参数资料
型号: XR82C684J-F
厂商: Exar Corporation
文件页数: 54/107页
文件大小: 0K
描述: IC UART CMOS QUAD 68PLCC
标准包装: 19
特点: *
通道数: 4,QUART
FIFO's: 3 字节
电源电压: 5V
安装类型: 表面贴装
封装/外壳: 68-LCC(J 形引线)
供应商设备封装: 68-PLCC
包装: 管件
XR82C684
9
C.6.3.2 8086 Microprocessor
00. (' '%% (% . ( (' '%%
*' & $ ( Figure 24 %%
( (, * (% $ Please note that in this
figure, pins 24 - 31 have some additional labels, located
off to the right of the package. These additional labels will
be explained later in this text.
$ 3 , ,% 6 ( ' * (% $
3 & ( "(, *'( % * & * % (%
(% (' ' %(%% * . ( ! )% (
%% )% ! )% (% ( " 3( 3
. %% )(% 9 * ! !9 %%
)(% . ( " 3( %% (% 4 .
* .-4# B-@# 0-9 -. * %
(% %% (% (, *(% * * &
'&' ; 3# (, %' * * &
'&' # % (% 6 ( *'( %
,# ! !9 ' % ! !9# .-4 -.
' % 4 . %' , * ( " (% (%
' & :-8 ( ( E (% ( (% (,#
/(1 (% % ' (% @ , 4 6
' *((( % % 3 :-8 L
' ( Table 11 E 00. + % ( (%
# ( %% ' % & %(( *
009 +# I(% & %% ' ' '6
, * +
Figure 24. Pin Out of the 8086
Microprocessor Device
2:!
!@
!4
!
!0
!B
!.
!9
!@
!4
!
:$
$:
<=
2:!
55
5!H
5
<=
-2
!
:-8
);5-B
-.
0-9
B-@
.-4
!9
>
8086 CPU
9
.
B
0
.
9
@
4
4
@
9
.
B
0
@
4
40
4B
4.
49
4@
44
4
4
@
4
0
B
$:
<5
!5:
!-
-$
E
;<!
E :-8 (% 3# 00. + (% (, (
/"1 (% (% ( * ' "
('( % ( 3(' 00.+ I(% % *
00B (' '%% :!+ $ (% #
%'( % ' 000 (% I( ,
& $- ' % %(, %
00. + ' (% 3 ( I% (%7 $:
:$ :$ (% '((, / %6 1 (
I% (. $: (% /%6 1 (
I% ( $* 00. + (% (, ( /(1
# $: $ '6 3 , ( (%
( +( @ % Figure 20 ; 3# (*
00. + (% (, ( /"1 # $:
%(, % ( * # # (% (
000 % ' Table 12 %% '%%
%% 000 '( % % # #
/"1 %% %(, %
Pin Number
MN/-MX = 1
(Min Mode)
MN/-MX = 0
(Max Mode)
@
;<!
-2
9
;<!
-2
.
E
<=
B
-$
0
!-
!5:
4
<5
4
$:
Table 11. MN/-MX Mode and Function of
Pins 24 - 31 of 8086 CPU Device
-S2
-S1
-S0
Processor State
8288 Active
Output
$ '6 3 ,
$:
$- +
$
E( $- +
$E
;
:
''%%
!
&
!
E( &
E
+%%(
:
Table 12. 8086 Processor State/8288 Bus Controller
Active Output as a Function of -SO, -S1 and -S2
Figure 25
Figure 26 % 00. + #
3
(, ( /(1 /"1 %#
%'( &
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