|
XR68C681 Datasheet, PDF (24/75 Pages) Exar Corporation – CMOS Dual Channel UART (DUART) | |||
|
◁ |
XR68C681
5
5*
#,
M=/N
(($ & /
,% -(%%
" :
.
((
(($ & /
5.:7
5
%'(
('(
*(
0
M@N
#,=
!
#,1
!
14
5
!
14
5
!
14
5
!*
#,6
5*
#,
5*
14
5
!*
Figure 5. Block Diagram of DUART Timing Control Block
Figure 5 %
% '3 $(- + ((
- '
'3 + 5/</< $('
2'
+ ((
- '
'3 (% $(%'%%$ (
+(
- %'(
D.1 Oscillator Circuit:
'&% %'( (% &('& '
'$ !
&
'%% 5.:7
$ 5 (
% %'( '('(
( (
' ( +
'(
% % $ + %
'&% %'("
$ ++% %(
- %'((
-
%(-
" + % & ( -
"
$
.(
'&% : %(-
+C
'& +
9G
$ = 9G (% C($ +
(
+
9" '&% : %(-
+C
'& + 1/</= 9G (% C($ + -
(
+
%
$$ ( % & ( -
Table 3
Figure 6 %
% '
$$ %' (' +
5
: %'( '('(& #+ % $%(%
%
% + %(
- '&% %'("
Figure 7 %
%
'
$
'%%&
'('(& ''(% (% L'(
=
|
▷ |