SI2109-D-FM Silicon Laboratories Inc, SI2109-D-FM Datasheet - Page 59
SI2109-D-FM
Manufacturer Part Number
SI2109-D-FM
Description
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI2109-D-FM.pdf
(98 pages)
Specifications of SI2109-D-FM
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Compliant
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Register 17h. Fine Tune Frequency L
Register 18h. Fine Tune Frequency H
Name
Name
Bit
7:0
Bit
6:0
7
Bit
Bit
D7
D7
0
Reserved
FTF[14:8]
FTF[7:0]
Name
Name
D6
D6
D5
D5
Fine Tune Frequency (Low Byte).
where FTF is stored as a 2s complement value.
Calculation of the fine tune value is determined by the reference soft-
ware driver.
Default: 00h
Program as shown above.
Fine Tune Frequency (High Byte).
See Register 17h.
Rev. 1.0
D4
D4
FTF[7:0]
FTF[14:8]
D3
D3
f
fine
Function
Function
=
FTF
Si2107/08/09/10
×
D2
D2
------- -
2
f
14
s
D1
D1
D0
D0
59
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