Intel 80386

COPROCESSOR HARDWARE INTERFACE
32 MHz CLOCK GENERATOR
~
~
~
oJ
.-
"-
-
-
-
-
-
-
I I
l l 1 1
X1
X2 EFI FIC#
ADi?O#
82384
CLK2
RES#
CLK
RESET
ADS#
t
HLDA
DIC#
RESET
LOCK#
READY#
BEO#-BE3#
CLK2
BS16#
MIIO#
NA#
A31
HOLD A30-A3
INTR
A2
80386
NMI
WIR#
ADS#
00-031
BUSY#
ERROR"
PEREa
FROM OTHER PERIPHERALS
~>-
-
80387
..
CLOCK
GENERATOR
(OPTIONAL)
-
WAIT STATE
-
GENERATOR
(OPTIONAL)
AND OR LOGIC
f----
r---
r---
r---
32
(5·2) 80386-80387 PSEUDO SYNCHRONOUS
HARDWARE INTERFACE
CKM
387CLK2
386CLK2
RESET
IN
READY#
READYO#
NPS1#
NPS2
CMD#
WIR#
ADS#
00-031
BUSY#
ERROR#
PEREa
Figure 5-2. 80386 System with 80387 Coprocessor
5-5
80387
?
>
STEN
-
G30107