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iAPX 88/10
WAVEFORMS
(Continued)
BUS
TIMING-MAXIMUM
r T,
T, T,
•
MODE
SYSTEM
ClK
VCl
VCH
TCHSV
~
r---'I,
\.
J
r--\l
;.~
_
.r--\
(USING 8288)
r--
-
~
- r
L-
52,
s"
so
(EXCEPT
HALT)
WRITE
CYCLE
AD7-ADO
DEN
8288 0UIPlITS
SEE NOTES
5,8 AMWC
OR
Alowe
MWTCORIOWC
INTA
CYCLE
A1s-Aa
(SEE
NOlES 3,4)
8288
0U11'UTS
SEE
NOTES
5,6
MCEI
I'lIDI
OlfR
INTA
DEN
----~~--~--~--~---+----~~+----+~-----
J/////I
(_
....
0)
~--r---r----r--~--~~
TCLAV-
I.-
- TCLDVI_
~
L
TCLSH
TCHDX-
r-
______
~~,
rl
__
~
___
-~~TC=L~AX~~lr
__
+-
____
~
____
~I--
__
'
__
-+
______
~~
,-
______
_
'V
DATA
---t+-J
'--t----t---JJI\,
'---t-----,-----+---+...J
'---
lCVNV-
J-
TCVNX-
-
-TCLMl
TCLMH-
r
-----+r---+---+.I
r--t-----
-------rr----~----_+------_r--------~,'
TCLML
--
FLOAT
RESERVED
FOR
CASCADE
ADDR /
FLOAT
___
--H,<./".IITCiAZ
\
!--TDVCL-
I-II:-_+---------{II
POINTER
'I
1.
FLOATI~
)
TSVMCH-
_TCLMH
FLOAT
!-TCLDX
FLOAT
~
TCLMCl-1
{/
/
-T-C-LM-C-H--~l
_
{LT'-L-+/---f------+-+--+---'·--
r--
\ /
--
\-
TCHDTH
\
lCLML-
0
~-r----------~~I
--
ttMH
- TCVNV
TCVNX-
~
/r----------.-,
-------
'-------'
\..-
-- ---
NOTES: 1.
ALL
SIGNALS
SWITCH BETWEEN
YOH
AND
VOL
UNLESS OTHERWISE
SPECIFIED.
2.
RoY
IS
SAMPLED
NEAR
THE
END
OF
T2.
T3.
Tw
TO
DETERMINE
IF
Tw
MACHINES
STATES ARE TO BE INSERTED.
3.
CASCADE ADDRESS IS
VALID
BETWEEN FIRST
AND
SECOND
INTA
CYCLES.
4. TWO
INTA
CYCLES RUN BACK·TO·BACK.
THE
8088
LOCAL
ADDRIDATA
BUS
IS
FLOATING DURING
BOTH
INTA
CYCLES. CONTROL FOR
POINTER ADDRESS IS SHOWN FOR SECOND
INTA
CYCLe.
5.
SIGNALS
AT
8284 OR 8288
ARE
SHOWN
FOR REFERENCE ONLY.
6.
THE
ISSUANCE
OF
THE
8288
COMMAND
AND
CONTROL
SIGNALS
(MlII!C,I\lWTC,
~,IlIRC,
RlWl:,1iRlWC,1IIn
AND
DEN)
LAGS
lHE
ACTIVE
HIGH
8288 CEN.
7.
All
TIMING
MEASUREMENTS ARE
MADE
AT 1.5V UNLESS OTHERWISE
NOTED.
8.
STATUS INACTIVE IN STATE JUST PRIOR TO
T,.
60
AFN'()0826D