B53-12
From PLD Archive
Found on...[edit]
Equations[edit]
/** Inputs **/ Pin 1 = MA15; Pin 2 = MA14; Pin 3 = MMREQ; Pin 4 = MRFSH; Pin 5 = MBSWD2; Pin 6 = MBSWD1; Pin 7 = MBSWD0; Pin 8 = OBJCODELO; Pin 9 = OBJCODEHI; Pin 11 = H4B; /** Outputs **/ Pin 12 = MRA16; /**(Combinatorial, Output feedback output, Active high) **/ Pin 13 = MRA15; /**(Combinatorial, Output feedback output, Active high) **/ Pin 14 = MRA14; /**(Combinatorial, Output feedback output, Active low) **/ Pin 15 = MROMCS; /**(Combinatorial, No output feedback, Active low) **/ Pin 16 = MRAMCS; /**(Combinatorial, No output feedback, Active low) **/ Pin 17 = NC17; /**(Combinatorial, Output feedback output, Active high) **/ Pin 18 = NC18; /**(Combinatorial, Output feedback output, Active high) **/ Pin 19 = OBJRAMCS; /**(Combinatorial, Output feedback output, Active high) **/ /** Equations **/ MRA16 = MA15 & MBSWD2; MRA15 = MA15 & MBSWD1; !MRA14 = MA15 & !MBSWD0 # !MA15 & !MA14; !MROMCS = !MA15 & MA14 & !MMREQ & MRFSH & !MBSWD2 & MBSWD1 # !MA14 & !MMREQ & MRFSH & !MBSWD2 & MBSWD1 # !MA15 & MA14 & !MMREQ & MRFSH & MBSWD2 # !MA15 & !MMREQ & MRFSH & !MBSWD1 # !MA14 & !MMREQ & MRFSH & MBSWD2; !MRAMCS = MA15 & !MA14 & !MMREQ & MRFSH & !MBSWD2 & !MBSWD1; NC17 = OBJCODELO & !H4B; NC18 = OBJCODEHI & !H4B; OBJRAMCS = OBJCODELO & OBJCODEHI & !H4B;