment) that emerged in the early 2000s, marking an important milestone in the world of FPGA (Field-Programmable Gate Array) development. This version introduced a slew of advanced features, technologies, and characteristics that made it an indispensable tool for engineers and developers in designing, simulating, and implementing digital circuits.

One of the standout features of Xilinx 8.2i is its enhanced design entry capabilities. This version supports multiple design entry methods, including schematic entry, VHDL, and Verilog HDL, giving engineers the flexibility to choose their preferred approach. The integrated environment provides user-friendly graphical interfaces, making it accessible for both novice and experienced users.

Xilinx 8.2i's synthesis tools have been improved to enable more efficient design compilation and optimization. The new algorithms used in this version facilitate faster synthesis times while reducing power consumption and improving performance. Furthermore, it features support for advanced FPGA architectures, which allows for the implementation of more complex designs with greater efficiency.

The implementation tools in Xilinx 8.2i include advanced place and route capabilities, utilizing state-of-the-art algorithms for optimized resource usage. These tools enable designers to make better use of FPGA resources, ensuring that designs fit within the constraints of the target device while maximizing performance.

Another key characteristic of Xilinx 8.2i is its extensive support for various Xilinx devices such as the Spartan, Virtex, and CoolRunner series. This compatibility ensures that developers can leverage the powerful features of these FPGA families, including high-speed transceivers and DSP slices.

Xilinx 8.2i also places a strong emphasis on simulation and verification. The version integrates with various simulation tools, allowing for thorough testing of the designs before implementation. This reduces the risk of errors and ensures that the final product meets specifications.

In addition, this version includes support for design constraints, enabling engineers to specify timing, area, and other critical design parameters. By accommodating constraints, Xilinx 8.2i helps in achieving reliable and efficient designs tailored to project needs.

In summary, Xilinx 8.2i is a robust software development tool that enhances the design process for FPGAs. Its comprehensive features, including multiple design entry options, advanced synthesis and implementation tools, extensive device support, and strong simulation capabilities, make it a valuable resource for engineers and developers striving for innovation in digital design.

Contents

Development System Reference Guide Development System Reference Guide Guide Contents About This Guide Preface About This Guide Additional Resources ConventionsTypographical Online Document Preface About This Guide Convention Meaning or Use ExampleAllow block blockname Loc1 loc2 ... locn Table of Contents Tcl PARTGen Logical Design Rule Check NGDBuildMAP Physical Design Rule Check PAR Development System Reference Guide XPower PIN2UCF Trace Trace Output Files Speedprint BitGen BSDLAnno PROMGen IBISWriter CPLDfit TsimTAEngine Hprep6 NetGen Development System Reference Guide Xflow Data2MEM EDIF2NGD, and NGDBuild Command Line Program Overview 1Command Line Programs in the Design Flow Design Flow StepIntroduction Command Line Syntax Command Line OptionsExecute Commands File Introduction Command Line Options Symbol DescriptionHelp Introduction Symbol Description Intstyle Integration StyleProgramname -harchitecturename Programname -h filename 2Part Number Examples Specification Part Number Invoking Command Line Programs Introduction 2Part Number Examples Specification Design Flow Design Flow Overview Design Flow Xilinx Design Flow Design Flow Overview 2Xilinx Software Design Flow FPGAs 3Xilinx Software Design Flow CPLDs Design Entry and Synthesis Hierarchical DesignDesign Entry and Synthesis Schematic Entry Overview Library ElementsCore Generator Tool FPGAs Only HDL Entry and Synthesis Functional SimulationConstraints Mapping Constraints FPGAs Only Block Placement Timing SpecificationsDesign Implementation Netlist Translation Programs Design Implementation 5Design Implementation Flow FPGAs 6Design Implementation Flow CPLDs Mapping FPGAs Only Placing and Routing FPGAs OnlyBitstream Generation FPGAs Only Design Verification 1Verification Tools Verification Type Design Verification 7Three Verification Methods of the Design Flow FPGAs Simulation Back-Annotation 9Back-Annotation Flow for FPGAs Schematic-Based Simulation NetGen HDL-Based Simulation Timing Simulation 11Simulation Points for HDL Designs 2Five Simulation Points in HDL Design Flow UniSim SimPrim Static Timing Analysis FPGAs Only In-Circuit Verification Design Rule Checker FPGAs OnlyXilinx Design Download Cables Probe 3Global Clock Resources Fpga Family Number Destination Pins Fpga Design TipsDesign Size and Performance Global Clock Distribution Data Feedback and Clock Enable 12 Gated Clock 13Synchronous Design Using Data Feedback Counters Other Synchronous Design Considerations Q0. . . .Q7 Q8. . . .Q15Q0. . . .Q7Q8. . . .Q15 Tcl Tcl Overview Accessing Help Xilinx Tcl Shell Tcl Fundamentals Tcl Fundamentals Xilinx Tcl Commands 1Xilinx Tcl Commands for General Usage SubcommandsXilinx Namespace Project create and manage projects Tcl Commands for General Usage 2Xilinx Tcl Commands for Advanced Scripting SubcommandsPartition support design preservation Tcl Commands for General Usage Delete delete a partitionGet get partition properties Partition delete /stopwatch/Instdcm1 New create a new partition Partition get /stopwatch/Instdcm1 preservePartition new /stopwatch/Instdcm1 Properties list available partition properties Rerun force partition synthesis and implementationPartition properties Set set partition preserve property Process run and manage project processes Run run process task4Process Tasks Clean remove system-generated project files Project cleanProject create and manage projects Close close the ISE project Get get project propertiesGetprocesses get project processes Project close New create a new ISE project Open open an ISE projectProject getprocesses -instance Instdcm1 Project new watchver.ise Properties list project properties Set set project properties, values, and optionsProject properties -process all Set device set device Set family set device familyProject set Map Effort Level high Project set device xc2vp2 Set package set device package Set speed set device speedProject set family Virtex2p Project set package fg256 Timinganalysis generate timing analysis reports Set top set the top-level module/entityDelete delete timing analysis Project set speed Disableconstraints disable timing constraints Disablecpt disable components for path tracing control Enablecpt enable components for path tracing control Timinganalysis enableconstraintsStopwatchtiming TSclk=PERIOD TIMEGROUP\sclk\ Ns High 50.00000% Timinganalysis enablecpt stopwatchtiming Get get analysis propertyRegsrclk ureg1 ureg2 ureg3 Ascii New new timing analysis Reset reset path filters and constraints Timinganalysis reset stopwatchtimingRun run analysis Saveas save analysis report Set set analysis properties Setconstraint set constraint for custom analysisTiminganalysis set stopwatchtiming Analysisspeed Setendpoints set source and destination endpoints Timinganalysis setconstraint stopwatchtimingPeriod 13 sclk Setquery set up net or timegroup report Setfilter set filter for analysisTiminganalysis setfilter stopwatchtiming nets Exclude uregnet1 uregnet2 uregnet3 Showsettings generate settings report Xfile manage project filesAdd add file to project Example Get get project file properties Remove remove file from projectXfile add *.vhd /mysource/mysubdir timing.ucf Xfile get timestamp stopwatch.vhd Tcl Commands for Advanced Scripting Collection create and manage a collectionAppendto add objects to a collection Xfile remove stopwatch.vhd Tcl Commands for Advanced Scripting Copy copy a collectionSet colVar1 search * -type instance Set colVar2 $colVar1 Equal compare two collections Set colVar2 collection copy $colVar1Set colVar2 search /top/T* -type instance Collection equal $colVar1 $colVar2 Foreach iterate over elements in a collection Get get collection property Index extract a collection object Properties list available collection propertiesSet item collection index $colVar Object name $item Removefrom remove objects from a collection Set set the property for all collectionsCollection properties Object get object information Sizeof show the number of objects in a collectionCollection set displaytype true Collection sizeof $colVar Get get object properties Name name of the objectCollection foreach obj $colVar set objProps Object properties $obj foreach prop $objProps Properties list object properties Object name collection index $colVarSet colVar search * -type partition Search search and return matching objects Type type of objectObject type collection index $colVar Project Properties and Options Search /stopwatch -type instance6Project Properties Property Name Description Option Name Synthesis Tool Project Properties and Options NGDBuild Options Option Name Implementation Tool Option Name Implementation Tool Tcl 10 PAR Options Example Tcl Scripts Sample Tcl Script for General UsageExample Tcl Scripts Tcl Sample Tcl Script for Advanced Scripting 100 PARTGen PARTGen OverviewPARTGen Syntax Partgen options PARTGen Input Files PARTGen Output FilesPARTGen Options Arch Print Information for Specified Architecture PARTGen Options Print a List of Devices, Packages, and Speeds PARTGen Options 2s400e Creates Package file and Partlist Files Nopkgfile No Package FilePname Xcv400 Device V400bg432 Part Partlist File Creates Package and Partlist Files Header Device AttributesPartlist File Part architecture family partname diename packagefilename Select RAM PKG File PKG File Done Logical Design Rule Check Logical DRC Overview Logical DRC Checks Block CheckNet Check Pad Check Clock Buffer Check Name CheckLogical DRC Checks 1Checked Primitive Pins NGD Primitive Pins Checked Primitive Pin Check NGDBuild NGDBuild Overview Converting a Netlist to an NGD File 1NGDBuild Design Flow NGDBuild Syntax NGDBuild Input FilesNGDBuild Syntax Ngdbuild options designname ngdfile.ngd 120 Add PADs to Top-Level Port Signals NGDBuild Output FilesNGDBuild Intermediate Files NGDBuild Options Aul Allow Unmatched LOCs Bm Specify BMM FilesDd Destination Directory Ignore UCF File Insertkeephierarchy Libraries to SearchNGDBuild Options Synopsys Modular assemble Module Assembly Modular initial Initial Budgeting of Modular DesignModular assemble -pimpath pimdirectorypath Usepimmodulename1 -usepimmodulename2 Modular module Active Module Implementation Nt Netlist Translation TypeModular module -active modulename Pimcreate pimdirectory -ncd designnamerouted.ncd Ignore LOC Constraints Sd Search Specified DirectoryAllow Unexpanded Blocks Uc User Constraints File Ur Read User Rules FileVerbose Report All Messages Uc ucffile.ucf 128 MAP MAP Overview MAP Syntax Map options infile.ngd pcffile.pcf MAP Input Files MAP Output FilesMAP Input Files MAP Options 1Map Options and Architectures Bp Map Slice Logic Pack CLBsMAP Options 1Map Options and Architectures Cpackfactor Cm Cover Mode Detail Write Out Detailed MAP ReportEquivalentregisterremoval Remove Redundant Registers Cm area speed balanced Gm Guide Mode Gm incremental Guide Mode incrementalGf Guide NCD File Globalopt Global Optimization Ignorekeephierarchy Ignore Keephierarchy Properties Ir Do Not Use RLOCs to Generate RPMsIse ISE Project File Map to Input Functions No logic replication Output File Name Ol Overall Effort Level Olstdmedhigh Pr Pack Registers in I/O No Register OrderingRegisterduplication Duplicate Registers Retiming Register Retiming During Global Optimization Timing Timing-Driven Packing and Placement Tx Transform BusesTx on off aggressive limit MAP Process Do Not Remove Unused LogicXe Extra Effort Level MAP Process Register Ordering Register Ordering Data01 Addr02 Atod03 Dtoa04 Guided Mapping 3Guided Mapping Simulating Map Results Simulating Map Results 4Logical Circuit Representation MAP Report MRP File MAP Report MRP File 148 Development System Reference Guide 149 Type Block GND Xstgnd IOB 152 Halting MAP Halting MAP 154 Physical Design Rule Check DRC Overview DRC Syntax DRC Input FileDRC Output File DRC Options DRC Checks Report Incomplete ProgrammingDRC Checks DRC Errors and Warnings PAR Place and Route Overview PAR Flow PAR Process PlacingRouting Timing-driven PAR Command Line Examples Par input.ncd output.ncdPar -k previous.ncd reentrant.ncd pref.pcf Guided PAR Guided PAR PCI Cores PAR Syntax PAR Input FilesPAR Output Files PAR Syntax 1Effort Level Options Function Range Default General Options Function Range DefaultPAR Options Ol value for the router PAR Options 2General Options Function Range Default Guide Options Function Range DefaultExistingfile Execute Commands File Detailed Listing of OptionsGf Guide NCD File Gm Guide Mode Intstyle Integration StyleRe-Entrant Routing PAR Options Multi-Tasking Mode Number of PAR IterationsNopad No Pad Ol Overall Effort Level No Placement Power Power Aware PARPl Placer Effort Level No Routing Number of Results to Save Starting Placer Cost TableUb Use Bonded I/Os Overwrite Existing Files Performance Evaluation Mode PAR ReportsXe Extra Effort Level PAR Reports Place and Route Report File Development System Reference Guide 175 Ing score in parenthesis Development System Reference Guide 177 Multi Pass Place and Route Mppr Placer effort levelrouter effort levelcost table numberPar -n 3 -pl high -rl std address.ncd output.dir Select I/O Utilization and Usage Summary Importing the PAD File InformationGuide Reporting Multi Pass Place and Route Mppr Best Performance Mode Xplorer Timing Closure Mode Xplorer SyntaxXplorer Xplorer Input Files Xplorer Output FilesXplorer Options 5Xplorer Options Function Xplorer Report Xplorer 5Xplorer Options Function 184 ReportGen ReportGen SyntaxReportGen Input Files ReportGen Output Files ReportGen Options Option Usage FunctionIsexflowsilent Padfmt padcsvtxt Turns Engine PAR Multi-Tasking Option Turns Engine OverviewTurns Engine PAR Multi-Tasking Option Par -m nodefilename -ol high -n 10 mydesign.ncd output.dir Turns Engine Syntax Turns Engine Input Files Turns Engine Output Files LimitationsSystem Requirements Turns Engine Environment Variables Debugging Rsh machinename Screen Output Node Status JOB Time Halting PAR Halting PAR 196 XPower XPower Overview XPower Syntax Files Used by XPowerFpga Designs Cpld Designs Using XPower Using XPowerVCD Data Entry Rename Power Report Other Methods of Data EntryLimit Ls List Supported Devices Specify Settings XML Input File Specify VCD fileTb Turn On Time Based Reporting Wx Write XML File Command Line Examples Power ReportsStandard Reports Power Reports Detailed ReportsAdvanced Reports 204 PIN2UCF PIN2UCF Overview PIN2UCF Flow PIN2UCF Syntax PIN2UCF Input FilesPIN2UCF Output Files PIN2UCF Syntax PIN2UCF Options PIN2UCF ScenariosWrite to a Report File Outfile.ucf Existing Pinlock section. 210 Trace Trace Overview Trace Syntax Trace Input FilesTrce options design.ncd constraint.pcf Trce -runmacro.xtm design.ncd constraint.pcf Trace Output Files Input files to TraceTrace Output Files Generate an Error Report Trace OptionsAdvanced Analysis Fastpaths Report Fastest Paths Nodatasheet No Data Sheet Limit Timing ReportOutput Timing Report File Name Trace Options Run Run Timing Analyzer Macro Change SpeedSkew Analyze Clock Skew for All Clocks Skew Stamp Generates Stamp timing model files Report Uncovered PathsStampstampfile design.ncd Ulimit Trace Command Line Examples Generate a Verbose ReportXml XML Output File Name Vlimit Trace Reports Trace Reports Net Delay Constraints Path Delay ConstraintsTiming Verification with Trace Net Skew Constraints Clock Skew and Setup Checking 1Path Delay Constraint Terminology Definition 2Clock Skew and Setup Checking Terminology Terms Definition 2Clock Skew Example 3Clock Passing Through Multiple Buffers Reporting with Trace 5Error reporting for failed timing constraints Data Sheet Report Development System Reference Guide 227 BSLOT0 D0S Guaranteed Setup and Hold Reporting Report Legend Setup Times Hold Times Summary Report Without a Physical Constraints File Specified Trce -o summary.twr ramb16s1.ncd Trce -o summary1.twr ramb16s1.ncd clkperiod.pcf Development System Reference Guide 233 Trce -e 3 ramb16s1.ncd clkperiod.pcf -o errorreport.twr Development System Reference Guide 235 236 Development System Reference Guide 237 BUFGMUX.I0 Offset Constraints Offset Constraints Offset in Constraint Examples Offset in HeaderOffset in Path Details Offset in Detailed Path Data Offset In with Phase Shifted Clock Offset in Detail Path Clock Path Development System Reference Guide 243 Offset OUT Constraint Examples Offset OUT Header Offset OUT Path Details Offset OUT Detail Clock Path Offset OUT Detail Path Data Period Constraints Period Constraints ExamplesPeriod Header Period Constraints Period Path Period Path Details Period Constraint with Phase Period Path with Phase Halting Trace Minimum Period Statistics Speedprint Speedprint Overview Specify Temperature Speedprint SyntaxSpeedprint Options Min Display Minimum Speed Data Speedprint Example Commands Speedprint Example CommandsCommand Description Speedprint Example Reports Lvttl Fast BitGen BitGen Overview BitGen Syntax Option Output FileLoutfilename.ll Moutfilename.msk Boutfilename.rbt BitGen Input Files BitGen Output FilesBitGen Input Files BitGen Options Create Rawbits File Bd Update Block Rams Set ConfigurationBitgen -goptionsetting design.ncd design.bit design.pcf Do Not Run DRC ActiveReconfig ActivateGCLKBinary CclkPin ConfigRate Compress DCIUpdateMode DCMShutdownDebugBitstream DisableBandgap DONEcycleDonePin DonePipe DriveDone EncryptGclkdel0, Gclkdel1, Gclkdel2, Gclkdel3 GSRcycle GWEcycle GTScycleHswapenPin Key0, Key1, Key2, Key3, Key4, Key5 KeyFile Keyseq0, Keyseq1, Keyseq2, Keyseq3, Keyseq4, Keyseq5LCKcycle M0Pin M1Pin M2PinMatchcycle PartialGCLK PartialMask0, PartialMask1, PartialMask2 PartialLeftPartialRight Persist PowerdownPin ProgPinReadBack Security SEURepair StartCBCStartKey StartupClk TckPin TdiPinTdoPin TmsPin No BIT File UnusedPinUserID Create a Logic Allocation File Generate a Mask FileCreate a Partial Bit File Overwrite Existing Output File 276 BSDLAnno BSDLAnno Overview BSDLAnno Syntax BSDLAnno Input FilesBSDLAnno Output Files BSDLAnno Options BSDLAnno File Composition Entity DeclarationGeneric Parameter BSDLAnno File Composition Logical Port Description Package Pin-Mapping USE Statement Scan Port IdentificationTAP Description Bsdl File Modifications for Single-Ended Pins Boundary Register Description Explanation Boundary Scan Behavior in Xilinx Devices Modifications to the Designwarning SectionHeader Comments BSDLAnno BSDLAnno version number PROMGen PROMGen Overview PROMGen Syntax PROMGen Input FilesPROMGen Output Files Promgen options PROMGen Options Add BIT FIles Prom FormatLoad Prom File File1.bit file2.bit Prom Size Template FileLoad Upward Ver Version Enable Compression Bit Swapping in Prom Files PROMGen Examples PROMGen Examples 292 IBISWriter IBISWriter Overview IBISWriter Syntax Ibiswriter options infile outfile.ibs IBISWriter Input Files IBISWriter Output FilesIBISWriter Options Set Reference Voltage Ml Multilingual Support Architecture Option Value Description Pin Generate Package Parasitics IBISWriter Options 298 CPLDfit CPLDfit Overview CPLDfit Syntax CPLDfit Input FilesCPLDfit Output Files CPLDfit Options Inputs Number of Inputs to Use During Optimization Iostd Specify I/O StandardKeepio Prevent Optimization of Unused Inputs Loc Keep Specified Location Constraints Nofbnand Disable Use of Foldback Nands Nogclkopt Disable Global Clock OptimizationNogsropt Disable Global Set/Reset Optimization Nogtsopt Disable Global Output-Enable Optimization Power Set Power Mode Optimize Optimize Logic for Density or SpeedSpecify Xilinx Part Pinfbk Use Pin Feedback Terminate Set to Termination Mode Unused Set Termination Mode of Unused I/OsSlew Set Slew Rate Wysiwyg Do Not Perform Optimization 306 Tsim Tsim Syntax Tsim Input Files TAEngine TAEngine Overview TAEngine Syntax 1TAEngine Design Flow TAEngine Options Detail Detail ReportIopath Trace Paths Specify Output Filename 312 Hprep6 1Hprep6 Design Flow Hprep6 Syntax Hprep6 OptionsAutosig Automatically Generate Signature Nopullup Disable Pullups Specify Signature Value for ReadbackProduce ISC File Tmv Specify Test Vector File 316 NetGen NetGen Overview NetGen 1NetGen Output File Types Input Design File NetGen Simulation Flow NetGen Functional Simulation FlowNetGen Supported Flows NetGen Simulation Flow NetGen Timing Simulation Flow Syntax for NetGen Functional SimulationOutput files for NetGen Functional Simulation Ngcbuildoptions toplevelnetlistfile outputngcfile Syntax for NetGen Timing Simulation Fpga Timing SimulationNetGen Timing Simulation Flow Output files for Fpga Timing Simulation Cpld Timing SimulationInput files for Cpld Timing Simulation Output files for Cpld Timing Simulation Options for NetGen Simulation Flow Insertppbuffers Insert Path Pulse Buffers Mhf Multiple Hierarchical FilesModule Simulation of Active Module Ofmt Output Format Pcf PCF FileChange Speed Sim Generate Simulation Netlist Ti Top Instance Name Tm Top Module NameTp Bring Out Global 3-State Net as Port Insertglbl Insert glbl.v Module Ne No Name Escaping Pf Generate PIN FileSdfanno Include $sdfannotate Sdfpath Full Path to SDF File VHDL-Specific Options for Functional and Timing Simulation NetGen Equivalence Checking Flow Xon Select Output Behavior for Timing ViolationsNetGen Equivalence Checking Flow Xon truefalse Syntax for NetGen Equivalence Checking Input files for NetGen Equivalence Checking Output files for NetGen Equivalence Checking Options for NetGen Equivalence Checking FlowEcn Equivalence Checking Module Verification of Active Module NetGen Static Timing Analysis Flow Ngm Design Correlation FileNetGen Static Timing Analysis Flow Input files for Static Timing Analysis Output files for Static Timing AnalysisSyntax for NetGen Static Timing Analysis Options for NetGen Static Timing Analysis Flow 336 Preserving and Writing Hierarchy Files Sta Generate Static Timing Analysis NetlistPreserving and Writing Hierarchy Files Modulename .sim Modulename .ecn Modulename .sta Dedicated Global Signals in Back-Annotation Simulation Testbench FileHierarchy Information File Global Signals in Verilog Netlist Global Signals in Vhdl NetlistDedicated Global Signals in Back-Annotation Simulation 340 Xflow Xflow Overview Xflow Syntax 1XFLOW Design Flow Xflow Input Files Xflow Input Files Xflow Output Files Xflow Output Files 1XFLOW Output Files FPGAs and CPLDs 2XFLOW Output Files FPGAs Assemble Module Assembly Xflow Flow TypesXflow Flow Types 3XFLOW Output Files CPLDs Config Create a BIT File for FPGAs ConfigoptionfileEcn Create a File for Equivalence Checking 4Option Files for -assemble Flow Type Description Fit Fit a Cpld Fsim Create a File for Functional Simulation5Option Files for -ecn Flow Type Description 6Option Files for -fit Flow Type Description Implement Implement an Fpga 7Option Files for -fsim Flow TypeXflow -p xc2v250fg256-5 -fsim genericverilog.opt testclk.v Implement optionfile Initial Initial Budgeting of Modular Design Xflow Flow Types 8Option Files for -implement Flow TypeInitial budget.opt Xflow -p xc2v250fg256-5 -initial budget.opt top.edf Module Active Module Implementation Moduleoptionfile -activemodulename9Option Files for -module Flow Type Mppr Multi-Pass Place and Route for FPGAs Sta Create a File for Static Timing Analysis10Option Files for -mppr Flow Type Description 11Option Files for -sta Flow Type Description Synth Synthesis TypesSynthoptionfile Tsim Create a File for Timing Simulation Option Files for -synth Flow Types12Option Files for -synth Flow Type Description Testclk.prj Flow Files 13Option Files for -tsim Flow Type Description Flow File Format Fpga Flag Enabled Disabled TriggersExports Reports User Command Blocks End Program programname Xflow Option Files Option File Format Xflow Options Active Active ModuleEd Copy Files to Export Directory Specify a Global Variable Norun Creates a Script File Only Change Output File NameOoutputfilename Xflow -implement balanced.opt -o newname testclk.edf Pd PIMs Directory Rd Copy Report FilesPdpimdirectory Rdreportdirectory Using Xflow Flow Types in Combination Running XflowWd Specify a Working Directory Running Smart Flow Using the SCR, BAT, or TCL File Using the Xilxflowpath Environment VariableRunning Xflow 366 Data2MEM Data2MEM Overview Data2MEM Syntax Data2MEM Input and Output FilesBlock RAM Memory Map .bmm files Executable and Linkable Format .elf files Debugging Information Format Dwarf .drf files Memory .mem filesBit .bit files Verilog .v files 1Data2MEM Command Line Options Description Data2MEM OptionsVhdl .vhd files UCF .ucf files Data2MEM Options 1Data2MEM Command Line Options Pp filename Xilinx Development System Files Name Type Produced By Description Appendix MOD Ascii Trace NKY TCL Ascii 378 EDIF2NGD, and NGDBuild EDIF2NGD EDIF2NGD Design Flow EDIF2NGD Syntax EDIF2NGD Input FilesEDIF2NGD Output Files Edif2ngd options ediffile ngofile Add PADs to Top-Level Port Signals EDIF2NGD OptionsAul Allow Unmatched LOCs Libraries to Search Part NumberIgnore LOC Constraints Llibname NGDBuild NGDBuild and the Netlist Readers NGDBuild Netlist Launcher Netlister Bus MatchingBus Naming Conventions Busnameindex DI3 Netlist Launcher Netlister Netlist Launcher Rules Files User Rules FileUser Rules and System Rules User Rules Format Development System Reference Guide 389 System Rules File Value Types in Key Statements Rules File Examples Example 1 Edfrule System Rule Example 2 User Rule Example 3 User Rule NGDBuild File Names and Locations Example 4 User RuleNGDBuild File Names and Locations 394 Glossary Abel Asic Bitstream BlockBonded Boundary scan Buft CAE CLB Cmos Configuration ContentionCombinatorial logic Compiler Cpld Daisy chainDangling bus Dangling net DRC DSP EDA Edif Eprom FdsdFifo Fmap Fpga Global Set/Reset net Gate arrayGlobal buffers Global 3-state net HDL Ibuf Ieee IFD Jedec LSB MSB NCD NGM PAL PIM PLD Prom RAM ROM RPMRTL SDF standard delay format Set/resetSignal Startup symbol TCL Trace Tsim TTL Wire VhdlVital Xtclsh 422

Chapter 7: MAP

Guided Mapping

First MAP Run

Second MAP Run

Figure 7-3:Guided Mapping

Development System Reference Guide

8.2i specifications