SX1276 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SX1276' PDF : 132 Pages View PDF
WIRELESS, SENSING & TIMING
SX1276/77/78/79
DATASHEET
Address
0x1B
0x1C
0x1D
0x1E
0x1F
0x20
0x21
Register Name
FSK/OOK Mode
RegAfcMsb
RegAfcLsb
RegFeiMsb
RegFeiLsb
RegPreambleDe-
tect
RegRxTimeout1
RegRxTimeout2
LoRaTM Mode
RegRssiValue
RegHopChannel
RegModemConfig
1
RegModemConfig
2
RegSymbTimeout
Lsb
RegPreambleMsb
RegPreambleLsb
0x22
0x23
0x24
RegRxTimeout3
RegRxDelay
RegOsc
RegPay-
loadLength
RegMaxPayloadL
ength
RegHopPeriod
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
0x2C
0x2D-
0x2F
0x30
0x31
0x32
0x33
RegPreambleMsb
RegPreambleLsb
RegSyncConfig
RegSyncValue1
RegSyncValue2
RegSyncValue3
RegSyncValue4
RegSyncValue5
RegSyncValue6-8
RegFifoRxByteAd
dr
RegModemCon-
fig3
RESERVED
RegFeiMsb
RegFeiMid
RegFeiLsb
RESERVED
RegRssiWide-
band
RESERVED
RegPacketConfig1
RegPacketConfig2
RegPayloadLength
RegNodeAdrs
RESERVED
RegDetectOpti-
mize
RESERVED
RegInvertIQ
0x34
0x35
0x36
0x37
0x38
0x39
RegBroadcastAdrs
RegFifoThresh
RegSeqConfig1
RegSeqConfig2
RegTimerResol
RegTimer1Coef
RESERVED
RegDetection-
Threshold
RESERVED
RegSyncWord
Reset
(POR)
0x00
0x00
0x00
Default
(FSK)
n/a
n/a
n/a
0x00
n/a
0x40
0xAA
0x00
0x00
0x00
0x00
0x05
0x07
0x00
0x03
0x93
0x55
0x01
0x55
0x01
0x55
0x01
0x55
0x01
0x55
0x01
0x55
0x01
0x90
0x40
0x40
0x00
0x00
0x0F
0x1F
0x00
0x00
0x00
0xF5
0x12
Description
FSK Mode
Frequency correction value of
the AFC
LoRaTM Mode
Current RSSI
FHSS start channel
Value of the calculated
frequency error
Modem PHY config 1
Modem PHY config 2
Settings of the Preamble
Detector
Timeout Rx request and RSSI
Timeout RSSI and Pay-
loadReady
Timeout RSSI and SyncAd-
dress
Delay between Rx cycles
RC Oscillators Settings, CLK-
OUT frequency
Preamble length, MSB
Receiver timeout value
Size of preamble
LoRaTM payload length
LoRaTM maximum pay-
load length
FHSS Hop period
Address of last byte
written in FIFO
Preamble length, LSB
Modem PHY config 3
Sync Word Recognition control
Sync Word bytes 1
Sync Word bytes 2
Sync Word bytes 3
Sync Word bytes 4
Sync Word bytes 5
Sync Word bytes, 6 to 8
Packet mode settings
Packet mode settings
Payload length setting
Node address
Broadcast address
Fifo threshold, Tx start condi-
tion
Top level Sequencer settings
Top level Sequencer settings
Timer 1 and 2 resolution control
Timer 1 setting
RESERVED
Estimated frequency
error
RESERVED
Wideband RSSI meas-
urement
RESERVED
LoRa detection Optimize
for SF6
RESERVED
Invert LoRa I and Q
signals
RESERVED
LoRa detection threshold
for SF6
RESERVED
LoRa Sync Word
Rev. 4 - March 2015
©2015 Semtech Corporation
Page 91
www.semtech.com
Share Link: 
