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XR68C681 Datasheet, PDF (13/75 Pages) Exar Corporation – CMOS Dual Channel UART (DUART) | |||
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XR68C681
Address
(HEX)
Read Mode Registers
Register Name
Symbol
$ -(%" '
"
% -(%" '
%3$ #
%
-(%
1
! 9$(
- -(%"
'
=
#
,
-
-(%
6
#
% -(%
/
.(
*& -(%
@
.( :
*& -(%
<
$ -(%" '
*
% -(%" '
*
22;2
#
9
#,
#
:
*" *
*
*
! 9$(
- -(%"
'
*
#
;' -(%
#
,
9*
#;
#,
2
.(
$
.(
$
Write Mode Registers
Register Name
Symbol
$ -(%"
'
'3 ' -(%"
'
$ -(%"
'
! 9$(
- -(%"
'
!((&
-(%
"
9
#
%3 -(%
.(
*& -(%
.( :
*& -(%
$ -(%" '
*
'3 ' -(%"
'
*
$ -(%"
'
*
! 9$(
- -(%"
'
*
#
;' -(%
,
+(-(
-(% , ,@
, *(%
$
, *(%
$
#
:
*" *
*
*
9*
#;
,
,*
,*
Table 1. DUART Port And Register Addressing
Note:
The shaded blocks are not Read/Write registers but rather, âAddress-Triggeredâ Commands.
1
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