XESS XStend XS40, Manual

Page: 12 / 63

11
NET D<6> LOC=P80;
NET D<7> LOC=P10;
NET A<0> LOC=P3; # LOWER BYTE OF ADDRESS
NET A<1> LOC=P4;
NET A<2> LOC=P5;
NET A<3> LOC=P78;
NET A<4> LOC=P79;
NET A<5> LOC=P82;
NET A<6> LOC=P83;
NET A<7> LOC=P84;
NET A<8> LOC=P59; # UPPER BYTE OF ADDRESS
NET A<9> LOC=P57;
NET A<10> LOC=P51;
NET A<11> LOC=P56;
NET A<12> LOC=P50;
NET A<13> LOC=P58;
NET A<14> LOC=P60;
NET WEB LOC=P62; # ACTIVE-LOW WRITE-ENABLE FOR ALL RAMS
NET OEB LOC=P61; # ACTIVE-LOW OUTPUT-ENABLE FOR ALL RAMS
NET CEB LOC=P65; # ACTIVE-LOW CHIP-ENABLE FOR XS40 RAM
NET LCEB LOC=P7; # ACTIVE-LOW CHIP-ENABLE FOR LEFT XSTEND RAM
NET RCEB LOC=P8; # ACTIVE-LOW CHIP-ENABLE FOR RIGHT XSTEND RAM
•
Listing 10: Connections between the XStend RAMs and the XS95.
NET D<0> LOC=P44; # DATA BUS
NET D<1> LOC=P43;
NET D<2> LOC=P41;
NET D<3> LOC=P40;
NET D<4> LOC=P39;
NET D<5> LOC=P37;
NET D<6> LOC=P36;
NET D<7> LOC=P35;
NET A<0> LOC=P75; # LOWER BYTE OF ADDRESS
NET A<1> LOC=P79;
NET A<2> LOC=P82;
NET A<3> LOC=P84;
NET A<4> LOC=P1;
NET A<5> LOC=P3;
NET A<6> LOC=P83;
NET A<7> LOC=P2;
NET A<8> LOC=P58; # UPPER BYTE OF ADDRESS
NET A<9> LOC=P56;
NET A<10> LOC=P54;
NET A<11> LOC=P55;
NET A<12> LOC=P53;
NET A<13> LOC=P57;
NET A<14> LOC=P61;
NET WEB LOC=P63; # ACTIVE-LOW WRITE-ENABLE FOR ALL RAMS
NET OEB LOC=P62; # ACTIVE-LOW OUTPUT-ENABLE FOR ALL RAMS
NET CEB LOC=P65; # ACTIVE-LOW CHIP-ENABLE FOR XS95 RAM
NET LCEB LOC=P6; # ACTIVE-LOW CHIP-ENABLE FOR LEFT XSTEND RAM
NET RCEB LOC=P7; # ACTIVE-LOW CHIP-ENABLE FOR RIGHT XSTEND RAM