Subversion Repositories MB01 Project

||      FILE:   #0200.PLD
||      PROJ:   20170501
||              ???
||      
||      PART:   G18V10-#0200
||
||      DEV :   GAL18V10
||
||      DESC:   CLK & RDY, NMI, IRQ CONTROL
||
|
|GAL18V10
|
|| INPUT
|  1:CLK, 2:ENI, 3:INMI, 4:IIRQ, 5:RDY0, 6:RDY1, 7:RDY2, 8:RDY3, 9:RDY4,
|  11:RDY5, 12:RDY6, 13:RDY7,
|| OUTPUT 
|  19:Q0, 18:Q1, 17:NMI, 16:IRQ, 15:CRDY, 14:RDYN
|
| ACTIVE-LOW: NMI, IRQ, RDYN
|
| SIGNATURE: "0200    "
|
|| --------------------------------------------------------
||
|  Q[1..0] = CLK // Q[1..0] + 1         || Q0 = CLK/2, Q1 = CLK/4
|  RDYO = (RDY0 & RDY1 & RDY2 & RDY3 & RDY4 & RDY5 & RDY6 & RDY7)
|  CRDY = RDYO
|  RDYN = RDYO
|  NMIN = INMI'
|  IRQN = IIRQ'
|  IRQ  = IRQN & ENI
|  NMI  = NMIN & ENI