XR82C684CJ View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XR82C684CJ' PDF : 107 Pages View PDF
XR82C684
Bit Bit Bit C/T
6 5 4 Mode
Timing Source
5" $ $+
8 8 '6 *
%(
8) 8 '6 *
) %(
8-<= $ !(( & .
( 5" $ $+
(
5" $ $+# !((
& .
( 8-<= $
( 8-<= $ !(( & .
Note: The “shaded” options are only available in the 68 pin
PLCC.
Table 13. ACR1[6:4] Bit Field Definition - C/T#1
Bit Bit Bit
654
C/T
Mode
Timing Source
5" $ $+
8 8 '6 *
%(
8! 8 '6 *
! %(
8-<= $ !(( & .
( 5" $ $+
(
5" $ $+#
!(( & .
( 8-<= $
( 8-<= $ !(( & .
Note: The “shaded” options are only available in the 68 pin
PLCC.
Table 13A. ACR2[6:4] Bit Field Definition - C/T#2
" ( Sections D.3.1 D.3.2 , (' & * %
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D.3.1 Timer Mode:
Please note that of the two C/T Modes, the Timer Mode is
the only mode which is relevant to the function of Bit Rate
Selection. However, for completeness, the Counter
Mode is also discussed below.
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Frequency of Selected Timing Source
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