XR82C684CJ-F Datasheet, PDF (72/107 Pages) Exar Corporation – CMOS Quad Channel UART(QUART)

XR82C684
( # 3 ('  3%  ( % (  3(  ( 
%' 
+ ,( ,    +  (%  ( (**  *   
'  (  3(%   &('        %
   +  '('(& ' %(%% * 3  + 
,(%% +   +#     .    ( %
 %% + '  %  +  ( % +  +B
  + '  %  +  ( % +0  +9  
'  % *   +%  '  % *   ' %
*    +  ( %   "# (*   ( +P9Q (%
%    ,(' /1#  (% 3( % (   +9  +  (
( ,    ,(' /1 <(63(%# (*   ( +P9Q (% %  
 ,(' /1#  (% %% (   +9  +  ( ( ,  
 ,(' /1      ( ,   6%  ,( ,  
    (  (%    '    % %
 '' (%  (% * E  3(( ,   (%  
 #  % (  6  *   *  %% (,,
'  %7   +  )(% D#   +  )(%
D#
  +  )(% D  
  +  )(% D
  +  )(% D  
  +  )(% D
'  % (%  +    +  ( % + 
+B ((&#     +  )(% D  

 +  )(% D '  % (%  +  
 +  ( % +0  +9 $ (% (      
3  (  6( , (  /  +  )(%1 '  #  
% (% %( ,   (%   ,(' /1 (    ( +
; 3#  (% '( %% ( %( ,   ' % ( ,
 +  ( %   ,(' /1.     '  &
( % ( 3   % *    +  ( %  
  (% (   + <(63(%# 3  ( 
 
+  )(% '   (% (  6#   %'(*( (%# 3( (  
' % ( , +  /'1   ,(' /1 ; 3#
  ' % ( ,  +  ( %  %     ,(' /1
%
  % * ' ( 3( (   *   +%# *  3( , 
+ 3 % +# (%  11  * #   % *
'  +  ( # *  3( ,  + (%  ,(' /1
  (% *   + '  %   ' ( ((& 
( (% % &   %%(,, /  +  )(% 1
'   % Table 1 3(   ''  &( , # 
  ! )%# %'(*&( ,   (%# 3( (   +#   %
  L %#  L '  ,  ( (% ' &   %%
(,, U
  +  )(% 1 '   %
Table 1 3(   ''  &( , #    ! )%#
%'(*&( ,   (%   %  L '#  L '  ,
F.1 Writing Data to the OPRs/Output Port Pins
%  (  (#   % *   +%  
' %I &#    +  ( % (% '   & * 
/%% (,,1 '  %
   +  )(% D
 
   +  )(% D
 

  +  )(% D
 

  +  )(% D
 
   '   **' * %( ,  % '  % 
(%'%%  3
F.1.1 Set Output Port Bits Command
  '  ' %  (  6   /5  + 
+ )$ D1 '   (%   % % 3(( ,  
'  %   ! )% !B  !    %%
5_. *  +B  +   & /1   "(%% 3( (  
'  '  % *   ! )%#   ' % ( , (#
3( ( + (% %    ,(' / (, 1   & /1   (%
%     %   (% 3(    %%
5_.#   % *   ' % ( , (# 3( ( + (%
 '  ,
E '  %  (%    3& %7   & /1   (%
%    ! )%# ( ,   % *   / 
+  )(% D1 '  #   ' % ( ,  + 
( (% %    ,(' / 31   *  & /1   (% % 
  ! )%# ( ,  (% '  #   % *  
' % ( ,  +  ( (%  '  ,
For Example
 %     '   * +  +PB7Q L P# #
# # # # # Q ; '#   % *    +  ( %
 % *  3%7
P+B# +.# +9# +@# +4# +# +# +Q L P# # # #
# # # Q
$* 3 3(   *  3( ,    %% 5_..
P!B##!Q L P# # # # # # # Q.   %( , % *  
 +  ,(% )(% *  3%7
+PB7Q L P# # # # # # # Q

%I &#   % *    +  ( %  %
*  3%7
P+B# +.# +9# +@# +4# +# +# +Q L P# # # #
# # # Q
 
B