Data Sheet

Page 64
RFM95/96/97/98
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WIRELESS & SENSING PRELIMINARY DATASHEET
4.2.11. Digital IO Pins Mapping
Six general purpose IO pins are available on the RFM95/96/97/98, and their configuration in Continuous or Packet mode
is controlled through RegDioMapping1 and RegDioMapping2.
Table 74 DIO Mapping, Continuous Mode
DIOx Mapping
Sleep
Standby
FSRx/Tx
Rx
Tx
00
-
SyncAddress
TxReady
01
-
Rssi / PreambleDetect
-
10
-
RxReady
TxReady
11
-
00
-
Dclk
01
-
Rssi / PreambleDetect
-
10
-
11
-
00
-
Data
01
-
Data
10
-
Data
11
-
Data
00
-
Timeout
-
01
-
Rssi / PreambleDetect
-
10
-
11
-
TempChange / LowBat TempChange / LowBat
00
-
TempChange / LowBat
01
-
PllLock
10
-
TimeOut
-
11
-
ModeReady ModeReady
00
ClkOut if RC
ClkOut ClkOut
01
-
PllLock
10
-
Rssi / PreambleDetect
-
11
-
ModeReady ModeReady
Table 75 DIO Mapping, Packet Mode
DIOx Mapping
Sleep
Standby
FSRx/Tx
Rx
Tx
00
-
PayloadReady
PacketSent
01
-
CrcOk
-
10
-
11
-
TempChange / LowBat TempChange / LowBat
00
FifoLevel FifoLevel FifoLevel
01
FifoEmpty FifoEmpty FifoEmpty
10
FifoFull FifoFull FifoFull
11
-
00
FifoFull FifoFull FifoFull
01
-
RxReady
-
10
FifoFull
TimeOut
FifoFull
11
FifoFull
SyncAddress
FifoFull
00
FifoEmpty FifoEmpty FifoEmpty
01
-
TxReady
10
FifoEmpty FifoEmpty FifoEmpty
11
FifoEmpty FifoEmpty FifoEmpty
00
-
TempChange / LowBat TempChange / LowBat
01
-
PllLock
10
-
TimeOut
-
11
-
Rssi / PreambleDetect
-
00
ClkOut if RC
ClkOut
ClkOut
01
-
PllLock
10
-
Data
11
-
ModeReady ModeReady
DIO0
DIO1
DIO2
DIO3
DIO4
DIO5
DIO0
DIO1
DIO2
DIO3
DIO4
DIO5