Data Sheet

LJ1269HC
Rev1.0 Page 72 Web: www.ljelect.com
RegAesKey14 (0x4B)
7-0
AesKey(23:16)
w
0x00
14th byte of cipher key
RegAesKey15
(0x4C)
7-0
AesKey(15:8)
w
0x00
15th byte of cipher key
RegAesKey16
(0x4D)
7-0
AesKey(7:0)
w
0x00
16th byte of cipher key (LSB byte)
6.7. Temperature Sensor Registers
Table 29 Temperature Sensor Registers
Name (Address)
Bits
Variable Name
Mode
Default Value
Description
RegTemp1 (0x4E)
7-4
-
r
0000
unused
3
TempMeasStart
w
0
Triggers the temperature measurement when set.
Always reads 0.
2
TempMeasRunn
ing
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
01
unused
RegTemp2 (0x4F)
7-0
TempValue
r
-
Measured temperature
-1°C per Lsb
Needs calibration for accuracy
6.8. Test Registers
Table 30 Test Registers
Name (Address)
Bits
Variable Name
Mod
e
Default Value
Description
RegTestLna
(0x58)
7-0
SensitivityBoos
t
rw
0x1B
High sensitivity or normal sensitivity mode:
0x1B → Normal mode
0x2D → High sensitivity mode
RegTestPa1
(0x5A)
RegTestPa1
(0x5A)
7-0
Pa20dBm1
rw
0x55
Set to 0x5D for +20 dBm operation on PA_BOOST.
0x55 → Normal mode and Rx mode
0x5D → +20 dBm mode
Revert to 0x55 when receiving or using PA0
RegTestPa2
(0x5C)
7-0
Pa20dBm2
rw
0x70
Set to 0x7C for +20 dBm operation on PA_BOOST
0x70 → Normal mode and Rx mode
0x7C → +20 dBm mode
Revert to 0x70 when receiving or using PA0
RegTestDagc
(0x6F)
7-0
ContinuousDag
c
rw
0x30
*
Fading Margin Improvement, refer to 3.4.4
0x00 → Normal mode
0x20 → Improved margin, use if AfcLowBetaOn=1
0x30 → Improved margin, use if AfcLowBetaOn=0
RegTestAfc (0x71)
7-0
LowBetaAfcOff
set
rw
0x00
AFC offset set for low modulation index systems, used if
AfcLowBetaOn=1.
Offset = LowBetaAfcOffset x 488 Hz
Sub GHz FSK/OOK Transceiver Module DATASHEET