XR82C684CJ-F View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

XR82C684CJ-F

CMOS Quad Channel UART (QUART)

Exar Corporation 

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XR82C684

-E

5 ' '6

E

!

55

55

Figure 3. External Logic Circuitry Required To Interface a 6800 Family Processor

to an “88-Mode” XR82C684 Device

B.1 Quart Register Addressing

  %%(, *   ( ,(%% *    (%

% ( Table 1 Please note that some of the

registers are “Read Only” and others are “Write Only”.

Each channel is provided with the following dedicated

(addressable) registers.


 ,(%%

   ,(%%   

 % ,(%%


 '6 ' ,(%%

 '( ; (, ,(% ;  %(

; (, ,(% ;

(( &#    ' (%   *  3(, ,(%%

  % -'   '  (%

 $ % ,(%  
%  O )

 $ % ,(%  
%
O !

 $ %6 ,(%  
%  O )

 $ %6 ,(%  
%
O !

 %6 $ % ,(%  
%  O )

 %6 $ % ,(%  
%
O !

 $ >'  ,(%  
%  O )

 $ >'  ,(%  
%
O !

 "((&
  ,(%  
%  O )

 "((&
  ,(%  
%
O !

 *(&#    % ' (%   ,(%%  

%  *'( %     %(  ' ('( #

%' %     %   
%-(%

 +
   + 
  ,(% 

 +
   + 
  ,(% 

 $+
  $ + 
*(,( ,(% 

 $+
  $ + 
*(,( ,(% 


 
-(  )& ,(% 


 
-(  )& ,(% 


< 
-( < 3 )& ,(% 


< 
-( < 3 )& ,(% 

 

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