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RFM95 Datasheet(PDF) 98 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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 98 page
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Page 98
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
ModeReady
r
-
Set when the operation mode requested in Mode, is ready
- Sleep: Entering Sleep mode
- Standby: XO is running
- FS: PLL is locked
- Rx: RSSI sampling starts
- Tx: PA ramp-up completed
Cleared when changing the operating mode.
6
RxReady
r
-
Set in Rx mode, after RSSI, AGC and AFC.
Cleared when leaving Rx.
5
TxReady
r
-
Set in Tx mode, after PA ramp-up.
Cleared when leaving Tx.
4
PllLock
r
-
Set (in FS, Rx or Tx) when the PLL is locked.
Cleared when it is not.
3
Rssi
rwc
-
Set in Rx when the RssiValue exceeds RssiThreshold.
Cleared when leaving Rx or setting this bit to 1.
2
Timeout
r
-
Set when a timeout occurs
Cleared when leaving Rx or FIFO is emptied.
1
PreambleDetect
rwc
-
Set when the Preamble Detector has found valid Preamble.
bit clear when set to 1
RegIrqFlags1
(0x3e)
0
SyncAddressMatch
rwc
-
Set when Sync and Address (if enabled) are detected.
Cleared when leaving Rx or FIFO is emptied.
This bit is read only in Packet mode, rwc in Continuous mode
7
FifoFull
r
-
Set when FIFO is full (i.e. contains 66 bytes), else cleared.
6
FifoEmpty
r
-
Set when FIFO is empty, and cleared when there is at least 1 byte
in the FIFO.
5
FifoLevel
r
-
Set when the number of bytes in the FIFO strictly exceeds
FifoThreshold
, else cleared.
4
FifoOverrun
rwc
-
Set when FIFO overrun occurs. (except in Sleep mode)
Flag(s) and FIFO are cleared when this bit is set. The FIFO then
becomes immediately available for the next transmission /
reception.
3
PacketSent
r
-
Set in Tx when the complete packet has been sent.
Cleared when exiting Tx
2
PayloadReady
r
-
Set in Rx when the payload is ready (i.e. last byte received and
CRC, if enabled and CrcAutoClearOff is cleared, is Ok). Cleared
when FIFO is empty.
1
CrcOk
r
-
Set in Rx when the CRC of the payload is Ok. Cleared when FIFO
is empty.
RegIrqFlags2
(0x3f)
0
LowBat
rwc
-
Set when the battery voltage drops below the Low Battery
threshold. Cleared only when set to 1 by the user.
IO control registers




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