XR82C684CJ-F Datasheet, PDF (17/107 Pages) Exar Corporation – CMOS Quad Channel UART(QUART)

XR82C684
Address
(Hex)



4
@
9
.
B
0


)


!
5




4
@
9
.
B
0


)


!
5

Read Mode Registers
Write Mode Registers
Register Name
  ,(%#
  
% ,(%#
  
%6 $  % ,(% 
" ; ( , ,(%#
  
$  + 
 , ,(% 
$  % ,(% 

 -(  )& ,(% 

 -( < 3 )& ,(% 
  ,(%#
  )
% ,(%#
  )
55>5!
" ; ( , ,(%#
  )
$  >'  ,(%
$  + 

 -( 
 
 
 -( 
 
  ,(%

% ,(%

%6 $  % ,(% 
" ; ( , ,(%

$  + 
 , ,(% 
$  % ,(% 

 -( #  )& ,(%

 -( # < 3 )& ,(%
  ,(% !
% ,(% !
55>5!
" ; ( , ,(% !
$  >'  ,(% 
$  +  

 -( 
 
 
 -( 
 
Symbol
# 

$
;
$+

$

 

<
)# )
)

;)
$>
$+






# 



$
;

$+

$

 

<
!# !
!

;!
$>
$+





Register Name
  ,(%#
  

 '6 ' ,(%#
  

  ,(% 
" ; ( , ,(%#
  
"((&
  ,(% 
$  %6 ,(% 

 -(
 )& ,(% 

 -( < 3 )& ,(%
  ,(%#
  )

 '6 ' ,(%#
  )

  ,(%#
  )
" ; ( , ,(%#
  )
$  >'  ,(% 
 + 
*(,( ,(%
+  +B
  +  )(% 
 

  +  )(% 
 
  ,(%


 '6 ' ,(%


  ,(%

" ; ( , ,(%

"((&
  ,(% 
$  %6 ,(% 

 -( #  )& ,(%

 -( # < 3 )& ,(%
  ,(% !
% ,(% !

  ,(% !
" ; ( , ,(% !
$  >'  ,(% 
 + 
*(,( ,(% 
+0  +9
  +  )(% 
 

  +  )(% 
 
Symbol
# 




;


$

 

<
)# )

)

)
;)
$>
+

+)


+)


# 







;



$

 

<
!# !
!

!
;!
$>
+

+)


+)

Note: The shaded blocks are not Read/Write registers but are rather “Address-Triggered” Commands.
Table 1. Quart Port And Register Addressing
 
B