参数资料
型号: XR82C684J-F
厂商: Exar Corporation
文件页数: 19/107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
Bit 7
Description
Bit 4
Bit 5
Bit 6
Start Break:
'% 8! 3 %( % %
6 $* %( (% &# % * 6 & & 3
( (% $* %( (% '(# 6 ,(% 3 %(%%( *
% ''% ( ; (% ' # (J# 85+ % *
6 3( ,(
Stop Break:
8! ( 3( , (, 3(( 3 ( (% 8! 3( ( (,
* ( ( * " ''# (* &# (% %(
Set Rx BRG Select Extend Bit:
% ' K% /'( )2 ' 5"
)(1
Clear Rx BRG Select Extend Bit:
% ' K% /'( )2 '
5" )(1
Set Tx BRG Select Extend Bit:
% ' K% /%( )2 '
5" )(1
Clear Tx BRG Select Extend Bit:
% ' K% /%( )2 '
5" )(1
Set Standby Mode (Channel A):
E (% ' (% ( 6 (
,(%# 3 (% * ' * %(%# '(%#
' -( (( '('(% ' ( %& 3
3 Please note that this command effects the operation of the entire
chip. Normal operation is restored by a hardware reset or by invoking the “SET
ACTIVE MODE” command.
Reset IUS Latch (Channel B):
E (% ' (% ( 6 ( )
,(%# (% (, ( ? # ( '%% $
(' $ ' % (%# ( # 3( '% $5
,, /(,1
Select Direct System Clock (Channel C):
3(, 3 55# ( ( 6(, (% ' # (%
(, ( /!(( &% '61 '(*(' &# (% % %'(
' '6 *I'& (% (( & 3 # ( (, ,
( * ((, ) '6 $* % ( /!(( &%%
'61 # '( * * ' % 3( * *
% ( Table 15 Table 15A $* % ( 6% (% ' (
,(%# (% /!((&1 3 6 (% *
/((, %(, 1 # % 3( '( %# %'(*( ( Table 15
Table 15A
Set Active Mode (Channel A):
E (% ' (% ( 6 (
,(%# (% * & %%
(
Set Z-Mode (Channel B):
E (% ' (% ( 6 ( )
,(%# (% ' ((
( ? (
(%'%%( * K% ( 3( ( ? # + % % Section
C.6.2
( * 00 &
Select Divided System Clock (Channel C):
(% ' (% % * / ' !(' &%% '6 1 '
(% ' 3( /(( & 1 3 6 ( )2 ((, %(,
**' * (% ' (% ' & * * %
( Table 15 Table 15A Please note that this command effects the baud rates
for all four channels of the QUART.
Reserved
Reserved
Table 2. Miscellaneous Commands, Upper Nibble of All Command Registers, Unless Otherwise Specified
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