XR68C681 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XR68C681' PDF : 75 Pages View PDF
XR68C681
+ ' ' (% '' %% $ ' .%
( (% ( (% % &
$ 22 & H22 ,#82I
' $ ( 3 $ ( ' .% ' $ -(%
+ & $ ( " ( (
('& (
Bit 7
Bit 6
Channel Mode
J 8
J 2'
J : ' :
J :
Bit 5
Tx RTS
Control
J 8
J E %
Bit 4
CTS Enable
Tx
J 8
J E %
Bit 3
Bit 2
Bit 1
Bit Length
Bit 0
J 6/1
J /6
J /<<
1 J @6
= J <1
6 J <@6
/ J 1<
@ J
< J 6/1
J /6
J /<<
* J @6
J <1
J <@6
2 J 1<
J
Table 18. The Bit Format for Mode Registers MR2A and MR2B
MR1n[7] - Receiver Request to Send Control
$( (&" C % $ (% %% $ - $
& ( 3(- H2 , , *# 8I
H:2 , , *# 8I (
( 9 " (+ M@N J (% % "
' ( ( ' -( +
'(+('&" % (- (% ( (
' ( - (+ (% 9 (% + (% H+
' I ' (C (% % + ( (- ' (
%
Figure 24 % % $(- (' (% %
' ( ' $ C % % $ ' +(- ( $
+'(
MR1n[6] - Receiver Interrupt Select
(% ( % '% ( 5E %% ( ::
%% ( + ' % $ % ' ( ( +
- (- ( C % , " #MN +
' $ #M6N + ' *
MR1n[5] - Error Mode Select
(% ( ' % ( + # %% (%
,2" 2" ' ( $ * 3 + #+ (% ( (% %
HI" (% (' ' ( (
H ' I $ #+ (% (% (% % HI" (%
(' ' ( ( H* '3I $
# ' ' $ % %% (% & &
' ' (% ' & + # #
'3 $ " % (% % '( -('
+ %% + ' ' % ' (- +
# %(' % H22 2 I ' $
+ ' % (%% $
MR1n[4:3] - Parity Mode Select
#+ HA#9 ,#EI H 2 ,#EI ( (%
- $" (& ( (% $$ $ %( $
' ' % $ ' ( + % (& ' '3
' ( $ ' ' % Section H.2 + $ %' (( +
( $ (
=@
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