Difference between revisions of "B53-12"
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*[[Insector X]] | *[[Insector X]] | ||
*[[The New Zealand Story]] | *[[The New Zealand Story]] | ||
== Equations == | |||
<pre> | |||
/** 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; | |||
</pre> | |||
[[Category:Taito PLD's]] | [[Category:Taito PLD's]] |
Latest revision as of 13:46, 26 December 2023
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;