si4430 Silicon Laboratories, si4430 Datasheet - Page 28
si4430
Manufacturer Part Number
si4430
Description
Si4430 Ism Transceiver
Manufacturer
Silicon Laboratories
Datasheet
1.SI4430.pdf
(152 pages)
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Si4430
The previous equation should be used to calculate the desired frequency deviation. If desired, frequency
modulation may also be disabled in order to obtain an unmodulated carrier signal at the channel center frequency;
see "4.1. Modulation Type" on page 32 for further details.
28
Add R/W Function/Description
71
72
R/W Modulation Mode Control 2 trclk[1] trclk[0] dtmod[1] dtmod[0] eninv fd[8] modtyp[1] modtyp[0]
R/W
Frequency Deviation
fd
[
fd[7]
: 8
Figure 9. Frequency Deviation
D7
f
carrier
] 0
fd[6]
D6
f
625
Preliminary Rev. 0.4
f
Hz
fd
[
?f
: 8
fd[5]
D5
f
] 0
=
625
peak deviation
fd[4]
D4
Hz
fd[3]
D3
Time
fd[2]
D2
fd[1]
D1
fd[0]
D0
POR Def.
00h
43h