a8255.fit.rpt

8255的vhdl代码

; Maximum processors allowed for parallel compilation                   ; 1                              ; 1                              ;
; Use TimeQuest Timing Analyzer                                         ; Off                            ; Off                            ;
; Router Timing Optimization Level                                      ; Normal                         ; Normal                         ;
; Placement Effort Multiplier                                           ; 1.0                            ; 1.0                            ;
; Router Effort Multiplier                                              ; 1.0                            ; 1.0                            ;
; Always Enable Input Buffers                                           ; Off                            ; Off                            ;
; Optimize Hold Timing                                                  ; IO Paths and Minimum TPD Paths ; IO Paths and Minimum TPD Paths ;
; Optimize Fast-Corner Timing                                           ; Off                            ; Off                            ;
; Equivalent RAM and MLAB Paused Read Capabilities                      ; Care                           ; Care                           ;
; PowerPlay Power Optimization                                          ; Normal compilation             ; Normal compilation             ;
; Optimize Timing                                                       ; Normal Compilation             ; Normal compilation             ;
; Optimize IOC Register Placement for Timing                            ; On                             ; On                             ;
; Limit to One Fitting Attempt                                          ; Off                            ; Off                            ;
; Final Placement Optimizations                                         ; Automatically                  ; Automatically                  ;
; Fitter Aggressive Routability Optimizations                           ; Automatically                  ; Automatically                  ;
; Fitter Initial Placement Seed                                         ; 1                              ; 1                              ;
; PCI I/O                                                               ; Off                            ; Off                            ;
; Weak Pull-Up Resistor                                                 ; Off                            ; Off                            ;
; Enable Bus-Hold Circuitry                                             ; Off                            ; Off                            ;
; Auto Global Memory Control Signals                                    ; Off                            ; Off                            ;
; Auto Packed Registers -- Stratix II/II GX/III Cyclone II/III Arria GX ; Auto                           ; Auto                           ;
; Auto Delay Chains                                                     ; On                             ; On                             ;
; Auto Merge PLLs                                                       ; On                             ; On                             ;
; Ignore PLL Mode When Merging PLLs                                     ; Off                            ; Off                            ;
; Perform Physical Synthesis for Combinational Logic for Fitting        ; Off                            ; Off                            ;
; Perform Physical Synthesis for Combinational Logic for Performance    ; Off                            ; Off                            ;
; Perform Register Duplication for Performance                          ; Off                            ; Off                            ;
; Perform Logic to Memory Mapping for Fitting                           ; Off                            ; Off                            ;
; Perform Register Retiming for Performance                             ; Off                            ; Off                            ;
; Perform Asynchronous Signal Pipelining                                ; Off                            ; Off                            ;
; Physical Synthesis Effort Level                                       ; Normal                         ; Normal                         ;
; Auto Global Clock                                                     ; On                             ; On                             ;
; Auto Global Register Control Signals                                  ; On                             ; On                             ;
; Stop After Congestion Map Generation                                  ; Off                            ; Off                            ;
; Save Intermediate Fitting Results                                     ; Off                            ; Off                            ;
+-----------------------------------------------------------------------+--------------------------------+--------------------------------+


+--------------+
; Pin-Out File ;
+--------------+
The pin-out file can be found in E:/Study/A8255/A8255.pin.


+-------------------------------------------------------------------+
; Fitter Resource Usage Summary                                     ;
+---------------------------------------------+---------------------+
; Resource                                    ; Usage               ;
+---------------------------------------------+---------------------+
; Total logic elements                        ; 146 / 4,608 ( 3 % ) ;
;     -- Combinational with no register       ; 92                  ;
;     -- Register only                        ; 24                  ;
;     -- Combinational with a register        ; 30                  ;
;                                             ;                     ;
; Logic element usage by number of LUT inputs ;                     ;
;     -- 4 input functions                    ; 78                  ;
;     -- 3 input functions                    ; 27                  ;
;     -- <=2 input functions                  ; 17                  ;
;     -- Register only                        ; 24                  ;
;                                             ;                     ;
; Logic elements by mode                      ;                     ;
;     -- normal mode                          ; 122                 ;
;     -- arithmetic mode                      ; 0                   ;
;                                             ;                     ;
; Total registers*                            ; 54 / 5,010 ( 1 % )  ;
;     -- Dedicated logic registers            ; 54 / 4,608 ( 1 % )  ;
;     -- I/O registers                        ; 0 / 402 ( 0 % )     ;
;                                             ;                     ;
; Total LABs:  partially or completely used   ; 10 / 288 ( 3 % )    ;
; User inserted logic elements                ; 0                   ;
; Virtual pins                                ; 0                   ;
; I/O pins                                    ; 81 / 142 ( 57 % )   ;
;     -- Clock pins                           ; 2 / 4 ( 50 % )      ;
; Global signals                              ; 2                   ;
; M4Ks                                        ; 0 / 26 ( 0 % )      ;
; Total memory bits                           ; 0 / 119,808 ( 0 % ) ;
; Total RAM block bits                        ; 0 / 119,808 ( 0 % ) ;
; Embedded Multiplier 9-bit elements          ; 0 / 26 ( 0 % )      ;
; PLLs                                        ; 0 / 2 ( 0 % )       ;
; Global clocks                               ; 2 / 8 ( 25 % )      ;
; Average interconnect usage                  ; 1%                  ;
; Peak interconnect usage                     ; 1%                  ;
; Maximum fan-out node                        ; RESET~clkctrl       ;
; Maximum fan-out                             ; 54                  ;
; Highest non-global fan-out signal           ; A[0]                ;
; Highest non-global fan-out                  ; 29                  ;
; Total fan-out                               ; 688                 ;
; Average fan-out                             ; 2.47                ;
+---------------------------------------------+---------------------+