Intel 386 Computer Hardware User Manual


 
"M_I®
II
1'eI
LOCAL BUS CONTROLPLD DESCRIPTIONS
test.vector5.([clk2,refreql
..
[clk,tcl,tcO,tcout,tloadl)
[ c ,
II
...
[ I , I , I , I ,
hI;
co u n t
0
[ c ,
II
..
[h,
I , I , I ,
hI;
count
0
[ c ,
II
..
[ I , I , h , I ,
hI;
count
1
[ c ,
II
..
[ h , I , h , I ,
hI;
co u n t 1
[ c ,
II
..
[ I , h , I , I ,
hi;
count
2
[ c ,
II
..
[h,
h,
I , I
,h
I;
count
2
[ c ,
II
..
[ I
,h
, h , I ,
hI;
count
3
[ c ,
II
..
[h,h,h,h,hl;
count
3,
car
r y
[ c ,
II
..
[ I , I , I , I , h I
count
0
[ c ,
II
..
[ h , I , I , I , h I
count
0
[ c ,
II
..
[ I , I
,h
, I , h I
count
1
[ c ;
II
..
[ h , I
,h
, I , h I
count
1
[ c ,
II
..
[ I , h , I , I , h I
count
2
[ c ,
I I
..
[ h , h , I , I , h I
count
2
[c,
II
..
[ I , h
,h
, I , h I
count
3
[ c ,
II
..
[h,h,h,h,hl
count
3,
carry
.
[c,
h I
..
[ I , I , I , I , h I
count
0
[c,
h I
..
[ h , I , I , I , h I
count
0
[c,
h I
..
[ I , I
,h
, I , h I
count
1
[ c , h I
..
[h,
I , h , I , h I
count
1
[c,
h I
..
[ I , h , I , I ,
hI
count
2
[c,
h I
..
[ h , h , I , I ,
hI,
count
2
[c,
h I
..
[
I,
h , h , I ,
hI;
count
3
[ c , h I
..
[ h , h , h , I ,
II
;
count
3,
load
[ c , h I
..
[ I , I , I , I ,
hI;
count
0
[ c
,h
I
..
[ h , I , I , I ,
hi;
count
0
test.vectors
([clk2,resl
..
[clk,re5ync,reseth,resetll)
[c,
h I
..
[c,
h I
..
[c,
h I
..
[c,
h I
..
[c,
h I
..
[ c
,h
I
..
[ c ,
II
..
[ c ,
II
..
[ c ,
II
..
[ c , I I
..
[ c , I I
..
[ c ,
II
..
end
clock;
[ I , x , x , x I
[h
, h , x , x I
[ I , h , x , x I
[h
, h , h , x I
II,
h,
h,
II
[h
, h , h ,
II
[ I , h , h , I I
II
r e
!5
In
put
negated
[h,
I , h ,
II
[ I , I , h , I I
[h,
I , I ,
II
"reseth
faIling
edge
occur5
during
[I,I,I,hl,"
rese
tl
rising
edge
occurs
during
[ h , I , I ,
hI;
Figure A-3. RESET/CLOCK PLDEquations (Contd.)
A-l1
pha5e
2
pha5e
1