XR82C684J-F Просмотр технического описания (PDF) - Exar Corporation

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XR82C684J-F

CMOS Quad Channel UART (QUART)

Exar Corporation 

XR82C684

Pin #

68 Pin PLCC



Pin #

44 Pin PLCC

Symbol

+.

8!HG



+B

8!HG)

4

B

!

@

0

!

9



!

.



!4

B



!@

0



!9



4

!.



@

!B



9



9



.

4

@

9

.

 

-E

.0  

E:

00  




+9

8!HG!

+@

8!HG


+4

8!H-

<<G!

+

8!H-

<<G


Type





$-

$-

$-

$-

$-

$-

$-

$-

$

$

$





$-



Description

Output 6 (General Purpose Output).

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

'( 3 /%(&1 (('  * 
 

8!HG

Output 7 (General Purpose Output).  (%  (

'  ' *(,  *'( %   '( 3 /%

(&1 (('  * 
 ) 8!HG)

LSB of the Eight Bit Bi-Directional Data Bus. 

%*% 3  
+     6 '

  (% % ' %(%(, * (% !  !B   % (%

(% 3    
 ( (% / (, 1# "' (, 

$
= '&' (   ? 

Bi-Directional Data Bus.

Bi-Directional Data Bus.

Bi-Directional Data Bus.

Bi-Directional Data Bus.

Bi-Directional Data Bus.

Bi-Directional Data Bus.

MSB of the Eight Bit Bi-Directional Data Bus. 

%*% 3  
+     6 '

  (% % ' %(%(, * (% !  !B   % (%

(% 3    
 ( (% / (, 1# "' (, 

$
= '&' (   ? 

Read/-Write (Input). $*  (% ( (% (, 3 ( 
 (%

 3#    
+ (% * (,  5! '&' 3(  

 $*  (% ( (%  3# 3 ( 
 (%  3#    

+ (% * (,  E$5 '&' 3(   

Write Strobe (Active Low).  / 31  (% ( 3 (


 (% % / 31 3(%   ' % *   ! )%

(   %% ,(%# 3( (     

%* ''%   (%(, , * E

Chip Select (Active Low).    % (% (%

3  
 (% (,  ! %*% 3  
+ 

   ( !  !B   3  
 (%  3

Output 15 (General Purpose Output).  (%   

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

'( 3 /%( &1 (('  * 
 !

8!HG!

Output 14 (General Purpose Output).  (%   

( '  ' *(,  *'( %   (

'( 3 /%( &1 (('  * 


8!HG


Output 13 (General Purpose Output).  (%   

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

'(  3 /'( &1  /$ 1 (('  * 

 ! 8!H-<<G!

Output 12 (General Purpose Output).  (%   

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

'( 3 /'( &1  /$ 1 (('  * 


8!H-<<G


.

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