RFM23 Datasheet, PDF (91/152 Pages) –

RFM23
Register 12h. Temperature Sensor Calibration
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
tsrange[1:0]
entsoffs
entstrim
tstrim[3:0]
Type
R/w
R/w
R/w
R/w
Reset value = 00100000
Bit
7：6
5
4
3：0
Name
tsrange[1:0]
entsoffs
entstrim
tstrim[3:0]
Function
Temperature Sensor Range Selection.
(FS range is 0..1024 mV)
00: –40℃ .. 64℃ (full operating range), with 0.5℃ resolution (1 LSB in
the 8-bit ADC)
01: –40℃… 85℃, with 1℃ resolution (1 LSB in the 8-bit ADC)
11: 0 ℃ … 85℃, with 0.5℃ resolution (1 LSB in the 8-bit ADC)
10: –40^o F … 216℉, with 1℉ resolution (1 LSB in the 8-bit ADC)
Temperature Sensor Offset to Convert from K to ºC.
Temperature Sensor Trim Enable.
Temperature Sensor Trim Value.
Register 13h. Temperature Value Offset
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
tvoffs[7:0]
Type
R/W
Reset value = 00000000
Bit
7：0
Name
tvoffs[7:0]
Function
Temperature Value Offset.
This value is added to the measured temperature value. (MSB, tvoffs[8]: sign bit)
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