XR82C684
PIN DESCRIPTION
Pin #
68 Pin PLCC
Pin #
44 Pin PLCC
Symbol
>
5<
4
+
8G.8
8G8
8G8
@
+4
8)G8
8)G8
-GG!H
9
4
8!)
.
@
B
9
8!)
8-<=
0
.
8
+@
8!H-
<<G
+9
8!H-
<<G)
Type
Description
Power Supply Pin.
$
Mode Select. /00 1 ' %' & &(, (%
( 2:!. ' '(, (% ( > 3( %'
/.0 1
Output Port 2 (General Purpose Output). (% (
' % ' *(, *'( % /
%( ." " ' '61 # /
'( 8 ' '61
Output 3 (Active low). , % ,
% # / ) %( "
' '61 # / ) '( " ' '61 #
( / -( &1
$
$
$
Transmitter Serial Data Output (Channel B).
% %(,(*(' ( * ' ' (% %( *(%
(% (% ( / (, 1 6(, % 3
%( (% (# (%# 3 ' (%
(, ( ' <+)= $* "
%( ' '6 (% %'(*(# 8)# %(
(% % (* * %( (* ,(%
*(, , * (% ' '6
Receiver Serial Data Input (Channel B). %
%(,(*(' ( * ' ' (% '( *(% $*
" '( ' '6# 8)# (% %'(*(#
%( ( (% % (%(, , * (%
' '6
Crystal Output or External Clock Input. (% ( (%
' '( * %( * '&% ''(
, 3 ( %'( (% % $*
%'( (% %# " ' '6 %(, %
%( (% (
$ * 80.0@ (' *'( &#
% % %& %(, 3( *I'(% 3
;J 0 ;J (% I( ' &
( '&% %'( & " <'
( ' '6 %(,
Crystal Input. '( * %( * '&%
%( * 8-<= $* %'( (% %# ''(
% % ' ' * (% ( ,
(% ( % * (* " ' '6 (% %
( 8-<= (
Output 4 (General Purpose Output). (% (
' % ' *(, *'( % '( 3
/'(&-$ 1 ((' *
8!H-<<G
Output 5 (General Purpose Output). (% (
' ' *(, *'( % '( 3 /'(
&-$ 1 ((' * )
8!H-<<G)
9