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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