INTEL Logic Optimizing Compiler Utilization Report                 DOWNCNT8.rpt
FIT Release [ 4.0 ] SID [ 268 ]


***** Design implemented successfully


******************************* ERROR REPORT *******************************


WARNING E7200-FITENGN: 6 Unused Input(s). They use a pin, but do not feed anything.
SIGNALS: UNUSED0, UNUSED1, UNUSED2, UNUSED3, UNUSED4, UNUSED5


****************************** PART DESCRIPTION ******************************


         1             7
         1      1      5
         _______________
     12 |       o       | 74
        |               |
        |               |
        |               |
        |               |
        |               |
        |               |
     32 |_______________| 54
         3             5
         3             3
            EPX780LC84

*** CMOS Device:  Ground unused inputs and I/Os ***
     VCC   = VCC power (3 or 5 volt)             
     VCCoX = VCC power for CFB I/Os
     GND   = Connect to GND plane                 
     VPP   = Connect to VPP signal, VCC, or leave unconnected.
             Do NOT connect to GND.
     gnd   = an unused input or I/O pin.  Ensure termination

 V - represents signal voltage          O - represents an Open Drain output

PIN SIGNAL      V O PIN SIGNAL      V O PIN SIGNAL      V O PIN SIGNAL      V O 

1   gnd            |22  gnd            |43  Q1             |64  gnd            |
2   VCCo1          |23  GND            |44  VCCo6          |65  GND            |
3   (CLK1)         |24  VCCo2          |45  (CLK2)         |66  VCCo5          |
4   (VPP)          |25  VCCo0/4        |46  GND            |67  VCCo3/7        |
5   Q0             |26  VCC            |47  CLOCK          |68  VCC            |
6   Q3             |27  gnd            |48  UNUSED0        |69  gnd            |
7   gnd            |28  gnd            |49  UNUSED1        |70  gnd            |
8   gnd            |29  GND            |50  UNUSED2        |71  GND            |
9   gnd            |30  gnd            |51  UNUSED3        |72  gnd            |
10  (TDO)          |31  gnd            |52  (TMS)          |73  gnd            |
11  (TDI)          |32  gnd            |53  (TCK)          |74  gnd            |
12  gnd            |33  gnd            |54  gnd            |75  gnd            |
13  gnd            |34  S0             |55  gnd            |76  gnd            |
14  gnd            |35  S1             |56  gnd            |77  UNUSED4        |
15  gnd            |36  S2             |57  gnd            |78  UNUSED5        |
16  gnd            |37  S3             |58  gnd            |79  gnd            |
17  GND            |38  GND            |59  GND            |80  GND            |
18  gnd            |39  S4             |60  gnd            |81  gnd            |
19  gnd            |40  S5             |61  gnd            |82  gnd            |
20  gnd            |41  S6             |62  gnd            |83  gnd            |
21  gnd            |42  Q2             |63  gnd            |84  gnd            |


****************************** PIN ASSIGNMENTS ******************************

**OUTPUTS**

Signal       Pin   V   D  Type   PTerms  [nu,up,lo,nl]  Blk  MCell

Q0           5            D      1       [ 0, 1, 0, 0]    0  0    
Q1           43           D      1       [ 0, 1, 0, 0]    6  0    
Q2           42           D      1       [ 0, 1, 0, 0]    6  1    
Q3           6            D      1       [ 0, 1, 0, 0]    0  3    
S6           41           C      4       [ 0, 1, 0, 1]    6  2    
S5           40           C      4       [ 0, 1, 0, 1]    6  3    
S4           39           C      4       [ 0, 1, 0, 1]    6  4    
S3           37           C      3       [ 0, 1, 0, 1]    6  5    
S2           36           C      3       [ 0, 1, 0, 1]    6  6    
S1           35           C      3       [ 0, 1, 0, 1]    6  7    
S0           34           C      4       [ 0, 1, 0, 1]    6  8    


**INPUTS**

Signal         Pin  V  Level Blk

CLOCK          47               
UNUSED0        48               
UNUSED1        49               
UNUSED2        50               
UNUSED3        51               
UNUSED4        77               
UNUSED5        78               


**UNUSED RESOURCES**

      Pin  Macrocell                     Pin  Macrocell

        -    IO01                          -    IO02                  
        -    IO04                          7    IO05                  
        -    IO06                          8    IO07                  
        -    IO08                          9    IO09                  
        1    IO10                         84    IO11                  
       83    IO12                         82    IO13                  
       81    IO14                         79    IO15                  
        -    IO16                          -    IO17                  
       76    IO18                         75    IO19                  
       22    IO20                         21    IO21                  
       20    IO22                         19    IO23                  
       18    IO24                         16    IO25                  
       15    IO26                         14    IO27                  
       13    IO28                         12    IO29                  
       69    IO30                          -    IO31                  
        -    IO32                         70    IO33                  
        -    IO34                         72    IO35                  
        -    IO36                         73    IO37                  
        -    IO38                         74    IO39                  
       27    IO40                          -    IO41                  
        -    IO42                         28    IO43                  
        -    IO44                         30    IO45                  
        -    IO46                         31    IO47                  
        -    IO48                         32    IO49                  
       64    IO50                         63    IO51                  
       62    IO52                         61    IO53                  
       60    IO54                         58    IO55                  
       57    IO56                         56    IO57                  
       55    IO58                         54    IO59                  
       33    IO69                          -    IO70                  
        -    IO71                          -    IO72                  
        -    IO73                          -    IO74                  
        -    IO75                          -    IO76                  
        -    IO77                          -    IO78                  
        -    IO79                          3    -       (CLK1      )  
       45    -       (CLK2      )  

       44  : 69  Totals unused


****************************** CFB INFORMATION ******************************



**CFB Descriptions**

 CFB #
 0                   1                   2                   3                  
--------------------------------------------------------------------------------
IO00  Q0           |                   |                   |                   |
IO03  Q3           |                   |                   |                   |
                   |                   |                   |                   |
                   |                   |                   |                   |
                   |                   |                   |                   |
                   |                   |                   |                   |
                   |                   |                   |                   |
                   |                   |                   |                   |
                   |                   |                   |                   |


 CFB #
 4                   5                   6                   7                  
--------------------------------------------------------------------------------
                   |                   |IO62  S6           |                   |
                   |                   |IO63  S5           |                   |
                   |                   |IO64  S4           |                   |
                   |                   |IO65  S3           |                   |
                   |                   |IO66  S2           |                   |
                   |                   |IO67  S1           |                   |
                   |                   |IO68  S0           |                   |
                   |                   |IO60  Q1           |                   |
                   |                   |IO61  Q2           |                   |


**CFB Control Signals**

CFB # 0 Controls
Signal                     Equation
------------               --------
Sync. Clock 1        :  -
Sync. Clock 2        :  -
Async. Clock 1 pterm : Q3.ACLK
Async. Clock 2 pterm : Q0.ACLK


CFB # 6 Controls
Signal                     Equation
------------               --------
Sync. Clock 1        :  -
Sync. Clock 2        :  -
Async. Clock 1 pterm : Q2.ACLK
Async. Clock 2 pterm : Q1.ACLK




**CFB fanins**

         | CFB #
         |  0                1                2                3              
------------------------------------------------------------------------------
%0       | CLOCK.INT      |                |                |                |
%1       | Q0.FB          |                |                |                |
%2       | Q2.FB          |                |                |                |
%3       | Q3.FB          |                |                |                |
%4       |                |                |                |                |
%5       |                |                |                |                |
%6       |                |                |                |                |
%7       |                |                |                |                |
%8       |                |                |                |                |
%9       |                |                |                |                |
%10      |                |                |                |                |
%11      |                |                |                |                |
%12      |                |                |                |                |
%13      |                |                |                |                |
%14      |                |                |                |                |
%15      |                |                |                |                |
%16      |                |                |                |                |
%17      |                |                |                |                |
%18      |                |                |                |                |
%19      |                |                |                |                |
%20      |                |                |                |                |
%21      |                |                |                |                |
%22      |                |                |                |                |
%23      |                |                |                |                |


         | CFB #
         |  4                5                6                7              
------------------------------------------------------------------------------
%0       |                |                | Q3.FB          |                |
%1       |                |                | Q2.FB          |                |
%2       |                |                | Q1.FB          |                |
%3       |                |                | Q0.FB          |                |
%4       |                |                |                |                |
%5       |                |                |                |                |
%6       |                |                |                |                |
%7       |                |                |                |                |
%8       |                |                |                |                |
%9       |                |                |                |                |
%10      |                |                |                |                |
%11      |                |                |                |                |
%12      |                |                |                |                |
%13      |                |                |                |                |
%14      |                |                |                |                |
%15      |                |                |                |                |
%16      |                |                |                |                |
%17      |                |                |                |                |
%18      |                |                |                |                |
%19      |                |                |                |                |
%20      |                |                |                |                |
%21      |                |                |                |                |
%22      |                |                |                |                |
%23      |                |                |                |                |

***************************** DESIGN STATISTICS *****************************

    Inputs ...........  7
    Outputs .......... 11
    Active Pins (in+out) .... 18

           Combinatorial....  7
           D flip-flops ....  4
           T flip-flops ....  0
         J/K (emulation) ...  0
    Total Macrocells ............ 11         Buried Macrocells ...  0
    (includes SRAM Macrocells ... 0 )

    Largest Product Term ...  4
    Macrocell Product Terms (1-16): 4, 0, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
    Total Product Terms >16       : 0

INTEL Logic Optimizing Compiler Utilization Report                 DOWNCNT8.rpt
FIT Release [ 4.0 ] SID [ 268 ]

;---------------------------------------------------------
; A 8-BIT DOWN COUNTER BUILT FROM DFF FLIP-FLOPS
;---------------------------------------------------------
TITLE   4-BIT DOWN COUNTER

OPTIONS
    EXPAND = ON
    INVERSION = ON
    DT_SYNTHESIS = ON
    MINIMIZATION = ON
    FITTER_PINS = KEEP
    FITTER_PREV_PINS = ON
    FITTER_ALGORITHM = NORMAL
    SECURITY = OFF


;  ( part was NFX780_84 before conversion ) 
CHIP  DOWNCNT8 EPX780LC84

PIN         47    CLOCK      
PIN    [48:51]    UNUSED[0:3]
PIN    [77:78]    UNUSED[4:5]

PIN          5    Q0         
PIN    [43:42]    Q[1:2]     
PIN          6    Q3         
PIN    [41:39]    S[6:4]     
PIN    [37:34]    S[3:0]     

EQUATIONS

Q0.D := /Q0
Q0.ACLK = CLOCK
Q0.RSTF = GND
Q0.SETF = GND
Q0.TRST = VCC

Q1.D := /Q1
Q1.ACLK = Q0
Q1.RSTF = GND
Q1.SETF = GND
Q1.TRST = VCC

Q2.D := /Q2
Q2.ACLK = Q1
Q2.RSTF = GND
Q2.SETF = GND
Q2.TRST = VCC

Q3.D := /Q3
Q3.ACLK = Q2
Q3.RSTF = GND
Q3.SETF = GND
Q3.TRST = VCC

/S6 = /Q3 * Q2 * /Q1 * /Q0
    + Q3 * /Q2 * Q1 * Q0
    + /Q3 * /Q2 * /Q1 * Q0
    + Q3 * Q2 * /Q1 * Q0
S6.TRST = VCC

/S5 = /Q3 * /Q2 * Q1 * /Q0
    + Q3 * Q2 * /Q1 * Q0
    + /Q3 * /Q2 * Q0
    + /Q3 * Q1 * Q0
S5.TRST = VCC

/S4 = /Q3 * Q2 * /Q1 * Q0
    + Q3 * Q1 * Q0
    + Q3 * Q2 * /Q0
    + Q2 * Q1 * /Q0
S4.TRST = VCC

/S3 = /Q3 * Q2 * Q1 * Q0
    + Q3 * Q2 * /Q1 * /Q0
    + /Q3 * /Q2 * /Q1
S3.TRST = VCC

/S2 = /Q3 * Q2 * /Q1 * /Q0
    + /Q2 * /Q1 * Q0
    + /Q3 * Q0
S2.TRST = VCC

/S1 = /Q3 * /Q2 * Q1 * /Q0
    + Q3 * Q2 * Q1
    + Q3 * Q2 * /Q0
S1.TRST = VCC

/S0 = Q3 * /Q2 * Q1 * /Q0
    + /Q3 * /Q2 * /Q1 * Q0
    + /Q3 * Q2 * /Q1 * /Q0
    + Q2 * Q1 * Q0
S0.TRST = VCC

SIMULATION

    VECTOR OUT := [ Q3 Q2 Q1 Q0 ]
    TRACE_ON CLOCK OUT 
    SETF /CLOCK 
    PRLDF /Q0 /Q1 /Q2 /Q3 
    FOR I := 0 TO 20 DO
        BEGIN
        CLOCKF CLOCK 
        END
