XR82C684CJ-F Datasheet, PDF (5/107 Pages) Exar Corporation – CMOS Quad Channel UART(QUART)

XR82C684
PIN DESCRIPTION
Pin #
68 Pin PLCC


Pin #
44 Pin PLCC

Symbol
>


5<
4
+
8
G.8
8
G8
8
G8
@

+4
8
)G8
8
)G8

-GG!H
9
4
8!)
.
@
B
9
8!)
8-
<=
0
.


 
8
+@
8!H-
 <<G
+9
8!H-
 <<G)
Type
Description
Power Supply Pin.
$
Mode Select. /00  1 '  %' & &( ,  (%
(  2:!. ' '( ,  (% (  >

3( %'  
/.0  1

Output Port 2 (General Purpose Output).  (% (
' %  ' *(,  * '( %   /
  
 %( ."  " ' '61 #    /
  
'( 8 ' '61 

Output 3 (Active low).
   , %  , 
  % #   /
  )  %( "
' '61 #   /
  ) '( " ' '61 #
   ( /
 -(  &1 

$
$ 
$


Transmitter Serial Data Output (Channel B).  
% %(, (*('  ( *   ' ' (%  %( *(%
 (%  (%  (   / (, 1 6( , % 3 
   %( (% (# (%#  3    '   (%
( , (    ' <+)
=   $*  " 
 %( ' '6 (% %'(*(# 8
)#    %(
 (% % (*  *     %(  (* ,(%
   *( ,   , *  (% ' '6
Receiver Serial Data Input (Channel B).   %
%(, (*('  ( *   ' ' (% '( *(% $*  
"  '( ' '6# 8
)# (% %'(*(#    
%( (   (% %   (%( , , *  (%
' '6
Crystal Output or External Clock Input.  (% ( (%
  ' '( *   %( *   '&%    ''(
   ,   3    (   %'(  (% % $*  
%'(  (%  %#  "  ' '6 %(,  % 
%(   (% ( 
$  *    80
.0@ ('  * '(  &#
  % % %&  %(,  3( *I '(% 3
 ;J   0 ;J  (% I(  '   &
(   '&% %'(   &   "  <' 
( ' '6 %(, 
Crystal Input.
'( *   %( *   '&%
  %( * 8-
<= $*   %'(  (% %#  ''(
  % %  ' ' *   (% (  ,  
 (% ( %  *  (*  "  ' '6 (% %
(    8-
<= ( 
Output 4 (General Purpose Output).  (%  (
' %  ' *(,  * '( %   '( 3
/'(&-$ 1 ( ('  * 
  
8!H- <<G
Output 5 (General Purpose Output).  (%  (
'  ' *(,  * '( %   '( 3 /'(
&-$ 1 ( ('  * 
  )
8!H- <<G)
9