XR82C684CJ-F Datasheet, PDF (6/107 Pages) Exar Corporation – CMOS Quad Channel UART(QUART)

XR82C684
Pin #
68 Pin PLCC

Pin #
44 Pin PLCC
Symbol
+.
8!HG

+B
8!HG)
4
B
!
@
0
!
9

!
.

!4
B

!@
0

!9

4
!.

@
!B

9

9

.
4
@
9
.
 
-E
.0  
E:
00  


+9
8!HG!
+@
8!HG

+4
8!H-
 <<G!
+
8!H-
 <<G

Type


$-
$-
$-
$-
$-
$-
$-
$-
$
$
$


$-

Description
Output 6 (General Purpose Output).
 (%  ( '  ' *(,  * '( %  
'( 3 / %(&1 ( ('  * 
  
8!HG
Output 7 (General Purpose Output).  (%  (
'  ' *(,  * '( %   '( 3 / %
(&1 ( ('  * 
  ) 8!HG)
LSB of the Eight Bit Bi-Directional Data Bus. 
 %*% 3  
+       6 '
  (% % ' %(%( , * ( % !  !B   % (%
(% 3    
 (  (% / (, 1# "' ( , 
$
= '&' (   ? 
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
MSB of the Eight Bit Bi-Directional Data Bus. 
 %*% 3  
+       6 '
  (% % ' %(%( , * ( % !  !B   % (%
(% 3    
 (  (% / (, 1# "' ( , 
$
= '&' (   ? 
Read/-Write (Input). $*  (% (  (% (, 3 ( 
 (%
 3#    
+ (% * ( ,  5! '&' 3(  
  $*  (% (  (%  3# 3 ( 
 (%  3#    

+ (% * ( ,  E$5 '&' 3(    
Write Strobe (Active Low).  / 31  (% (  3 (

 (% % / 31 3(%   '  % *   ! )%
(    %% ,(%# 3( (      
 %* ''%   (%( , , * E
Chip Select (Active Low).    % (% (%
3  
 (% (,  !  %*% 3  
+  
    ( !  !B    3  
 (%  3
Output 15 (General Purpose Output).  (%   
( '  ' *(,  * '( %    ( #
'( 3 / %( &1 ( ('  * 
  !
8!HG!
Output 14 (General Purpose Output).  (%   
( '  ' *(,  * '( %    ( 
'( 3 / %( &1 ( ('  * 
 

8!HG

Output 13 (General Purpose Output).  (%   
( '  ' *(,  * '( %    ( #
'(  3 /'( &1  /$ 1 ( ('  * 

  ! 8!H- <<G!
Output 12 (General Purpose Output).  (%   
( '  ' *(,  * '( %    ( #
'( 3 /'( &1  /$ 1 ( ('  * 

 
8!H- <<G

.