simple_fsm.tan.rpt

一些很好的FPGA设计实例

Timing Analyzer report for simple_fsm
Thu May 17 11:55:44 2007
Version 4.1 Build 181 06/29/2004 SJ Full Version


---------------------
; Table of Contents ;
---------------------
  1. Legal Notice
  2. Timing Analyzer Settings
  3. Timing Analyzer Summary
  4. Clock Settings Summary
  5. Clock Setup: 'clk'
  6. tsu
  7. tco
  8. th
  9. Minimum tco
 10. 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 Settings                                                               ;
+-------------------------------------------------------+--------------------+------+----+
; Option                                                ; Setting            ; From ; To ;
+-------------------------------------------------------+--------------------+------+----+
; Device name                                           ; EP1S10F484C5       ;      ;    ;
; Timing Models                                         ; Production         ;      ;    ;
; Number of source nodes to report per destination node ; 10                 ;      ;    ;
; Number of destination nodes to report                 ; 10                 ;      ;    ;
; Number of paths to report                             ; 200                ;      ;    ;
; Run Minimum Analysis                                  ; On                 ;      ;    ;
; Use Minimum 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                ;      ;    ;
+-------------------------------------------------------+--------------------+------+----+


+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
; Timing Analyzer Summary                                                                                                                                            ;
+------------------------------+-------+---------------+------------------------------------------------+----------+----------+------------+----------+--------------+
; Type                         ; Slack ; Required Time ; Actual Time                                    ; From     ; To       ; From Clock ; To Clock ; Failed Paths ;
+------------------------------+-------+---------------+------------------------------------------------+----------+----------+------------+----------+--------------+
; Worst-case tsu               ; N/A   ; None          ; 2.734 ns                                       ; d        ; pr_state ;            ; clk      ; 0            ;
; Worst-case tco               ; N/A   ; None          ; 6.098 ns                                       ; x~reg0   ; x        ; clk        ;          ; 0            ;
; Worst-case th                ; N/A   ; None          ; -2.228 ns                                      ; a        ; x~reg0   ;            ; clk      ; 0            ;
; Worst-case Minimum tco       ; N/A   ; None          ; 6.098 ns                                       ; x~reg0   ; x        ; clk        ;          ; 0            ;
; Clock Setup: 'clk'           ; N/A   ; None          ; Restricted to 422.12 MHz ( period = 2.369 ns ) ; pr_state ; x~reg0   ; clk        ; clk      ; 0            ;
; Total number of failed paths ;       ;               ;                                                ;          ;          ;            ;          ; 0            ;
+------------------------------+-------+---------------+------------------------------------------------+----------+----------+------------+----------+--------------+


+--------------------------------------------------------------------------------------------------------------------------------------+
; Clock Settings Summary                                                                                                               ;
+-----------------+--------------------+----------+------------------+----------+-----------------------+---------------------+--------+
; Clock Node Name ; Clock Setting Name ; Type     ; Fmax Requirement ; Based on ; Multiply Base Fmax by ; Divide Base Fmax by ; Offset ;
+-----------------+--------------------+----------+------------------+----------+-----------------------+---------------------+--------+
; clk             ;                    ; User Pin ; NONE             ; NONE     ; N/A                   ; N/A                 ; N/A    ;
+-----------------+--------------------+----------+------------------+----------+-----------------------+---------------------+--------+


+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
; Clock Setup: 'clk'                                                                                                                                                                       ;
+-------+------------------------------------------------+----------+----------+------------+----------+-----------------------------+---------------------------+-------------------------+
; Slack ; Actual fmax (period)                           ; From     ; To       ; From Clock ; To Clock ; Required Setup Relationship ; Required Longest P2P Time ; Actual Longest P2P Time ;
+-------+------------------------------------------------+----------+----------+------------+----------+-----------------------------+---------------------------+-------------------------+
; N/A   ; Restricted to 422.12 MHz ( period = 2.369 ns ) ; pr_state ; x~reg0   ; clk        ; clk      ; None                        ; None                      ; None                    ;
; N/A   ; Restricted to 422.12 MHz ( period = 2.369 ns ) ; pr_state ; pr_state ; clk        ; clk      ; None                        ; None                      ; None                    ;
+-------+------------------------------------------------+----------+----------+------------+----------+-----------------------------+---------------------------+-------------------------+


+----------------------------------------------------------------+
; tsu                                                            ;
+-------+--------------+------------+------+----------+----------+
; Slack ; Required tsu ; Actual tsu ; From ; To       ; To Clock ;
+-------+--------------+------------+------+----------+----------+
; N/A   ; None         ; 2.734 ns   ; d    ; pr_state ; clk      ;
; N/A   ; None         ; 2.725 ns   ; rst  ; x~reg0   ; clk      ;
; N/A   ; None         ; 2.464 ns   ; b    ; x~reg0   ; clk      ;
; N/A   ; None         ; 2.338 ns   ; a    ; x~reg0   ; clk      ;
+-------+--------------+------------+------+----------+----------+