RFM42 Datasheet, PDF (91/110 Pages) –

RFM42/43
Register 65h. LDO Control Override
Bit
Name
Type
D7
enspor
R/W
D6
enbias
R/W
D5
envcoldo
R/W
D4
enifldo
R/W
Reset value = 10000001
D3
enrfldo
R/W
D2
enpllldo
R/W
D1
endigldo
R/W
D0
endigpwdn
R/W
Bit
Name
Function
7
enspor
Smart POR Enable.
6
enbias
Bias Enable.
5
envcoldo
VCO LDO Enable.
4
enifldo
IF LDO Enable.
3
enrfldo
RF LDO Enable.
2
enpllldo
PLL LDO Enable.
1
endigldo
Digital LDO Enable.
0
endigpwdn Digital Power Domain Powerdown Enable in Idle Mode.
Register 66h. LDO Level Settings
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
enovr
enxtal
ents
enrc32 Reserved
diglvl
Type
R/W
R/W
R/W
R/W
R
R/W
Reset value = 00000011
Bit
Name
7
enovr
6
enxtal
5
ents
4
enrc32
3
Reserved
2:0
diglvl
Function
Enable Overrides.
If high, ovr values are output to the blocks and can enable or disable them, if
low, some ovr value can only enable the blocks.
Xtal Override Enable Value.
Temperature Sensor Enable.
32K Oscillator Enable.
Reserved.
Digital LDO Level Setting.
91
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