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P125A

From PLD Archive
Revision as of 09:01, 19 August 2025 by Jon (talk | contribs) (Created page with "== Found on... == *Interware Booster CV40 (Macintosh 68040 accelerator) == Equations == <pre> * Inputs *: Pin 2 = i2; Pin 3 = i3; Pin 4 = i4; Pin 5 = i5; Pin 6 = i6; Pin 7 = i7; Pin 8 = i8; Pin 9 = i9; * Outputs *: Pin 12 = o12; *(Combinatorial, Output feedback output, Active low) *: Pin 13 = o13; *(Combinatorial, Output feedback output, Active low) *: Pin 14 = o14; *(Combinatorial, Output feedback output, Active low) *: Pin 15 = o15; /**(Registered,...")
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Found on...

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Equations

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/** Inputs **/
Pin	2 = i2;
Pin	3 = i3;
Pin	4 = i4;
Pin	5 = i5;
Pin	6 = i6;
Pin	7 = i7;
Pin	8 = i8;
Pin	9 = i9;

/** Outputs **/
Pin	12 = o12; /**(Combinatorial, Output feedback output, Active low) **/
Pin	13 = o13; /**(Combinatorial, Output feedback output, Active low) **/
Pin	14 = o14; /**(Combinatorial, Output feedback output, Active low) **/
Pin	15 = o15; /**(Registered, Output feedback registered, Active low) **/
Pin	16 = o16; /**(Registered, Output feedback registered, Active high) **/
Pin	17 = o17; /**(Combinatorial, Output feedback output, Active low) **/
Pin	18 = o18; /**(Registered, Output feedback registered, Active high) **/
Pin	19 = o19; /**(Registered, Output feedback registered, Active low) **/

/** Equations **/

!o12 = !i9 & o19;
o12.oe = o15

!o13 = !i7 & o19;

!o14 = !i6 & o19;

!o15.d =  !o18;
o15.oe = OE;

o16.d =  i9 & !o12;
o16.oe = OE;

!o17 = !i5 & o19;

o18.d =  !i9 & o19;
o18.oe = OE;

!o19.d =  i9 & o16
        # !i4;
o19.oe = OE;