參數(shù)資料
型號(hào): XR68C681P-F
廠商: Exar Corporation
文件頁(yè)數(shù): 48/75頁(yè)
文件大?。?/td> 0K
描述: IC UART CMOS DUAL 40PDIP
標(biāo)準(zhǔn)包裝: 9
特點(diǎn): *
通道數(shù): 2,DUART
FIFO's: 1 字節(jié),3 字節(jié)
電源電壓: 5V
安裝類(lèi)型: 通孔
封裝/外殼: 40-DIP(0.600",15.24mm)
供應(yīng)商設(shè)備封裝: 40-PDIP
包裝: 管件
XR68C681
6
( '' (% (- %((G$ $ ++'
%(%%( + '' (% (%
+ (%$ ( Figure 24 $ Figure 26
MR2n[3:0] - Stop Bit Length
(% ( +($ -% $( + % (%
$$ ' %($ ''
(
$( + ./ ( ( $ ./ ( (%" (
('% + ./ (% ' -$ + ''
-% + /" @ $ < (% 6 ( ''" % (
$( ' -$ + ./ ( (%
#+ ! ! ''3 (% -$ + %(
''3 5" M1N J %'% % ( $( +
( ( $ M1N J %'% $( + (
(% + %(%%(
'( & ''3% + 3 '$(( '
+ +(% % ( (%" ( ( + % $
(& ( (% %$ -$%% + -$
%($ % ( - #+ '( $% %
H3I H 2I 2 (% +--$ ( %
-(%
G.4 Status Register, SRn
%% -(% ($% % ( %%
9 $ 9 '( $ %(
# %"
%'(&K $ %% ($ , (
% + C(& + '( + $ &
'(
# %% ($('% %+ ( $
%&%% $ % , ''3 $ % (+
%( (% & $. (% $& + $ +
, # %% ($('% % ($('
9 % ''" (' (% ((- $
& , " (% + $ (' + '((- &
''% ( %( $
'( # %% ($('% '$ (
( + %% -(%
( + %% -(% % % +
& $ '( % (+ + %
-(% $ $(%'%%( + ' ( +%4
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Received
Break
Framing
Error
Parity Error
Overrun
Error
TXEMT
TXRDY
FFULL
RXRDY
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
J8
JE%
Table 19. The Bit Format of the Status Register’s SRA and SRB
SRn[7] Received Break
(% ( ($('% G '' +
-$ '' - % '($ (
% ( & %(- # %(( (% ''($
3 (% '($