|
XR88C681CP Datasheet, PDF (26/99 Pages) Exar Corporation – CMOS DUAL CHANNEL UART (DUART) | |||
|
◁ |
XR88C681
#7
B
,
>
92
,
=
6
8051 CPU
><81>1
)
1
6
>
$$%%
'$(
-
9-('
.
#%
#7
B
>
1
XR88C681
Figure 5. An Approach to Interfacing the XR88C681 DUART to the 8051 Microcontroller
'('(& %
$ Figure 5 $ +
'(
% +%
$(
-
E%$ (
$('
E%%
(
+ , & %%(
- (% '(
#7 (
(% ( '% #7 (
(
, - B
(%
% =6 , (
+(
(% !'(
- (% '
(
%'(
"
$ (
' - '
(
%('
(
#
'% + Figure 5" %(
'
H% #7
(
(% ($ #7 (
+ ⢠"
-(
(
- +
(
%(' (
( '$ (
18 (
'$ & =6 , $%
(%%
#
'3
$- %(-
'3
# ( M% -(
'%%(
- -
H% (
%('
(
' , % ((
$ '%% +
(
E%"
H% #7 (
(
-$
- C (- D
$ , (
+ (
%(' (
$ %
(
C.6.1.2 8080A Microprocessor
==
(''%% (%
+ ( %(
+
#
'%%% #
-
" ( (%
=(
(''%% E(% A6;" 6;"
$ A;
%(%
$$((
&" (% (''%% E(%
' (%" (
$ ' C'D , $
&('&" % $('% $ =< '3
0
$ == &%
=<
/
|
▷ |