SX1231
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
15th byte of cipher key
7-0 AesKey(15:8)
7-0 AesKey(7:0)
w
w
0x00
0x00
RegAesKey15
(0x4C)
16th byte of cipher key (LSB byte)
RegAesKey16
(0x4D)
6.7. Temperature Sensor Registers
Table 27 Temperature Sensor Registers
Name
Default
Value
Bits Variable Name
(Address)
Mode
Description
7-4
3
-
r
0000 unused
RegTemp1
(0x4E)
TempMeasStart
w
0
Triggers the temperature measurement when set. Always
reads 0.
2
TempMeasRunning
r
0
Set to 1 while the temperature measurement is running.
Toggles back to 0 when the measurement has completed.
The receiver can not be used while measuring
temperature
1
0
-
r
0
1
unused
AdcLowPowerOn
rw
ADC low-power mode:
0 Æ normal mode
1 Æ low-power mode enabled. Power consumption is
decreased
7-0 TempValue
r
-
Measured temperature
-1°C per Lsb
Needs calibration for accuracy
RegTemp2
(0x4F)
6.8. Test Registers
Table 28 Test Registers
Name
Default
Value
Bits Variable Name
Mode
Description
(Address)
RegTestLna
(0x58)
7-0 SensitivityBoost
rw
0x1B High sensitivity or normal sensitivity mode:
0x1B Æ Normal mode
0x2D Æ High sensitivity mode
RegTestOok
(0x6E)
7-0 OokDeltaThreshold
rw
0x0C Tweaks the OOK Peak Threshold
*
Rev 2 - Nov 2009
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