參數(shù)資料
型號(hào): XR82C684J
廠商: EXAR CORP
元件分類(lèi): 微控制器/微處理器
英文描述: CMOS QUAD CHANNEL UART (QUART)
中文描述: 4 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC68
封裝: PLASTIC, LCC-68
文件頁(yè)數(shù): 63/107頁(yè)
文件大?。?/td> 2244K
代理商: XR82C684J
XR82C684
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%'(*& * 3(, %7
Table 15
Table 15A
'%* %
PBQ PBQ % %(,(*(' ( ) *
"((& ,(%%
8 5" (
PBQ PBQ ) * "((&
,(%# ' %(& , &
3((, """"""" """"""" # (
% '# %'(& : 7
% (& "%%( " L K '
%**("
X - The Select Extend bit
5' %( '(# 3(( %
" (
'
(
, (% (* ( '
Table 16
%(J% % ' %# ( **'
5" (%
% ' & 3((,
'K% ,(%
* (
Table 2
Register
Contents
Resulting Action
,(% #
0
" )2 ' 5" )( 8 L
,(% #
" )2 ' 5" )( 8 L
,(% )# )
" )2 ' 5" )( 8 L
,(% )# )
)
" )2 ' 5" )( 8 L
Table 16. Command Register Controls Over the Extend Bit
Note:
If the user programs either nibble of the Clock
Select Register (CSRn[7:4] or CSRn[3:0]) with
values ranging from 0
16
to C
16
, then the user is
using the BRG as a source for timing. How-
ever, these standard bit rates (presented in
Table 15) apply only if the X1/CLK pin is driven
with a 3.6864 MHz signal. If a signal with a
different frequency (fo) is applied to the X1/CLK
pin, then the QUART channel is running at the
following baud rate:
P
Table
9
Baud Rate Value
Q T
fo
4.0.@
MHz
( * (% 3 ;J B4B0 ;J
Actual baud Rate
=
(( &# % ( '% * % %#
' *I'& * ' '6 %(, 3( . (% %
%
<(63(%# ( %# * )2% % % (
Table 15A
& & (* 8-<= ( (% ( 3(
B4B0;J %(, $* %(, 3( (** *I'&
* (%( 8-<=(# '
(% (, * 3(,
Actual baud Rate
=
P
Table
9
A Baud Rate Value
Q T
fo
B4B0
MHz
( * (% 3 ;J B4B0 ;J
(&# % ( %# , & )2%#
%(
(% (, ( /!(' &%% '61
%
Table 2
/!((&%% '61 #
* * % (
Table 15
Table 15A
#& &(*
$*
(% (, (
3(
Table 15
Table 15A
1X vs 16X Clock Signals
% /8 '61 /.8 '61 (
, (% " * # ( (% ( (%'%%
(
(,
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%% '( %( & *' * .
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/.8
' '61
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,
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%(
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Figure 33
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參數(shù)描述
XR82C684J/44 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:CMOS QUAD CHANNEL UART (QUART)
XR82C684J/44-F 功能描述:UART 接口集成電路 Quad Channel UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR82C684J-F 功能描述:UART 接口集成電路 Quad Channel UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR82C684JTR/44-F 功能描述:UART 接口集成電路 Quad Channel UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR82C684JTR-F 功能描述:UART 接口集成電路 Quad Channel UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel