Data Sheet

Page 106
RFM95/96/97/98
Te l : + 8 6 - 7 5 5 - 8 2 9 7 3 8 0 5 Fa x : + 8 6 - 7 5 5 - 8 2 9 7 3 5 5 0 E- m a i l : sa l e s @ h o p e r f . c o m h t t p : / / w w w . h o p e r f . c o m
WIRELESS & SENSING PRELIMINARY DATASHEET
Name
(Address)
Bits
Variable Name
Mode Reset
LoRa
TM
Description
RegPktRssiValue
(0x1A)
7-0
PacketRssi
r
n/a
RSSI of the latest packet received (dBm)
R SSI [ dB m ] = – 137 + Pack et Rssi
RegRssiValue
(0x1B)
7-0
Rssi
r
n/a
Current RSSI value (dBm)
RSSI [ dBm ] = – 137 + Rssi
7 PllTimeout r
n/a
PLL failed to lock while attempting a TX/RX/CAD operation
1  PLL did not lock
0  PLL did lock
6 RxPayloadCrcOn r n/a
CRC Information extracted from the received packet header
0  Header indicates CRC off
1  Header indicates CRC on
RegHopChannel
(0x1C)
5-0 FhssPresentChannel r n/a Current value of frequency hopping channel in use.
RegModemConfig
1
(0x1D)
7-4 Bw rw 0x07
Signal bandwidth:
0000  7.8 kHz
0001  10.4 kHz
0010  15.6 kHz
0011  20.8kHz
0100  31.25 kHz
0101  41.7 kHz
0110  62.5 kHz
0111  125 kHz
1000  250 kHz
1001  500 kHz
other values  reserved
In the lower band (169MHz), signal bandwidths 8&9 are not
supported)
3-1 CodingRate rw ‘001’
Error coding rate
001  4/5
010  4/6
011  4/7
100  4/8
All other values  reserved
In implicit header mode should be set on receiver to determine
expected coding rate. See Section 4.1.1.3
0 ImplicitHeaderModeOn rw 0x0
0  Explicit Header mode
1  Implicit Header mode