參數(shù)資料
型號(hào): XR88C681
廠商: Exar Corporation
英文描述: CMOS DUAL CHANNEL UART (DUART)
中文描述: CMOS雙通道UART(杜阿爾特)
文件頁數(shù): 59/99頁
文件大小: 1913K
代理商: XR88C681
XR88C681
6
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D.6 Application Examples using the Timing Control
Block
# $ '(+& % + %%% (( ((-
*'3" !% ('$$
Example A: Using the BRG
% %(%% '($%($
+ 63% (
+(-4
% % $
%
1/=/< 8I '&% %'( '%%
5.9: $ 5 (%L $((- 1/=/< 8I 9
%(- ( 5.9: ( ( 5 ( +(-
B(
/
$ -(% (% % ( %
%( *0 ' 2!$ ( 5 J
1 B( =
/
$ -(% (% % ( %
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< B( !!!!!!!
S
(% % %'% C*( D
Table 18
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B
$% C$H 'D + (& !%%(
%++(! $% (& !%%(" $ !
6 B( ==
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Table 17
$
/
(% % %% '( $
63%
Table 18
+
Example B: Programming the Bit Rate via the
Counter/Timer
% % (%% %( $ '( $
/63% ( *
bitrateisnotofferedbytheBRG
#(%'% %'
$ +(-
Please note that this particular
( < 8I 9 %(- ( 5.9: (" (
5 ( (% + +(-
B(
/
$
/
9 (% %%
%% (
+E'& J < 8I.
. -(-
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NO J 8I
1 B(
N/4<O (% ( % . (
( $" $ %' ((- %' + .
5.9: (
< B(
/
* (% ( %'(+& ((-
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( $($+ .
DUART is programmed in this configuration, the C/T
output represents a 16X over sample of the
Transmitted and Received data
+" '(
'('(& ( $(($ 8I %E & /" M%
(3 + ''3 %(-% (-((- + *0
Pleasenotethatwhenthe
%4 *( J 8I./ J /63%
Example C: Using the External Input Ports
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(-
*
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2! *" - ( +(-4
B(
!!!!!!
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,1
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