ParallelCard PDEGPS-1-A

Found on...

• Unknown parallel port card

Equations

/** Inputs **/
Pin	1 = SA1;
Pin	2 = SA3;
Pin	3 = SA4;
Pin	4 = SA5;
Pin	5 = SA6;
Pin	6 = SA7;
Pin	7 = SA8;
Pin	8 = SA9;
Pin	9 = XA4;
Pin	10 = XA6;
Pin	11 = XA8;
Pin	13 = SA13;
Pin	14 = IOW;
Pin	16 = AEN;
Pin	17 = SA17;
Pin	23 = UNK1;

/** Outputs **/
Pin	15 = o15; /**(Combinatorial, No output feedback, Active high) **/
Pin	18 = o18; /**(Combinatorial, Output feedback output, Active high) **/
Pin	19 = o19; /**(Combinatorial, Output feedback output, Active high) **/
Pin	20 = o20; /**(Combinatorial, Output feedback output, Active low) **/
Pin	21 = o21; /**(Combinatorial, Output feedback output, Active high) **/
Pin	22 = IO_RDY; /**(Combinatorial, No output feedback, Active low) **/

/** Equations **/

o15 = !IOW & o18
    # !SA13 & o18;

o18 = !SA1 & !SA3 & SA4 & SA5 & SA6 & !SA7 & SA8 & SA9 & XA4 & XA6 & XA8 & !AEN
    # !SA1 & !SA3 & !SA4 & SA5 & SA6 & !SA7 & SA8 & SA9 & !XA4 & XA6 & XA8 & !AEN
    # !SA1 & !SA3 & SA4 & SA5 & !SA6 & !SA7 & SA8 & SA9 & XA4 & !XA6 & XA8 & !AEN
    # !SA1 & !SA3 & !SA4 & SA5 & !SA6 & !SA7 & SA8 & SA9 & !XA4 & !XA6 & XA8 & !AEN
    # !SA1 & !SA3 & SA4 & SA5 & SA6 & !SA7 & !SA8 & SA9 & XA4 & XA6 & !XA8 & !AEN
    # !SA1 & !SA3 & !SA4 & SA5 & SA6 & !SA7 & !SA8 & SA9 & !XA4 & XA6 & !XA8 & !AEN
    # !SA1 & !SA3 & SA4 & SA5 & !SA6 & !SA7 & !SA8 & SA9 & XA4 & !XA6 & !XA8 & !AEN;

o19 = !IOW & o18
    # !SA13 & o18;

!o20 = !IOW
     # SA13 & UNK1;

o21 = !IOW & !SA17 & o18
    # !SA13 & !SA17 & o18;

!IO_RDY = !IOW & !SA17 & o18
     # !SA13 & !SA17 & o18;
IO_RDY.oe = o21