|
XR88C681 Datasheet, PDF (27/99 Pages) Exar Corporation – CMOS DUAL CHANNEL UART (DUART) | |||
|
◁ |
XR88C681
'3 0
(% %
%( + '
$((
(
-
$
-
(
-
'%%& ((
- %' + ==
," + !
'&% == &%
(% %
%( + ++(
- ($('(
*%
$$((
&" %(
' == , $(' $%
$('& ($ '
% %(-
%" == (' (%
%
%( +
%(
- %(-
(
- (
+(
" +
==
$('" (
+(
-
*% %(-
%L (
$ ''%% &
$ ( $('%
#7
#
'3
$-
2 & $
2B & B(
# #
, $
#B , B(
Figure 6 %
% %' (' + ==
, $
7:
,8# 9
G#7
2#7
A;
A6;
07
07
A6;
6;
A;
8224
Clock
Generator
8080A CPU
6
89
#7
#72
B
*#7
89
B
#
1
2
G
<
6
22
/
>
G7
*2
07
A6;
*27
1
<
8228 6
System /
Controller >
#7
2
2B
#
#B
Figure 6. Schematic of 8080A CPU Module
8080A CPU Module Interrupt Structure
C#
'D + ==
, (% $%'($
==
, $(' '
%(%% + %(-
%4
#72
$ #7
$$((
&" == *(('(
*%
'
%(%% + %(
- %(-
" #7
#72 (%
'( (- #
2
"
$ #7 (%
'( (- #
E% (
#+ C2
#
D '
$ %
(
3$" #72
( C (- D (
$('(
- == , (
(
E%% + ( % B
#7
(
(% %%$ & ( $(' E%(
-
(
" , ( ' (% '
(
%'(
+ '(
+ (% (
%'(
" , $ (
%% #7
( == *(('(
*% (
& --(
- #7
CD #7
(% '( C#
'3
$-D %(-
, $ % (
>
|
▷ |