LOCAL BUS CONTROL PLD DESCRIPTIONS

eprom/io wail slale limer and bus cycle Irapking Equalions for Module iolime

Device ua

-Reduced Equalions:

aleio :" !(!aleio , !elk , elk' !inla , elk , !iord , elk

!iowr);

Ilmedly :" !C!elk , !Iimedly , wlenlO & wlenll , wlenl2 I elk' Ilmedly , !wlenlO & wlenll & wlenl2

,!eprd & !Iimedly , wlenlO & wlenll , wlenl2

I !inla , !Iimedly , wlenlO wlenll , wlenl2

I !lord '!Ilmedly wlenlO wlenll wlenl2

I !iowr & !Iimedly wlenlO wi e nil ,& wi e n I 2 ) ;

wlenl2 :" !C!elk , limedly , !wlenl2

I Ilmedly , !wlenlO , !wlenl2

,Ilmedly , !wlenll , !wlen(2);

wlenll :" !(!elk & limedly & !wlenll

I limedly & !wlenlO , !wlenll

I elk' limedly , wlcnlO , wlcnll & !wlent2

 

elk

& !lnla

,

limedly

,

 

wlenlO

,

wlenll

 

elk

!iord'

Ilmedly

,

 

wlenlO

,

wlenll

I

elk

!lowr

 

limedly

 

 

,deniO

 

wlenll

I

elk

!eprd

 

limedly

 

 

wlenlO

 

wlenll

I

elk

!reev

 

limedly

 

 

wlcnlO

 

wlenll);

wlentO :" ! ( ! elk

Ilmedly

!wlentO

 

 

 

 

I

elk

limedly

wlenlO

 

&

!wlenll

 

I

elk

limedly

& wlenlO

 

,

!wtent2

 

I

elk

!inta

&

timedly

,

 

wlenlO

 

 

I

elk

! lor d

 

limedly

,

 

wlenlO

 

 

I

elk

! i 0 W r

 

limedly

&

 

wlentO);

 

bus eye :" !Cbuseye 'elk !pipeeye

I!ads & buscye & elk

I !buseye & !elk , pipeeye

I !buseye , pipeeye , ready);

pipeeye := !(buseye & !elk , !pipeeye

,!ads , !buseye & elk , pipeeye , !ready);

Figure A-2. IOPLD2 Equations (Contd.)

A-9

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Intel 386 manual Iowr