XR88C681CP Datasheet, PDF (45/99 Pages) Exar Corporation – CMOS DUAL CHANNEL UART (DUART)

XR88C681
C.6.2.2 8086 Microprocessor
  ==/ (''%% (%  / ( (''%%  +'$ & # 
(  Figure 20 % %   ( 
$(- +  (% #
 Please note that in (- , pins 24 - 31 have some additional labels, located off to the right of the
package. These additional labels will be explained later in this text.
07 
< 
1 1
 <
 6
 /
 >
= =
> 
/ 
6 
< 
1 1
 ^<
 6
 /
7# >
#7 =

9: 
07 
8086 CPU
< ;


1 6
1= _/.1
1> >.<
1/ =.6
16 ./
1< *82.>
11 7.5
1 
1 ).0
1 ).0
 9
:
= 
> 
/ _
6 )
< _)
1 2
 2 G
 22
89
89 
B
.#
.
27
 92
#7 
Figure 20. Pin Out of the 8086 Microprocessor Device
#     -  - %  3   ( '  +  (% #

 & (!( -   + '( % +  & +  % ( %
 (% $(' ' %(%% +  / (  *%  $   (
$$%% *%    *% (% (!$ (   
/ $$%% *(%    6  +   6 $$%%
*(% /    (!$ ( %% (% 1  / 
+ /.1" >.<" =.6  $ ./  +  %
( %  $$%% ( % $( -   +(% + +  &
'&' 8" $( -   %' $ + +  &
'&'"  % ( %   3   (   + '( %
 
<6