Datasheet

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SX1272/73
WIRELESS, SENSING & TIMING DATASHEET
Rev. 2 - July 2014
©2014 Semtech Corporation
RegSyncConfig
(0x27)
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
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
*
1
st
byte of Sync word. (MSB byte)
Used if SyncOn is set.
RegSyncValue2
(0x29)
7-0 SyncValue(55:48) rw
0x01
*
2
nd
byte of Sync word
Used if SyncOn is set and (SyncSize +1) >= 2.
RegSyncValue3
(0x2A)
7-0 SyncValue(47:40) rw
0x01
*
3
rd
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 3.
RegSyncValue4
(0x2B)
7-0 SyncValue(39:32) rw
0x01
*
4
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 4.
RegSyncValue5
(0x2C)
7-0 SyncValue(31:24) rw
0x01
*
5
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 5.
RegSyncValue6
(0x2D)
7-0 SyncValue(23:16) rw
0x01
*
6
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 6.
RegSyncValue7
(0x2E)
7-0 SyncValue(15:8) rw
0x01
*
7
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 7.
RegSyncValue8
(0x2F)
7-0 SyncValue(7:0) rw
0x01
*
8
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) = 8.
Name
(Address)
Bits
Variable Name
Mode
Default
value
FSK/OOK Description