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RFM95 Datasheet(PDF) 93 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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 93 page
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Page 93
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
7-4
unused
r
-
unused
3
RcCalStart
wt
0x00
Triggers the calibration of the RC oscillator when set. Always
reads 0. RC calibration must be triggered in Standby mode.
RegOsc
(0x24)
2-0
ClkOut
rw
0x07
*
Selects CLKOUT frequency:
000
FXOSC
001
FXOSC / 2
010
FXOSC / 4
011
FXOSC / 8
100
FXOSC / 16
101
FXOSC / 32
110
RC (automatically enabled)
111
OFF
Packet Handling registers
RegPreambleMsb
(0x25)
7-0
PreambleSize(15:8)
rw
0x00
Size of the preamble to be sent (from TxStartCondition fulfilled).
(MSB byte)
RegPreambleLsb
(0x26)
7-0
PreambleSize(7:0)
rw
0x03
Size of the preamble to be sent (from TxStartCondition fulfilled).
(LSB byte)
7-6
AutoRestartRxMode
rw
0x02
Controls the automatic restart of the receiver after the reception of
a valid packet (PayloadReady or CrcOk):
00
Off
01
On, without waiting for the PLL to re-lock
10
On, wait for the PLL to lock (frequency changed)
11
reserved
5
PreamblePolarity
rw
0x00
Sets the polarity of the Preamble
0
0xAA (default)
1
0x55
4
SyncOn
rw
0x01
Enables the Sync word generation and detection:
0
Off
1
On
3
FifoFillCondition
rw
0x00
FIFO filling condition:
0
if SyncAddress interrupt occurs
1
as long as FifoFillCondition is set
RegSyncConfig
(0x27)
2-0
SyncSize
rw
0x03
Size of the Sync word:
(SyncSize + 1) bytes, (SyncSize) bytes if ioHomeOn=1
RegSyncValue1
(0x28)
7-0
SyncValue(63:56)
rw
0x01
*
1st byte of Sync word. (MSB byte)
Used if SyncOn is set.
RegSyncValue2
(0x29)
7-0
SyncValue(55:48)
rw
0x01
*
2nd byte of Sync word
Used if SyncOn is set and (SyncSize +1) >= 2.
RegSyncValue3
(0x2a)
7-0
SyncValue(47:40)
rw
0x01
*
3rd byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 3.
RegSyncValue4
(0x2b)
7-0
SyncValue(39:32)
rw
0x01
*
4th byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 4.




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