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OrCAD LOGIC COMPILER  v2.01 N 12/09/94  (Source file .\PLD\#0001.PLD)
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  1  ||	FILE:	#0001.PLD
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  2  ||	PROJ:	20120607
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  3  ||	PART:	G16V8-#0001
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  4  ||
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  5  ||	DEV :	GAL16V8
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  6  ||
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  7  || 	DESC:	DMA CONTROL
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  8  ||
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  9  |
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 10  |GAL16V8A
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 11  |
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 12  || INPUT
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 13  |  1:DAEN, 2:HRQ, 3:EOP, 4:RES, 5:DME, 6:DMR, 7:FDR, 8:XTC, 9:-, 11:-,
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 14  || OUTPUT
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 15  |  12:OE, 13:DRS, 14:HLD, 15:XTCP, 16:FRS, 17:TC, 18:AEN, 19:AENN
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 16  |
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 17  | ACTIVE-LOW: OE, AENN
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 18  |
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 19  | PROPERTY:"SIMPLE"
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 20  |
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 21  | SIGNATURE: "0001    "
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 22  |
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 23  || --------------------------------------------------------
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 24  || /OE  -> abilitazione output latch address 82C37
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 25  || AEN  -> abilitazione buffer address CPU
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 26  || HLD  -> abilitazione DMA 82C37
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 27  || DAEN <- da 82C37 - abilitazione latch address
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 28  || HRQ  <- da 82C37 - richiesta DMA
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 29  || /DME <- abilitazione DMA da CPU
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 30  || AENX, HRQX -> attivi solo se DME LOW
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 31  |  AENX  = DAEN & DME'
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 32  |  HRQX  = HRQ & DME'
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 33  |  OE    = AENX
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 34  |  HLD   = HRQX
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 35  ||  AEN   = (AENX # HRQX)
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 36  |  AEN   = (DME')
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 37  |  AENN  = (AENX # HRQX)
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 38  ||
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 39  || DRS -> reset 82C37 (impulso positivo)
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 40  || attivo o per reset hardware o per comando /DMR da CPU
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 41  |  DRS   = ((RES') # (DMR)')
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 42  || FRS -> reset hardware per UM8388 (impulso positivo)
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 43  |  FRS   = ((RES') # (FDR)')
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 44  ||
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 45  || XTCP - inversione TC esterno da CPU
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 46  |  XTCP  = XTC'
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 47  || TC -> terminal count per UM8388
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 48  |  TC    = EOP'
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I201  No warnings.
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I203  Memory usage 76K
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I204  Elapsed time 1 second
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OrCAD DEVICE FITTER  v2.01   12/09/94  (Source file .\PLD\#0001.PLA)
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I289  Simple GAL architecture selected.
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                   1   HRQ  DME'
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HLD               40   HRQ  DME'
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                  49   DMR'
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FRS               24   RES'
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                  25   FDR'
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XTCP              32   XTC'
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  1.     DAEN            2        -    -    -        High    (Clock)
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  2.     HRQ             0        -    -    -        High
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  3.     EOP             4        -    -    -        High
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  5.     DME            12        -    -    -        High
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  6.     DMR            16        -    -    -        High
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  7.     FDR            20        -    -    -        High
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  8.     XTC            24        -    -    -        High
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  9.     -              28        -    -    -
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 11.     -              30        -    -    -                (Enable)
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 12.     OE             27       56    8    1        Low
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 13.     DRS            22       48    8    2        High
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 14.     HLD            18       40    8    1        High
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 15.     XTCP            0       32    8    1        High
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 16.     FRS             0       24    8    2        High
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 17.     TC             14       16    8    1        High
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 18.     AEN            10        8    8    1        High
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 19.     AENN            7        0    8    2        Low
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                                    ---- ----
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                                      64   11  (17%)
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I200  No fatal errors found in source code (device phase).
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I201  No warnings.
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OrCAD DEVICE
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Type:       GAL16V8
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L0000 11 01 11 11 11 11 10 11 11 11 11 11 11 11 11 11 *
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L0032 01 11 11 11 11 11 10 11 11 11 11 11 11 11 11 11 *
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L0256 11 11 11 11 11 11 10 11 11 11 11 11 11 11 11 11 *
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L0512 11 11 10 11 11 11 11 11 11 11 11 11 11 11 11 11 *
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L0768 11 11 11 11 10 11 11 11 11 11 11 11 11 11 11 11 *
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L0800 11 11 11 11 11 11 11 11 11 11 10 11 11 11 11 11 *
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L1024 11 11 11 11 11 11 11 11 11 11 11 11 10 11 11 11 *
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L1280 01 11 11 11 11 11 10 11 11 11 11 11 11 11 11 11 *
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L1536 11 11 11 11 10 11 11 11 11 11 11 11 11 11 11 11 *
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L1568 11 11 11 11 11 11 11 11 10 11 11 11 11 11 11 11 *
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L1792 11 01 11 11 11 11 10 11 11 11 11 11 11 11 11 11 *
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L2048 01 11 11 10 00 11 00 00 00 11 00 00 00 11 00 00 *
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L2080 00 11 00 01 00 10 00 00 00 10 00 00 00 10 00 00 *
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L2112 00 10 00 00 00 00 00 00 11 11 11 11 11 11 11 11 *
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L2144 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 *
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L2176 11 11 11 11 11 11 11 11 10 *
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C3419*
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I202  9/6/12  11:03 am  (Thursday)
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I203  Memory usage 5K
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I204  Elapsed time 1 second
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