Figure A-2. IOPLD2 Equations Contd

LOCAL BUS CONTROL PLD DESCRIPTIONS

test - veeton ([clk2,clk,iord,lowr,eprd,inta,recvl ; [timedlyl);

[c,h,h,h,h,h,hl ; [h I ; [c,h,h,h,h,h,hl ; [h I;

[c,h,h,h,h,h,hl [h I ;

[c,h,h,h,h,h,hl [h I;

[c,h,l,h,h,h,hl ; [hi; [c,h,l,h,h,h,hl ; [hi; [c,h,l,h,h,h,hl; [hi; [c,h,l,h,h,h,hl ; [hi; [c,h,h,h,h,h,hl ; [hi;

[c,h,l,h,h,h,hl " [hi; [c,h,l,h,h,h,hl " [hi; [c,h,l,h,h,h,hl " [hi;

[e,h,l,h,h,h,h] ~ [11;

[c,h,h,h,h,h,11 " [hi;

[c,h,h,l,h,h,hl " [hi; [c,h,h,l,h,h,hl " [hi; [c,h,h,l,h,h,hl " [hi; [c,h,h,l,h,h,hl " [II; [c,h,h,h,h,h,hl " [hi;

[c,h,h,h,l,h,hl • [hi; [c,h,h,h,l,h,hl • [hi; [c,h,h,h,l,h,hl • [II; [c,h,h,h,h,h,hl • [hi;

.. i dIe

"I die

II i dIe

"10 read Ilia read Ilia read

"ia read

"I die

"Interrupt acknowledge "interrupt acknowledge "interrupt acknowledge "Interrupt acknowledge

"I die

.. i 0 \Pol r i t e

Ilia write

II i 0 \PI r i t e

.. i 0 \PI r i t e

.. i dIe

lIeprom read

"eprol!! read lIeprom read

"Idle

test - vecton ([clk2,clk,ods,readyl " [buscyc,plpecycll

[c,l,h,hl " [x,hl; "Idle - busy - idle [c,h,h,11 • [x,hl;

[c,l,h,hl " [h,hl; [c,h,l,hl " [I,hl; [ c , I , h ,II " [I , hi ; [c,h,h,11 • [h,hl;

[c,I,I,hl" [h,hl; [c,h,l,hl " [I,hl; [ c , I , h , I I " [I, hi; [c,h,I,I] " [h,ll;

[ c , I , I ,hi [ h , II ;

[c,h,h,h] [I,hl;

[c,h,h,ll" [h,hl; [ c , I , h , h] " [h, hi ; [c,h,l,hl" [I,hl; [ c , I , I , hi" [I, hi; [c,h,h,hl " [I,h]; [c,l,h,hl" [I,hl; [c',h,h,h] " [I,hl; [ c , 1 I h , c] -+ [1 J h ] i [c,h,h,l] " [h,hl; [c,l,h,hl " [h,hl;

"idle -bu . y - pipe- busy

"Idle - busy - busy - idle

end lopal2;