English
Language : 

XR68C681J-F Datasheet, PDF (60/75 Pages) Exar Corporation – CMOS Dual Channel UART(DUART)
XR68C681
 
# 3  H22 
,#82I ' $
A( !  (
 $  -(% 
  . *(  HI
A( !!!!!!!  
 -(% 
 %( $$ %%
 '     (' 
A(  '   9 
# 3  H22 
,#82I ' $
A( !  (
 $  -(% 
  . *(  HI
A( !!!!!!!  
 -(% 
 %(   ' 
   (' 
A(  '   9 

  
  ' % 
E %
A(  '(
  (' Q
8
Figure 29. A Flow Diagram Depicting a Procedure That Can be Used to
Transmit Characters in the Multi-Drop Mode.
Receiver Operation during Multi-Drop Mode
A  '   %  - $ (  
($ $ "  $   ' (  %  $(% $ 
&(' ' +(-( "   ' (  ( $  ' ' 
(   9  $ %   5E ( $('  $.
(   (+  . ( (% HI  $$ %% +- 9  " 
' '  (  $(%'$ $ (+ (% . ( (% HI  +-
  + " (  % %   5E ( $('"  ,
% $   $   ' ( $ ' '   $ $  ( (+
 $$ %%   (   % % ' %   +  ,  #+
 $$ %% % $ ' " ( $('( -   ( (%  H- 
 I"   , % $    ' ( " (
 ( +  %% C  '3% + $  ' 
 ' (  %   $   ' (  % ( $ ( 
' %% $ % (   (    ' ( $
' ' %  '' %%(   , &  $( - 
9  % +  . +- ( (% (   M6N"
 %%  -(%  ( & % $  ( $(' H,(&
2I   + " ( ' L '( (  ' (  ' 
' ' "  , % $ ' (    (  M6N (
$    (+&   ( (%  HI  ' ' % ' 
H-  , I $  '%   $$ %% ' ' "  M6N
JHI" ( % $ '  (% $$ %% ( (%   #+ 
  
/