mvbif.syr

MVBC VHDL代码．．实现多功能车辆总线的通信

Release 6.1i - xst G.23
Copyright (c) 1995-2003 Xilinx, Inc.  All rights reserved.
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--> Parameter xsthdpdir set to ./xst
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--> Reading design: mvbif.prj

TABLE OF CONTENTS
  1) Synthesis Options Summary
  2) HDL Compilation
  3) HDL Analysis
  4) HDL Synthesis
     4.1) HDL Synthesis Report
  5) Advanced HDL Synthesis
  6) Low Level Synthesis
  7) Final Report
     7.1) Device utilization summary
     7.2) TIMING REPORT


=========================================================================
*                      Synthesis Options Summary                        *
=========================================================================
---- Source Parameters
Input File Name                    : mvbif.prj
Input Format                       : mixed
Ignore Synthesis Constraint File   : NO
Verilog Include Directory          : 

---- Target Parameters
Output File Name                   : mvbif
Output Format                      : NGC
Target Device                      : xc2s300e-6-pq208

---- Source Options
Top Module Name                    : mvbif
Automatic FSM Extraction           : YES
FSM Encoding Algorithm             : Auto
FSM Style                          : lut
RAM Extraction                     : Yes
RAM Style                          : Auto
ROM Extraction                     : Yes
ROM Style                          : Auto
Mux Extraction                     : YES
Mux Style                          : Auto
Decoder Extraction                 : YES
Priority Encoder Extraction        : YES
Shift Register Extraction          : YES
Logical Shifter Extraction         : YES
XOR Collapsing                     : YES
Resource Sharing                   : YES
Multiplier Style                   : lut
Automatic Register Balancing       : No

---- Target Options
Add IO Buffers                     : YES
Global Maximum Fanout              : 100
Add Generic Clock Buffer(BUFG)     : 4
Register Duplication               : YES
Equivalent register Removal        : YES
Slice Packing                      : YES
Pack IO Registers into IOBs        : auto

---- General Options
Optimization Goal                  : Speed
Optimization Effort                : 1
Keep Hierarchy                     : NO
Global Optimization                : AllClockNets
RTL Output                         : Yes
Write Timing Constraints           : NO
Hierarchy Separator                : _
Bus Delimiter                      : <>
Case Specifier                     : maintain
Slice Utilization Ratio            : 100
Slice Utilization Ratio Delta      : 5

---- Other Options
lso                                : mvbif.lso
Read Cores                         : YES
cross_clock_analysis               : NO
verilog2001                        : YES
Optimize Instantiated Primitives   : NO

=========================================================================

WARNING:Xst:1885 - LSO file is empty, default list of libraries is used

=========================================================================
*                          HDL Compilation                              *
=========================================================================
Compiling source file "mvbif.v"
Module <mvbif> compiled
No errors in compilation
Analysis of file <mvbif.prj> succeeded.
 

=========================================================================
*                            HDL Analysis                               *
=========================================================================
Analyzing top module <mvbif>.
Module <mvbif> is correct for synthesis.
 

=========================================================================
*                           HDL Synthesis                               *
=========================================================================

Synthesizing Unit <mvbif>.
    Related source file is mvbif.v.
WARNING:Xst:647 - Input <rdy2mvbc_n> is never used.
    Found 24-bit register for signal <addr_mvbc>.
    Found 1-bit register for signal <wr_mvbc_n>.
    Found 1-bit register for signal <rdy2cpu_n>.
    Found 1-bit register for signal <rd_mvbc_n>.
    Found 1-bit register for signal <cs_mvbc_n>.
    Found 2-bit up counter for signal <counter>.
    Found 1-bit register for signal <Delay>.
    Summary:
	inferred   1 Counter(s).
	inferred  29 D-type flip-flop(s).
Unit <mvbif> synthesized.


=========================================================================
HDL Synthesis Report

Macro Statistics
# Registers                        : 6
  1-bit register                   : 5
  24-bit register                  : 1
# Counters                         : 1
  2-bit up counter                 : 1

=========================================================================

=========================================================================
*                       Advanced HDL Synthesis                          *
=========================================================================


=========================================================================
*                         Low Level Synthesis                           *
=========================================================================

Optimizing unit <mvbif> ...
Loading device for application Xst from file '2s300e.nph' in environment C:/Xilinx.

Mapping all equations...
Building and optimizing final netlist ...
Found area constraint ratio of 100 (+ 5) on block mvbif, actual ratio is 0.

=========================================================================
*                            Final Report                               *
=========================================================================
Final Results
RTL Top Level Output File Name     : mvbif.ngr
Top Level Output File Name         : mvbif
Output Format                      : NGC
Optimization Goal                  : Speed
Keep Hierarchy                     : NO

Design Statistics
# IOs                              : 72

Macro Statistics :
# Registers                        : 5
#      1-bit register              : 4
#      24-bit register             : 1

Cell Usage :
# BELS                             : 5
#      GND                         : 1
#      LUT2                        : 2
#      LUT4                        : 2
# FlipFlops/Latches                : 28
#      FD                          : 27
#      FDS                         : 1
# Clock Buffers                    : 1
#      BUFGP                       : 1
# IO Buffers                       : 70
#      IBUF                        : 37
#      OBUF                        : 33
=========================================================================

Device utilization summary:
---------------------------

Selected Device : 2s300epq208-6 

 Number of Slices:                      17  out of   3072     0%  
 Number of Slice Flip Flops:            28  out of   6144     0%  
 Number of 4 input LUTs:                 4  out of   6144     0%  
 Number of bonded IOBs:                 70  out of    146    47%  
 Number of GCLKs:                        1  out of      4    25%  


=========================================================================
TIMING REPORT

NOTE: 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  |
-----------------------------------+------------------------+-------+
clk                                | BUFGP                  | 28    |
-----------------------------------+------------------------+-------+

Timing Summary:
---------------
Speed Grade: -6

   Minimum period: No path found
   Minimum input arrival time before clock: 4.082ns
   Maximum output required time after clock: 6.514ns
   Maximum combinational path delay: 9.495ns

Timing Detail:
--------------
All values displayed in nanoseconds (ns)

-------------------------------------------------------------------------
Timing constraint: Default OFFSET IN BEFORE for Clock 'clk'
Offset:              4.082ns (Levels of Logic = 2)
  Source:            cs_cpu_n (PAD)
  Destination:       rdy2cpu_n (FF)
  Destination Clock: clk rising

  Data Path: cs_cpu_n to rdy2cpu_n
                                Gate     Net
    Cell:in->out      fanout   Delay   Delay  Logical Name (Net Name)
    ----------------------------------------  ------------
     IBUF:I->O             3   0.797   1.320  cs_cpu_n_IBUF (cs_cpu_n_IBUF)
     LUT2:I0->O            1   0.468   0.920  _n00001 (_n0000)
     FDS:S                     0.577          rdy2cpu_n
    ----------------------------------------
    Total                      4.082ns (1.842ns logic, 2.240ns route)
                                       (45.1% logic, 54.9% route)

-------------------------------------------------------------------------
Timing constraint: Default OFFSET OUT AFTER for Clock 'clk'
Offset:              6.514ns (Levels of Logic = 1)
  Source:            wr_mvbc_n (FF)
  Destination:       wr_mvbc_n (PAD)
  Source Clock:      clk rising

  Data Path: wr_mvbc_n to wr_mvbc_n
                                Gate     Net
    Cell:in->out      fanout   Delay   Delay  Logical Name (Net Name)
    ----------------------------------------  ------------
     FD:C->Q               1   0.992   0.920  wr_mvbc_n (wr_mvbc_n_OBUF)
     OBUF:I->O                 4.602          wr_mvbc_n_OBUF (wr_mvbc_n)
    ----------------------------------------
    Total                      6.514ns (5.594ns logic, 0.920ns route)
                                       (85.9% logic, 14.1% route)

-------------------------------------------------------------------------
Timing constraint: Default path analysis
Delay:               9.495ns (Levels of Logic = 4)
  Source:            cs_cpu_n (PAD)
  Destination:       SPARE0 (PAD)

  Data Path: cs_cpu_n to SPARE0
                                Gate     Net
    Cell:in->out      fanout   Delay   Delay  Logical Name (Net Name)
    ----------------------------------------  ------------
     IBUF:I->O             3   0.797   1.320  cs_cpu_n_IBUF (cs_cpu_n_IBUF)
     LUT4:I3->O            1   0.468   0.920  SPARE09 (CHOICE19)
     LUT2:I1->O            1   0.468   0.920  SPARE010 (SPARE0_OBUF)
     OBUF:I->O                 4.602          SPARE0_OBUF (SPARE0)
    ----------------------------------------
    Total                      9.495ns (6.335ns logic, 3.160ns route)
                                       (66.7% logic, 33.3% route)

=========================================================================
CPU : 3.89 / 5.55 s | Elapsed : 4.00 / 6.00 s
 
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Total memory usage is 61228 kilobytes