XR82C684CJ-F View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XR82C684CJ-F' PDF : 107 Pages View PDF
XR82C684
Table 1 ((' % ' ' (% I( 3( 3
,(% % %% '( 3( ' * %
,(% ( % (% / ,(% 1 ( (
' (-%&% 3 55 ' ( (%
/ ((, 1 ' ,(% Please note that
the suffix “n” is used at the end of many of the QUART
registers symbols in order to refer, generically, to any one
of the four channels ; 3 # ' % *
( 3( % (* * %% * ,(%
* ,(% # ( ( & * 3(, &
E ( '' %% ,(% ( 3(
' ( / ( 1 ,(% ( 3
% '' % ( /55 +$:51 '
% ( 6 /55 +$:51
' ' (%% & 3 ((, (
( ' K% ,(%
* # ,(% %# 3( ( ,( ' #
% ,(' %% * %
*'( % * ' &
,(% % (%'%% ( ( ( Section G.3
B.2 Command Decoding
5' ' (% I( 3( ,(% $
, # * % ,(% %
-(% %( # -(%
' ( # , 3( *'( ((, % ( % *
(%' % ' ' ( ' %
( * * ' ,(% (% % 3
CRA, CRB, CRC, CRD
Bit 7
Bit 6
Bit 5
Miscellaneous Commands
3(, "
Bit 4
Bit 3
Bit 2
Enable/Disable Receiver
L : ,
L 5 "
L !(% "
L : ( %
Bit 1
Bit 0
Enable/Disable Transmitter
L : ,
L 5 "
L !(% "
L : > ( ! %
*'( * 3 ( *
,(% % (% *( & % (, * 3 (% ( (% %
( (% %( - ' (
( * ,(% (% %
( 6 % ( % * (%' % ' % Table 2
*( % ' % %% '( 3( ( *
,(% % Please note that the upper nibble
commands 116 through B effects only the performance of
Command Register’s Channel. However, commands C
and D effects system (or chip) level operation.
Bit 7
Bit 6
Bit 5
Bit 4
Description
Null Command:
Reset MRn Pointer: % % K% ( (
Reset Receiver: % ((( ' ' ( % (* ; 3 % %
( ' ( (% (% $ (% * %
Reset Transmitter: % % ((( ' %( % (* ; 3
% ( 8! (% * ' (,
Reset Error Status: % ' ( ) 6 )# + (& 5 +5# (,
5 5 5 5 %% (%# PB74Q
'(*(' &# (* 5 # * (' ' (% % /) '61 5 #
(% ' 3( % * ' ( 5 $(' % ( % ,(% $
) '6 5 # ' ( +5# 5# 5# ) '' %# 3( '
( * ,, ( % ,(% # ( (% ' (% (%%
$* 5 # * (' ' (% % / ' 5 1#
' % * % ,(% * +5# 5# ) * ' ' ' &
' ' %(% $ / ' 5 1# % * % ((' % (%
% & ' ' (% * ;
: 7 5 ((' (% 3&% % % /) '6 5 1 ((' #
I( % (% ' %
Reset Break Change Interrupt: % ' K% 6 ' , ( %%
(# 3( ( ( $ % ,(%
0
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