📄 top.syr
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Release 6.2i - xst G.28Copyright (c) 1995-2004 Xilinx, Inc. All rights reserved.--> Parameter TMPDIR set to __projnavCPU : 0.00 / 0.47 s | Elapsed : 0.00 / 0.00 s --> Parameter xsthdpdir set to ./xstCPU : 0.00 / 0.47 s | Elapsed : 0.00 / 0.00 s --> Reading design: top.prjTABLE OF CONTENTS 1) Synthesis Options Summary 2) HDL Compilation 3) HDL Analysis 4) HDL Synthesis 5) Advanced HDL Synthesis 5.1) HDL Synthesis Report 6) Low Level Synthesis 7) Final Report 7.1) Device utilization summary 7.2) TIMING REPORT=========================================================================* Synthesis Options Summary *=========================================================================---- Source ParametersInput File Name : top.prjInput Format : mixedIgnore Synthesis Constraint File : NOVerilog Include Directory : ---- Target ParametersOutput File Name : topOutput Format : NGCTarget Device : xc3s400-4-pq208---- Source OptionsTop Module Name : topAutomatic FSM Extraction : YESFSM Encoding Algorithm : AutoFSM Style : lutRAM Extraction : YesRAM Style : AutoROM Extraction : YesROM Style : AutoMux Extraction : YESMux Style : AutoDecoder Extraction : YESPriority Encoder Extraction : YESShift Register Extraction : YESLogical Shifter Extraction : YESXOR Collapsing : YESResource Sharing : YESMultiplier Style : autoAutomatic Register Balancing : No---- Target OptionsAdd IO Buffers : YESGlobal Maximum Fanout : 500Add Generic Clock Buffer(BUFG) : 8Register Duplication : YESEquivalent register Removal : YESSlice Packing : YESPack IO Registers into IOBs : auto---- General OptionsOptimization Goal : SpeedOptimization Effort : 1Keep Hierarchy : NOGlobal Optimization : AllClockNetsRTL Output : YesWrite Timing Constraints : NOHierarchy Separator : _Bus Delimiter : <>Case Specifier : maintainSlice Utilization Ratio : 100Slice Utilization Ratio Delta : 5---- Other Optionslso : top.lsoRead Cores : YEScross_clock_analysis : NOverilog2001 : YESOptimize Instantiated Primitives : NO==================================================================================================================================================* HDL Compilation *=========================================================================Compiling vhdl file E:/study/software/FPGA/FPGA+USB/BulkIn/FPGA/Top.vhdl in Library work.Entity <top> (Architecture <behavioral>) compiled.=========================================================================* HDL Analysis *=========================================================================Analyzing Entity <top> (Architecture <behavioral>).INFO:Xst:1739 - HDL ADVISOR - E:/study/software/FPGA/FPGA+USB/BulkIn/FPGA/Top.vhdl line 13: declaration of a buffer port will make it difficult for you to validate this design by simulation. It is preferable to declare it as output.Entity <top> analyzed. Unit <top> generated.=========================================================================* HDL Synthesis *=========================================================================Synthesizing Unit <top>. Related source file is E:/study/software/FPGA/FPGA+USB/BulkIn/FPGA/Top.vhdl.WARNING:Xst:1306 - Output <fifodata> is never assigned. Found 1-bit register for signal <inclk>. Found 1-bit register for signal <inslwr>. Summary: inferred 2 D-type flip-flop(s).Unit <top> synthesized.=========================================================================* Advanced HDL Synthesis *=========================================================================Advanced RAM inference ...Advanced multiplier inference ...Dynamic shift register inference ...=========================================================================HDL Synthesis ReportMacro Statistics# Registers : 2 1-bit register : 2==================================================================================================================================================* Low Level Synthesis *=========================================================================Optimizing unit <top> ...Loading device for application Xst from file '3s400.nph' in environment C:/Program Files/ISE6.2.Mapping all equations...Building and optimizing final netlist ...Found area constraint ratio of 100 (+ 5) on block top, actual ratio is 0.=========================================================================* Final Report *=========================================================================Final ResultsRTL Top Level Output File Name : top.ngrTop Level Output File Name : topOutput Format : NGCOptimization Goal : SpeedKeep Hierarchy : NODesign Statistics# IOs : 14Macro Statistics :# Registers : 2# 1-bit register : 2Cell Usage :# BELS : 4# GND : 1# LUT1 : 1# LUT2 : 1# VCC : 1# FlipFlops/Latches : 2# FDR : 1# FDR_1 : 1# Clock Buffers : 1# BUFGP : 1# IO Buffers : 5# IBUF : 1# OBUF : 4=========================================================================Device utilization summary:---------------------------Selected Device : 3s400pq208-4 Number of Slices: 2 out of 3584 0% Number of Slice Flip Flops: 2 out of 7168 0% Number of 4 input LUTs: 2 out of 7168 0% Number of bonded IOBs: 5 out of 141 3% Number of GCLKs: 1 out of 8 12% =========================================================================TIMING REPORTNOTE: THESE TIMING NUMBERS ARE ONLY A SYNTHESIS ESTIMATE. FOR ACCURATE TIMING INFORMATION PLEASE REFER TO THE TRACE REPORT GENERATED AFTER PLACE-and-ROUTE.Clock Information:-----------------------------------------------------+------------------------+-------+Clock Signal | Clock buffer(FF name) | Load |-----------------------------------+------------------------+-------+inclk:Q | NONE | 1 |clk | BUFGP | 1 |-----------------------------------+------------------------+-------+Timing Summary:---------------Speed Grade: -4 Minimum period: 0.577ns (Maximum Frequency: 1733.102MHz) Minimum input arrival time before clock: 1.121ns Maximum output required time after clock: 6.397ns Maximum combinational path delay: No path foundTiming Detail:--------------All values displayed in nanoseconds (ns)-------------------------------------------------------------------------Timing constraint: Default period analysis for Clock 'clk'Delay: 0.577ns (Levels of Logic = 0) Source: inclk (FF) Destination: inclk (FF) Source Clock: clk rising Destination Clock: clk rising Data Path: inclk to inclk Gate Net Cell:in->out fanout Delay Delay Logical Name (Net Name) ---------------------------------------- ------------ FDR:C->Q 3 0.000 0.577 inclk (inclk) FDR:R 0.000 inclk ---------------------------------------- Total 0.577ns (0.000ns logic, 0.577ns route) (0.0% logic, 100.0% route)-------------------------------------------------------------------------Timing constraint: Default OFFSET IN BEFORE for Clock 'inclk:Q'Offset: 1.121ns (Levels of Logic = 2) Source: full_flag (PAD) Destination: inslwr (FF) Destination Clock: inclk:Q falling Data Path: full_flag to inslwr Gate Net Cell:in->out fanout Delay Delay Logical Name (Net Name) ---------------------------------------- ------------ IBUF:I->O 1 0.641 0.240 full_flag_IBUF (full_flag_IBUF) LUT1:I0->O 1 0.000 0.240 inslwr_Sclr_INV1 (inslwr_N17) FDR_1:R 0.000 inslwr ---------------------------------------- Total 1.121ns (0.641ns logic, 0.480ns route) (57.2% logic, 42.8% route)-------------------------------------------------------------------------Timing constraint: Default OFFSET OUT AFTER for Clock 'clk'Offset: 6.397ns (Levels of Logic = 2) Source: inclk (FF) Destination: slwr (PAD) Source Clock: clk rising Data Path: inclk to slwr Gate Net Cell:in->out fanout Delay Delay Logical Name (Net Name) ---------------------------------------- ------------ FDR:C->Q 3 0.000 0.577 inclk (inclk) LUT2:I0->O 1 0.000 0.240 slwr1 (slwr_OBUF) OBUF:I->O 5.580 slwr_OBUF (slwr) ---------------------------------------- Total 6.397ns (5.580ns logic, 0.817ns route) (87.2% logic, 12.8% route)-------------------------------------------------------------------------Timing constraint: Default OFFSET OUT AFTER for Clock 'inclk:Q'Offset: 6.060ns (Levels of Logic = 2) Source: inslwr (FF) Destination: slwr (PAD) Source Clock: inclk:Q falling Data Path: inslwr to slwr Gate Net Cell:in->out fanout Delay Delay Logical Name (Net Name) ---------------------------------------- ------------ FDR_1:C->Q 1 0.000 0.240 inslwr (inslwr) LUT2:I1->O 1 0.000 0.240 slwr1 (slwr_OBUF) OBUF:I->O 5.580 slwr_OBUF (slwr) ---------------------------------------- Total 6.060ns (5.580ns logic, 0.480ns route) (92.1% logic, 7.9% route)=========================================================================CPU : 5.00 / 5.95 s | Elapsed : 5.00 / 6.00 s --> Total memory usage is 70464 kilobytes
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