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Word1
CDCM7005
SCAS793A–JUNE2005–REVISEDJUNE2005
bitbitnamedescription/functionpoweruppinaffected
情况
BGAQFN
0C0RegisterSelection1
1C1RegisterSelection0
2outsel0output(yx)sig-foroutputy0a,y0b:1f1,g146,47
nalingselectionlvpecl=enabled[1];lvcmos=enabled[0];
3outsel1foroutputsy1a,y1b:1h2,h33,4
lvpecl=enabled[1];lvcmos=enabled[0];
4outsel2foroutputsy2a,y2b:1h4,h57,8
lvpecl=enabled[1];lvcmos=enabled[0];
5outsel3foroutputsy3a,y3b:1h6,h711,12
lvpecl=enabled[1];lvcmos=enabled[0];
6outsel4foroutputsy4a,y4b:1g8,f816,17
lvpecl=enabled[1];lvcmos=enabled[0];
7OUT0A0OutputY0ModeOutputY0AModeBit00F146
8OUT0A1OutputY0AModeBit10F146
9OUT0B0OutputY0BModeBit00G147
10OUT0B1OutputY0BModeBit10G147
11OUT1A0OutputY1ModeOutputY1AModeBit00H23
12OUT1A1OutputY1AModeBit10H23
13OUT1B0OutputY1BModeBit00H34
14OUT1B1OutputY1BModeBit10H34
15OUT2A0OutputY2ModeOutputY2AModeBit00H47
16OUT2A1OutputY2AModeBit10H47
17OUT2B0OutputY2BModeBit00H58
18OUT2B1OutputY2BModeBit10H58
19OUT3A0OutputY3ModeOutputY3AModeBit00H611
20OUT3A1OutputY3AModeBit10H611
21OUT3B0OutputY3BModeBit00H712
22OUT3B1OutputY3BModeBit10H712
23OUT4A0OutputY4ModeOutputY4AModeBit00G816
24OUT4A1OutputY4AModeBit10G816
25OUT4B0OutputY4BModeBit00F817
26OUT4B1OutputY4BModeBit10F817
27srefstatusref.displaysthestatusofthereferenceclockatthe0c823
状态_refoutput[0]
displaystheselectedclock(highforpri_refand
lowforsec_refclock)atthestatus_ref
output[1]
28sxoirefstatusvcxoorselectsstatus_vcxo[0]0d8,a822,25
i_ref_cp
selectsi_ref_cp[1]whichenableexternalrefer-
enceresistorusedforchargepumpcurrentand
analogplllockdetectoutputcurrent.
29adlockanalogordigitalselectsdigitalpll_lock[0]0a825
lockselectsanalogpll_lock[1]
3090div490degreeshift90degreeoutputphaseshiftindiv-4modeon[1];0yxyx
div-4off[0]
(1)
3190div890degreeshift90degreeoutputphaseshiftindiv-8modeon[1];0yxyx
div-8off[0]
(1)
(1)thep16-divhastobeselectedtoobtainthe90degreephaseshift.ifbit30orbit31isset,thediv-用-16modeisnolongeravailable.
theoutputsareswitchedinpairs.onlyonebitcanbesetatatime.ifbothbitssetto[1]atthesametime,no90degreephaseshift
modeisselected(equaltooff-modesetting).
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