timer.tan.rpt

能够实现小时（24进制）、分钟和秒钟（60进制）的计数功能 具有复位功能 功能扩展：具有整点报时提示、定时闹钟等功能

Classic Timing Analyzer report for timer
Mon Dec 01 18:46:28 2008
Quartus II Version 7.2 Build 175 11/20/2007 Service Pack 1 SJ Full Version


---------------------
; Table of Contents ;
---------------------
  1. Legal Notice
  2. Timing Analyzer Summary
  3. Timing Analyzer Settings
  4. Clock Settings Summary
  5. Clock Setup: 'iclk'
  6. Clock Hold: 'iclk'
  7. tsu
  8. tco
  9. th
 10. 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 Summary                                                                                                                                                                                        ;
+------------------------------+------------------------------------------+---------------+----------------------------------+---------------------+----------------------+------------+----------+--------------+
; Type                         ; Slack                                    ; Required Time ; Actual Time                      ; From                ; To                   ; From Clock ; To Clock ; Failed Paths ;
+------------------------------+------------------------------------------+---------------+----------------------------------+---------------------+----------------------+------------+----------+--------------+
; Worst-case tsu               ; N/A                                      ; None          ; 5.859 ns                         ; iRst                ; DTIMER:U1|\F:fre[7]  ; --         ; iclk     ; 0            ;
; Worst-case tco               ; N/A                                      ; None          ; 13.798 ns                        ; DLED:U2|oLMin[7]    ; oLMin[7]             ; iclk       ; --       ; 0            ;
; Worst-case th                ; N/A                                      ; None          ; -4.934 ns                        ; iRst                ; DTIMER:U1|\F:fre[20] ; --         ; iclk     ; 0            ;
; Clock Setup: 'iclk'          ; N/A                                      ; None          ; 194.70 MHz ( period = 5.136 ns ) ; DTIMER:U1|\F:fre[3] ; DTIMER:U1|\F:hou[0]  ; iclk       ; iclk     ; 0            ;
; Clock Hold: 'iclk'           ; Not operational: Clock Skew > Data Delay ; None          ; N/A                              ; DTIMER:U1|\F:min[0] ; DLED:U2|oLMin[2]     ; iclk       ; iclk     ; 186          ;
; Total number of failed paths ;                                          ;               ;                                  ;                     ;                      ;            ;          ; 186          ;
+------------------------------+------------------------------------------+---------------+----------------------------------+---------------------+----------------------+------------+----------+--------------+


+---------------------------------------------------------------------------------------------------------------+
; Timing Analyzer Settings                                                                                      ;
+----------------------------------------------------------------+--------------------+------+----+-------------+
; Option                                                         ; Setting            ; From ; To ; Entity Name ;
+----------------------------------------------------------------+--------------------+------+----+-------------+
; Device Name                                                    ; EP2C35F672C6       ;      ;    ;             ;
; 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                ;      ;    ;             ;