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RFM95 Datasheet(PDF) 95 Page - HOPE Microelectronics CO., Ltd.

Part No. RFM95
Description  Low Power Long Range Transceiver Module
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Maker  HOPE [HOPE Microelectronics CO., Ltd.]
Homepage  https://www.hoperf.com/
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 95 page
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Page 95
RFM95/96/97/98(W)
Tel: + 86-755-82973805
Fax: + 86-755-82973550
E-mail: sales@hoperf.com http:/ / www.hoperf.com
WIRELESS & SENSING
PRELIMINARY
DATASHEET
Name
(Address)
Bits
Variable Name
Mode
Default
value
FSK/OOK Description
RegPayloadLength
(0x32)
7-0
PayloadLength(7:0)
rw
0x40
If PacketFormat = 0 (fixed), payload length.
If PacketFormat = 1 (variable), max length in Rx, not used in Tx.
RegNodeAdrs
(0x33)
7-0
NodeAddress
rw
0x00
Node address used in address filtering.
RegBroadcastAdrs
(0x34)
7-0
BroadcastAddress
rw
0x00
Broadcast address used in address filtering.
7
TxStartCondition
rw
0x01
*
Defines the condition to start packet transmission:
0
FifoLevel
(i.e. the number of bytes in the FIFO exceeds
FifoThreshold)
1
FifoEmpty goes low
(i.e. at least one byte in the FIFO)
6
unused
r
-
unused
RegFifoThresh
(0x35)
5-0
FifoThreshold
rw
0x0f
Used to trigger FifoLevel interrupt, when:
number of bytes in FIFO >= FifoThreshold + 1
Sequencer registers
7
SequencerStart
wt
0x00
Controls the top level Sequencer
When set to ‘1’, executes the “Start” transition.
The sequencer can only be enabled when the chip is in Sleep or
Standby mode.
6
SequencerStop
wt
0x00
Forces the Sequencer Off.
Always reads ‘0’
5
IdleMode
rw
0x00
Selects chip mode during the state:
0: Standby mode
1: Sleep mode
4-3
FromStart
rw
0x00
Controls the Sequencer transition when SequencerStart is set to 1
in Sleep or Standby mode:
00: to LowPowerSelection
01: to Receive state
10: to Transmit state
11: to Transmit state on a FifoLevel interrupt
2
LowPowerSelection
rw
0x00
Selects the Sequencer LowPower state after a to
LowPowerSelection
transition:
0: SequencerOff state with chip on Initial mode
1: Idle state with chip on Standby or Sleep mode depending on
IdleMode
Note:
Initial mode is the chip LowPower mode at
Sequencer Start.
1
FromIdle
rw
0x00
Controls the Sequencer transition from the Idle state on a T1
interrupt:
0: to Transmit state
1: to Receive state
RegSeqConfig1
(0x36)
0
FromTransmit
rw
0x00
Controls the Sequencer transition from the Transmit state:
0: to LowPowerSelection on a PacketSent interrupt
1: to Receive state on a PacketSent interrupt




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