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OrCAD LOGIC COMPILER  v2.01 N 12/09/94  (Source file .\PLD\#0052.PLD)

  1  || FILE:   #0052.PLD
  2  || PROJ:   20120601        
  3  || PART:   G26CV12-#0052
  4  ||
  5  || DEV :   GAL26CV12
  6  ||
  7  ||         DESC:   DECODER I/O
  8  ||
  9  |
 10  |GAL26CV12
 11  |
 12  || INPUT
 13  |  1:A8, 2:A9, 3:A10, 4:A11, 5:A12, 6:A13, 8:A14, 9:A15, 10:A16, 
 14  | 11:A17, 12:A18, 13:A19, 14:A20, 15:A21, 16:A22, 17:A23, 18:VMA,
 15  | 27:X0E, 28:X1E,
 16  || OUTPUT 
 17  |  19:CS1, 20:CS2, 22:CS3, 23:CX0, 24:CX1, 25:IO0, 26:IO1
 18  |
 19  | ACTIVE-LOW: CS1, CS2, CS3, CX0, CX1, IO0, IO1
 20  |
 21  |
 22  | SIGNATURE: "0052    "
 23  |
 24  || --------------------------------------------------------
 25  || /IO0 -> BANCO 0 - AREA 00FC00 - 00FCFF
 26  || /IO1 -> BANCO 0 - AREA 00FD00 - 00FDFF
 27  || /CX0 -> BANCO 1 - AREA 010000 - 011FFF SE X0E = 1 (8K)
 28  || /CX1 -> BANCO 1 - AREA 012000 - 013FFF SE X1E = 1 (8K)
 29  || /CS1 -> BANCO 2 & 3 - AREA 020000 - 03FFFF (128K)
 30  || /CS2 -> BANCO 4 & 5 - AREA 040000 - 05FFFF (128K)
 31  || /CS3 -> BANCO 6 & 7 - AREA 060000 - 07FFFF (128K)
 32  ||
 33  || --------------------------------------------------------
 34  ||
 35  |  BANK0 = (A23' & A22' & A21' & A20' & A19' & A18' & A17' & A16' & VMA')
 36  |  BANK1 = (A23' & A22' & A21' & A20' & A19' & A18' & A17' & A16  & VMA')
 37  || --------------------------------------------------------
 38  ||
 39  || IOS -> 00FC00 - 00FDFF 
 40  |  IOS = (BANK0 & A15 & A14 & A13 & A12 & A11 & A10 & A9')
 41  || /IO0 -> AREA 00FC00 - 00FCFF
 42  |  IO0 = (IOS & A8')
 43  || /IO1 -> AREA 00FD00 - 00FDFF
 44  |  IO1 = (IOS & A8)
 45  ||
 46  || --------------------------------------------------------
 47  ||
 48  || /CS1 -> BANCO 2 & 3 - AREA 020000 - 03FFFF (128K)
 49  |  CS1 = (A23' & A22' & A21' & A20' & A19' & A18' & A17  & VMA')
 50  || /CS2 -> BANCO 4 & 5 - AREA 040000 - 05FFFF (128K)
 51  |  CS2 = (A23' & A22' & A21' & A20' & A19' & A18  & A17' & VMA')
 52  || /CS3 -> BANCO 6 & 7 - AREA 060000 - 07FFFF (128K)
 53  |  CS3 = (A23' & A22' & A21' & A20' & A19' & A18  & A17  & VMA')
 54  ||
 55  || --------------------------------------------------------


 56  ||
 57  || /CX0 -> BANCO 1 - AREA 010000 - 011FFF SE X0E = 1 (8K)
 58  |  CX0 = (BANK1 & X0E & A15' & A14' & A13')
 59  || /CX1 -> BANCO 1 - AREA 012000 - 013FFF SE X1E = 1 (8K)
 60  |  CX1 = (BANK1 & X1E & A15' & A14' & A13)



I200  No fatal errors found in source code (logic phase).
I201  No warnings.


I202  7/24/12  10:44 am  (Tuesday)
I203  Memory usage 89K
I204  Elapsed time 1 second

OrCAD DEVICE FITTER  v2.01   12/09/94  (Source file .\PLD\#0052.PLA)




RESOLVED EXPRESSIONS (Reduction 0)

Signal name      Row   Terms

IO0               20   A8' A9' A10  A11  A12  A13  A14  A15  A16' A17' A18' 
                       A19' A20' A21' A22' A23' VMA' 

IO1               11   A8  A9' A10  A11  A12  A13  A14  A15  A16' A17' A18' 
                       A19' A20' A21' A22' A23' VMA' 

CS1               75   A17  A18' A19' A20' A21' A22' A23' VMA' 

CS2               62   A17' A18  A19' A20' A21' A22' A23' VMA' 

CS3               49   A17  A18  A19' A20' A21' A22' A23' VMA' 

CX0               38   A13' A14' A15' A16  A17' A18' A19' A20' A21' A22' A23' 
                       VMA' X0E  

CX1               29   A13  A14' A15' A16  A17' A18' A19' A20' A21' A22' A23' 
                       VMA' X1E  




SIGNAL ASSIGNMENT
                                      Rows
 Pin    Signal name   Column     --------------    Activity
                                 Beg Avail Used

  1.     A8              0        -    -    -        High    (Clock)
  2.     A9              4        -    -    -        High     
  3.     A10             8        -    -    -        High     
  4.     A11            12        -    -    -        High     
  5.     A12            16        -    -    -        High     
  6.     A13            20        -    -    -        High     
  8.     A14            24        -    -    -        High     
  9.     A15            28        -    -    -        High     
 10.     A16            32        -    -    -        High     
 11.     A17            36        -    -    -        High     
 12.     A18            40        -    -    -        High     
 13.     A19            44        -    -    -        High     
 14.     A20            48        -    -    -        High     
 15.     A21            50      112    9    0        High    (Registered)
 16.     A22            46      103    9    0        High    (Registered)
 17.     A23            42       94    9    0        High    (Registered)
 18.     VMA            38       85    9    0        High    (Registered)
 19.     CS1            35       74   11    1        Low     (Three-state)
 20.     CS2            31       61   13    1        Low     (Three-state)
 22.     CS3            27       48   13    1        Low     (Three-state)
 23.     CX0            23       37   11    1        Low     (Three-state)
 24.     CX1            19       28    9    1        Low     (Three-state)
 25.     IO0            15       19    9    1        Low     (Three-state)
 26.     IO1            11       10    9    1        Low     (Three-state)
 27.     X0E             6        1    9    0        High    (Registered)
 28.     X1E             2        -    -    -        High     
 29.     -               -        0    1    0                 
 30.     -               -      121    1    0                 
                                    ---- ----
                                     122    7  (6%)


I200  No fatal errors found in source code (device phase).
I201  No warnings.



OrCAD DEVICE
Type:       GAL26CV12
*
QP28* QF6432* QV1024*
F0*
L0520 1111111111111111111111111111111111111111111111111111*
L0572 0111101101110111011101110111011110111010101010101010*
L0988 1111111111111111111111111111111111111111111111111111*
L1040 1011101101110111011101110111011110111010101010101010*
L1456 1111111111111111111111111111111111111111111111111111*
L1508 1101111111111111111101111011101101111010101010101010*
L1924 1111111111111111111111111111111111111111111111111111*
L1976 1111110111111111111110111011101101111010101010101010*
L2496 1111111111111111111111111111111111111111111111111111*
L2548 1111111111111111111111111111111111110110011010101010*
L3172 1111111111111111111111111111111111111111111111111111*
L3224 1111111111111111111111111111111111111010011010101010*
L3848 1111111111111111111111111111111111111111111111111111*
L3900 1111111111111111111111111111111111110110101010101010*
L6344 1101010101010101111111110011000000110000001101010011*
L6396 001000100000001000000010000000100000*
C532E*

I202  7/24/12  10:44 am  (Tuesday)
I203  Memory usage 8K
I204  Elapsed time 1 second