LMX2581E_15 Datasheet, PDF (41/55 Pages) Texas Instruments – LMX2581E Wideband Frequency Synthesizer with Integrated VCO

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8.6.1.11.5 PLL_NUM[21:12] and PLL_NUM[11:0] — PLL Fractional Numerator
These words control the numerator for the PLL fraction.
PLL
_
NU
PLL_NUM[21:12]
M
PLL_NUM[11:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...
.
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.
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.
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.
4095 0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
4096 0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
...
.
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4194
303
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
LMX2581E
SNAS665 – MAY 2015
0
0
0
0
0
0
0
1
.
.
.
.
1
1
1
1
0
0
0
0
.
.
.
.
1
1
1
1
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Product Folder Links: LMX2581E
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