参数资料
型号: XR68C681CJTR-F
厂商: Exar Corporation
文件页数: 9/75页
文件大小: 0K
描述: IC UART CMOS DUAL 44PLCC
标准包装: 500
特点: *
通道数: 2,DUART
FIFO's: 1 字节,3 字节
电源电压: 5V
安装类型: 表面贴装
封装/外壳: 44-LCC(J 形引线)
供应商设备封装: 44-PLCC(16.59x16.59)
包装: 带卷 (TR)
其它名称: XR68C681CJTR-F-ND
XR68C681
@
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Input Port
Change
Delta Break
B
RXRDY/
FFULLB
TXRDYB
Counter
Ready
Delta Break
A
RXRDY/
FFULLA
TXRDYA
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
Table 5. Interrupt Status Register - (ISR) Bit Format
(- ($ ' + % (% (% $+($
ISR[7]: Input Port Change of State:
#+ (% ( (% -(' HI" H'- + %I %
$'$ #, #,1 (% % $ %(' (%
( & $(- #, (+ #M@N J #M@N (%
'$ , % $ #, *& $(-
#," % ( $(4
($(($ # , ( '-$ %
+( % + ($ ( %" +(-
- +
$($ $%'(( + #," % %
Section E
,% ( $ (% ( '$(("
% % $ (-%4
A( ( $ ( +
!((& -(%" M14N # (% %"
% (% %'(+&(- (' ( (% %$ (--
H# , -I ( C%
A( -(' HI #M@N
ISR[6] Delta Break Indicator - Channel B:
A (% ( (% %" ( ($('% ' * '(
% $'$ -((- $ + '($ 3
(% ( (% '$ % , (3%
' * H22 *27 9802 #82 ,I
'$
(+( ( .%
%% *27 '$((" % % Section G.2
ISR[5] RXRDYB/FFULLB - Channel B Receiver
Ready or FIFO Full
+'( + (% ( (% %'$ & -(-
*M/N
#+ -$ % '( $&
($(' 5E*" ( ($('% %
'' + $ (% ( 9* $ (% $& $ &
, (% ( (% % '' (% %+$
+ '($ %(+ -(% 9* $ (% '$
, $% 9* #+ %(
''% ( 9* + $ (" ( (
% -( + 9* (% H$I
#+ (% ( (% -$ % # ($(' ::*"
( (% % '' (% %+$ +
9* $ %+ '%% 9* ' + (%
( (% '$ , $% 9*K $ &
H(-I # " 3(- + ! '' #+
'' (% ((- ( '% 9* (% +"
(% ( ( % -( + $ ("
'' (% $$ ( 9*
ISR[4] TXRDYB - Channel B Transmitter Ready
(% (" %" ($('% 9* (% & $ (%
$& '' '' + , ( (%
'$ , (% '' 9*K
$ (% % -(" '' (% %+$
5E (% % %( (% (((&
$ $ (% '$ %( (% $(%$
'% $$ ( 9* ( %( (%
$(%$ ( %($
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