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RFM95/96/97/98(W)

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WIRELESS & SENSING

PRELIMINARY

DATASHEET

6.2. FSK/OOK Mode Register Map

This section details the RFM95/96/97/98(W) register mapping and the precise contents of each register in FSK/OOK

mode. Convention: r: read, w: write, t:trigger, c: clear

Table 86 Register Map

Name

(Address)

Bits

Variable Name

Mode

Default

value

FSK/OOK Description

RegFifo

(0x00)

7-0

Fifo

0x00

FIFO data input/output

Registers for Common settings

LongRangeMode

0x00

FSK/OOK Mode

LoRaTM Mode

This bit can be modified only in Sleep mode. A write operation on

other device modes is ignored.

6-5

ModulationType

0x00

Modulation scheme:

FSK

OOK

reserved

0x0

reserved

LowFrequencyModeOn

0x01

Access Low Frequency Mode registers (from address 0x61 on)

High Frequency Mode (access to HF test registers)

Low Frequency Mode (access to LF test registers)

RegOpMode

(0x01)

2-0

Mode

0x01

Transceiver modes

000

Sleep mode

001

Stdby mode

010

FS mode TX (FSTx)

011

Transmitter mode (Tx)

100

FS mode RX (FSRx)

101

Receiver mode (Rx)

110

reserved

111

reserved

RegBitrateMsb

(0x02)

7-0

BitRate(15:8)

0x1a

MSB of Bit Rate (chip rate if Manchester encoding is enabled)

RegBitrateLsb

(0x03)

7-0

BitRate(7:0)

0x0b

LSB of bit rate (chip rate if Manchester encoding is enabled)

BitRate = ---------------------------

----X

----O

-----S---C

------------------------------

BitRate(15,0) + -

B----i--t--r--a----t--e---F----r--a----c-

Default value: 4.8 kb/s

7-6

reserved

0x00

reserved

RegFdevMsb

(0x04)

5-0

Fdev(13:8)

0x00

MSB of the frequency deviation

RegFdevLsb

(0x05)

7-0

Fdev(7:0)

0x52

LSB of the frequency deviation

Fdev = Fstep

× Fdev(15,0)

Default value: 5 kHz

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