SX1231-31SKB915 Semtech, SX1231-31SKB915 Datasheet - Page 72
SX1231-31SKB915
Manufacturer Part Number
SX1231-31SKB915
Description
TVS
Manufacturer
Semtech
Specifications of SX1231-31SKB915
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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6.7. Temperature Sensor Registers
Table 27 Temperature Sensor Registers
6.8. Test Registers
Table 28 Test Registers
Rev 3 - April 2010
RegAesKey14
(0x4B)
RegAesKey15
(0x4C)
RegAesKey16
(0x4D)
Name
(Address)
RegTemp1
(0x4E)
RegTemp2
(0x4F)
Name
(Address)
RegTestLna
(0x58)
RegTestAfc
(0x71)
ADVANCED COMMUNICATIONS & SENSING
Bits Variable Name
Bits Variable Name
7-0 AesKey(23:16)
7-0 AesKey(15:8)
7-0 AesKey(7:0)
7-4 -
1-0 -
7-0 TempValue
7-0 SensitivityBoost
7-0 LowBetaAfcOffset
3
2
TempMeasStart
TempMeasRunning
Mode
Mode
rw
rw
w
w
w
w
r
r
r
r
Page 72
Default
Default
Value
Value
0x1B
0x00
0x00
0x00
0000
0x00
01
0
0
-
14
15
16
Description
unused
Triggers the temperature measurement when set. Always
reads 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
unused
Measured temperature
Needs calibration for accuracy
Description
High sensitivity or normal sensitivity mode:
0x1B
0x2D
AFC offset set for low modulation index systems, used if
AfcLowBetaOn=1 .
-1°C per Lsb
Offset = LowBetaAfcOffset x 488 Hz
th
th
th
byte of cipher key
byte of cipher key
byte of cipher key (LSB byte)
Normal mode
High sensitivity mode
DATASHEET
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SX1231
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