RFM31 Datasheet, PDF (125/137 Pages) –

RFM31
Register 76h. Nominal Carrier Frequency
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
fc[15:8]
Type
R/W
Reset value = 10111011
Bit
Name
7:0
fc[15:8]
Function
Nominal Carrier Frequency Setting.
See formula above.
Register 77h. Nominal Carrier Frequency
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
fc[7:0]
Type
R/W
Reset value = 10000000
Bit
Name
7:0
fc[7:0]
Function
Nominal Carrier Frequency Setting.
See formula above.
Register 78h. Miscellaneous Settings
Bit
D7
Name
Type
D6
D5
Reserved[7:4]
R/W
D4
D3
Alt_PA_Seq
R/W
D2
D1
D0
rcosc_cal[2:0]
R/W
Reset value = 01111000
Bit
Name
Function
7:0
Reserved[7:4] Reserved.
Alternative PA sequencing.
3
Alt_PA_Seq
If set, we will enable the alternative PA sequence. By default, this is not enabled.
rcosc_cal[2:0].
2:0
rcosc_cal[2:0] Fine changes on the RC OSC Calibration target frequency, to help compensate for
―calibration biases.‖ This register should not be changed by costumers.
125
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