XR82C684
Pin #
68 Pin PLCC
B
Pin #
44 Pin PLCC
B
Symbol
8!!
0
0
8!!
!=:
.0
$5
00
4
$=:
.0 ?
Type
$
$
Description
Receiver Serial Data Input (Channel D). %
%(,(*(' ( * ' ' (% '( *(% $*
" '( ' '6# 8!# (% %'(*(#
%( ( (% % (%(, , * (%
' '6
Transmitter Serial Data Output (Channel D).
% %(,(*(' ( * ' ' (% %( *(%
(% (% ( (, 6(, % 3
%( (% (# (%# 3 ' (%
(, ( ' <+)= $* "
%( ' '6 (% %'(*(# 8!# %(
(% % (* * %( (* ,(%
*(, , * (% ' '6
Data Transfer Acknowledge (Three-State, Active-
Low). %%% != ( (*
+ % 5! E$5 ( (%
& ' .0 (& * +% I(%
(% %(, * (% ( ('% ( I('6&
& ' 5! E$5 '&'
$* %%% != (, 5!
( # ( (('% + I% (%
% $* != (% %% (, $
'6 3, '&'# (% (* (,
+ ' % * $> $ >' ,
(% ( %
$* %%% != (, E$5
'&'# ( (% (* (, + #
%# % ' ( % ** *
('
Interrupt Enable Output (Z Mode; Active High). (%
( (% & / (, 1 ; 3# ( *
* 3(, 3 ' (( % ' '% (% (
, ,, / 31
$* $5$ $ 5 $ ( (% / 31 $* $5
(% / 31 '% * $5$ (# $5 3( ,, / (, 1
' $5$ ( % ,, / (, 1
% (%% $ I%
+ $: ( (% ,, / 31 $* $5 (% / 31
'% % I% $#
$5 3( ( / 31# , $
(' (# ( + % ( 6
/55 $1
Interrupt Acknowledge (Active Low). (% ( (%
+K% % % ( I% (%% &
(' E + %%% (% (# (
(('% K% ( I% (%
%('# & " % '&' 3(
( '6 3, $= '&' 3(
% +K% ( '6 3, %(, &
'(, ' % * $ >' ,(%
$> % ! !B
B