stopwatch.tan.rpt

基于FPGA的多功能数字钟的设计与实现 内附有详尽的Verilog HDL源码

Timing Analyzer report for stopwatch
Wed Jul 12 19:14:06 2006
Version 4.2 Build 157 12/07/2004 SJ Full Version


---------------------
; Table of Contents ;
---------------------
  1. Legal Notice
  2. Timing Analyzer Summary
  3. Timing Analyzer Settings
  4. tpd
  5. Timing Analyzer Messages



----------------
; Legal Notice ;
----------------
Copyright (C) 1991-2004 Altera Corporation
Any  megafunction  design,  and related netlist (encrypted  or  decrypted),
support information,  device programming or simulation file,  and any other
associated  documentation or information  provided by  Altera  or a partner
under  Altera's   Megafunction   Partnership   Program  may  be  used  only
to program  PLD  devices (but not masked  PLD  devices) from  Altera.   Any
other  use  of such  megafunction  design,  netlist,  support  information,
device programming or simulation file,  or any other  related documentation
or information  is prohibited  for  any  other purpose,  including, but not
limited to  modification,  reverse engineering,  de-compiling, or use  with
any other  silicon devices,  unless such use is  explicitly  licensed under
a separate agreement with  Altera  or a megafunction partner.  Title to the
intellectual property,  including patents,  copyrights,  trademarks,  trade
secrets,  or maskworks,  embodied in any such megafunction design, netlist,
support  information,  device programming or simulation file,  or any other
related documentation or information provided by  Altera  or a megafunction
partner, remains with Altera, the megafunction partner, or their respective
licensors. No other licenses, including any licenses needed under any third
party's intellectual property, are provided herein.



+--------------------------------------------------------------------------------------------------------------------------+
; Timing Analyzer Summary                                                                                                  ;
+------------------------------+-------+---------------+-------------+------+-------+------------+----------+--------------+
; Type                         ; Slack ; Required Time ; Actual Time ; From ; To    ; From Clock ; To Clock ; Failed Paths ;
+------------------------------+-------+---------------+-------------+------+-------+------------+----------+--------------+
; Worst-case tpd               ; N/A   ; None          ; 5.000 ns    ; clk1 ; F_out ;            ;          ; 0            ;
; Total number of failed paths ;       ;               ;             ;      ;       ;            ;          ; 0            ;
+------------------------------+-------+---------------+-------------+------+-------+------------+----------+--------------+


+------------------------------------------------------------------------------------------------------+
; Timing Analyzer Settings                                                                             ;
+-------------------------------------------------------+--------------------+------+----+-------------+
; Option                                                ; Setting            ; From ; To ; Entity Name ;
+-------------------------------------------------------+--------------------+------+----+-------------+
; Device Name                                           ; EPM7032SLC44-5     ;      ;    ;             ;
; Timing Models                                         ; Final              ;      ;    ;             ;
; Number of source nodes to report per destination node ; 10                 ;      ;    ;             ;
; Number of destination nodes to report                 ; 10                 ;      ;    ;             ;
; Number of paths to report                             ; 200                ;      ;    ;             ;
; Report Minumum Timing Checks                          ; Off                ;      ;    ;             ;
; Use Fast Timing Models                                ; Off                ;      ;    ;             ;
; Report IO Paths Separately                            ; Off                ;      ;    ;             ;
; Clock Analysis Only                                   ; Off                ;      ;    ;             ;
; Default hold multicycle                               ; Same as Multicycle ;      ;    ;             ;
; Cut paths between unrelated clock domains             ; On                 ;      ;    ;             ;
; Cut off read during write signal paths                ; On                 ;      ;    ;             ;
; Cut off clear and preset signal paths                 ; On                 ;      ;    ;             ;
; Cut off feedback from I/O pins                        ; On                 ;      ;    ;             ;
; Ignore Clock Settings                                 ; Off                ;      ;    ;             ;
; Analyze latches as synchronous elements               ; Off                ;      ;    ;             ;
; Do Min/Max analysis using Rise/Fall delays            ; Off                ;      ;    ;             ;
; Enable Recovery/Removal analysis                      ; Off                ;      ;    ;             ;
; Use Clock Latency for PLL offset                      ; Off                ;      ;    ;             ;
+-------------------------------------------------------+--------------------+------+----+-------------+


+------------------------------------------------------------+
; tpd                                                        ;
+-------+-------------------+-----------------+------+-------+
; Slack ; Required P2P Time ; Actual P2P Time ; From ; To    ;
+-------+-------------------+-----------------+------+-------+
; N/A   ; None              ; 5.000 ns        ; EN   ; F_out ;
; N/A   ; None              ; 5.000 ns        ; clk2 ; F_out ;
; N/A   ; None              ; 5.000 ns        ; clk1 ; F_out ;
+-------+-------------------+-----------------+------+-------+


+--------------------------+
; Timing Analyzer Messages ;
+--------------------------+
Info: *******************************************************************
Info: Running Quartus II Timing Analyzer
    Info: Version 4.2 Build 157 12/07/2004 SJ Full Version
    Info: Processing started: Wed Jul 12 19:14:05 2006
Info: Command: quartus_tan --import_settings_files=off --export_settings_files=off stopwatch -c stopwatch
Info: Started post-fitting delay annotation
Info: Delay annotation completed successfully
Info: Longest tpd from source pin "EN" to destination pin "F_out" is 5.000 ns
    Info: 1: + IC(0.000 ns) + CELL(0.200 ns) = 0.200 ns; Loc. = PIN_25; Fanout = 2; PIN Node = 'EN'
    Info: 2: + IC(1.000 ns) + CELL(3.600 ns) = 4.800 ns; Loc. = LC1; Fanout = 1; COMB Node = 'F_out~9'
    Info: 3: + IC(0.000 ns) + CELL(0.200 ns) = 5.000 ns; Loc. = PIN_4; Fanout = 0; PIN Node = 'F_out'
    Info: Total cell delay = 4.000 ns ( 80.00 % )
    Info: Total interconnect delay = 1.000 ns ( 20.00 % )
Info: Quartus II Timing Analyzer was successful. 0 errors, 0 warnings
    Info: Processing ended: Wed Jul 12 19:14:06 2006
    Info: Elapsed time: 00:00:01