Data Sheet

Page 74
RFM69HCW
Tel: + 86-755-82973805 Fax: [phone] E-mail: [e-mail] http:/ / www.hoperf.com
ADVANCED COMMUNICATIONS & SENSING DATASHEET
RegAesKey14
(0x4B)
7-0 AesKey(23:16) w 0x00
14
th
byte of cipher key
RegAesKey15
(0x4C)
7-0 AesKey(15:8) w 0x00
15
th
byte of cipher key
RegAesKey16
(0x4D)
7-0 AesKey(7:0) w 0x00
16
th
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
7-4 - r 0000 unused
3 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
RegTemp1
(0x4E)
1-0 - r 01 unused
RegTemp2
(0x4F)
7-0 Temp Va l ue r - Measured temperature
-1°C per Lsb
Needs calibration for accuracy
6.8. Test Registers
Table 30 Test Registers
Name
(Address)
Bits Variable Name Mode
Default
Value
Description
RegTestLna
(0x58)
7-0 SensitivityBoost rw 0x1B High sensitivity or normal sensitivity mode:
0x1B → Normal mode
0x2D → High sensitivity mode
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 ContinuousDagc 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 LowBetaAfcOffset rw 0x00 AFC offset set for low modulation index systems, used if
AfcLowBetaOn=1.
Offset = LowBetaAfcOffset x 488 Hz