SX1276 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SX1276' PDF : 132 Pages View PDF
WIRELESS, SENSING & TIMING
SX1276/77/78/79
DATASHEET
Name
(Address)
Bits
7
6
5
4
RegImageCal
(0x3b)
3
2-1
0
RegTemp
(0x3c)
7-0
7-4
3
RegLowBat
(0x3d)
2-0
Variable Name
AutoImageCalOn
ImageCalStart
ImageCalRunning
unused
TempChange
TempThreshold
TempMonitorOff
TempValue
unused
LowBatOn
LowBatTrim
Mode
Default
value
FSK/OOK Description
Service registers
Controls the Image calibration mechanism
rw
0x00
*
0 Calibration of the receiver depending on the temperature is
disabled
1 Calibration of the receiver depending on the temperature
enabled.
wt
- Triggers the IQ and RSSI calibration when set in Standby mode.
r
0x00
Set to 1 while the Image and RSSI calibration are running.
Toggles back to 0 when the process is completed
r
- unused
IRQ flag witnessing a temperature change exceeding
r
0x00
TempThreshold since the last Image and RSSI calibration:
0 Temperature change lower than TempThreshold
1 Temperature change greater than TempThreshold
Temperature change threshold to trigger a new I/Q calibration
00 5 °C
rw 0x01 01 10 °C
10 15 °C
11 20 °C
Controls the temperature monitor operation:
rw
0x00
0 Temperature monitoring done in all modes except Sleep and
Standby
1 Temperature monitoring stopped.
Measured temperature
r
- -1°C per Lsb
Needs calibration for absolute accuracy
r
- unused
Low Battery detector enable signal
rw 0x00 0 LowBat detector disabled
1 LowBat detector enabled
Trimming of the LowBat threshold:
000 1.695 V
001 1.764 V
010 1.835 V (d)
rw 0x02 011 1.905 V
100 1.976 V
101 2.045 V
110 2.116 V
111 2.185 V
Status registers
Rev. 4 - March 2015
©2015 Semtech Corporation
Page 103
www.semtech.com
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