240t.tan.rpt

很好的一个东西,希望能对大家有所帮助.关于PWM的编程.

Classic Timing Analyzer report for 240t
Wed Apr 09 08:20:34 2008
Quartus II Version 7.2 Build 151 09/26/2007 SJ Full Version


---------------------
; Table of Contents ;
---------------------
  1. Legal Notice
  2. Timing Analyzer Settings
  3. Timing Analyzer Messages



----------------
; Legal Notice ;
----------------
Copyright (C) 1991-2007 Altera Corporation
Your use of Altera Corporation's design tools, logic functions 
and other software and tools, and its AMPP partner logic 
functions, and any output files from any of the foregoing 
(including device programming or simulation files), and any 
associated documentation or information are expressly subject 
to the terms and conditions of the Altera Program License 
Subscription Agreement, Altera MegaCore Function License 
Agreement, or other applicable license agreement, including, 
without limitation, that your use is for the sole purpose of 
programming logic devices manufactured by Altera and sold by 
Altera or its authorized distributors.  Please refer to the 
applicable agreement for further details.



+---------------------------------------------------------------------------------------------------------------+
; Timing Analyzer Settings                                                                                      ;
+----------------------------------------------------------------+--------------------+------+----+-------------+
; Option                                                         ; Setting            ; From ; To ; Entity Name ;
+----------------------------------------------------------------+--------------------+------+----+-------------+
; Device Name                                                    ; EPM2210GF324C3     ;      ;    ;             ;
; Timing Models                                                  ; Final              ;      ;    ;             ;
; Default hold multicycle                                        ; Same as Multicycle ;      ;    ;             ;
; Cut paths between unrelated clock domains                      ; On                 ;      ;    ;             ;
; Cut off read during write signal paths                         ; On                 ;      ;    ;             ;
; Cut off feedback from I/O pins                                 ; On                 ;      ;    ;             ;
; Report Combined Fast/Slow Timing                               ; Off                ;      ;    ;             ;
; Ignore Clock Settings                                          ; Off                ;      ;    ;             ;
; Analyze latches as synchronous elements                        ; On                 ;      ;    ;             ;
; Enable Recovery/Removal analysis                               ; Off                ;      ;    ;             ;
; Enable Clock Latency                                           ; Off                ;      ;    ;             ;
; Use TimeQuest Timing Analyzer                                  ; Off                ;      ;    ;             ;
; Minimum Core Junction Temperature                              ; 0                  ;      ;    ;             ;
; Maximum Core Junction Temperature                              ; 85                 ;      ;    ;             ;
; Number of source nodes to report per destination node          ; 10                 ;      ;    ;             ;
; Number of destination nodes to report                          ; 10                 ;      ;    ;             ;
; Number of paths to report                                      ; 200                ;      ;    ;             ;
; Report Minimum Timing Checks                                   ; Off                ;      ;    ;             ;
; Use Fast Timing Models                                         ; Off                ;      ;    ;             ;
; Report IO Paths Separately                                     ; Off                ;      ;    ;             ;
; Perform Multicorner Analysis                                   ; Off                ;      ;    ;             ;
; Reports the worst-case path for each clock domain and analysis ; Off                ;      ;    ;             ;
+----------------------------------------------------------------+--------------------+------+----+-------------+


+--------------------------+
; Timing Analyzer Messages ;
+--------------------------+
Info: *******************************************************************
Info: Running Quartus II Classic Timing Analyzer
    Info: Version 7.2 Build 151 09/26/2007 SJ Full Version
    Info: Processing started: Wed Apr 09 08:20:34 2008
Info: Command: quartus_tan --read_settings_files=off --write_settings_files=off 240t -c 240t
Info: Started post-fitting delay annotation
Info: Delay annotation completed successfully
Warning: Found 2 node(s) in clock paths which may be acting as ripple and/or gated clocks -- node(s) analyzed as buffer(s) resulting in clock skew
    Info: Detected ripple clock "lpm_dff0:inst7|lpm_ff:lpm_ff_component|dffs[0]" as buffer
    Info: Detected ripple clock "civ:inst6|cnt[10]" as buffer
Warning: No paths found for timing analysis
Info: Quartus II Classic Timing Analyzer was successful. 0 errors, 2 warnings
    Info: Allocated 113 megabytes of memory during processing
    Info: Processing ended: Wed Apr 09 08:20:34 2008
    Info: Elapsed time: 00:00:00