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|| FILE: #0054.PLD
|| PROJ: 20120601
|| PART: G16V8-#0054
||
|| DEV : GAL16V8
||
|| DESC: DECODER CONTROL REGISTER
||
|
|GAL16V8A
|
|| INPUT
| 1:A4, 2:A5, 3:A6, 4:A7, 5:VMA, 6:IO0, 7:PHI0, 8:RW, 9:PHI2,
| 11:X1, 12:X2,
|| OUTPUT
| 13:PHI2N, 14:DBE, 15:Y1, 16:Y2, 17:IVR, 18:CRW, 19:CRR
|
| PROPERTY: "SIMPLE"
|
| ACTIVE-LOW: PHI2N, Y1, Y2, IVR, CRW, CRR
|
| SIGNATURE: "0054 "
|
|| IOX -> FC00 - FC0F
| IOX = (IO0' & A7' & A6' & A5' & A4')
| CRR = (IOX & RW & PHI2)
| CRW = (IOX & RW' & PHI0 & PHI2)
| IVR = (IOX & RW & PHI2)
| PHI2N = PHI2
| Y1 = X1
| Y2 = X2
| DBE = (IOX # VMA)