SX1231 SEMTECH [Semtech Corporation], SX1231 Datasheet - Page 69

• Manufacturer Part Number: SX1231
• Description: Low Power Integrated UHF Transceiver
• Manufacturer: SEMTECH [Semtech Corporation]

6.6. Packet Engine Registers
Table 26 Packet Engine Registers
Rev 2 - Nov 2009
Name
(Address)
RegPreambleMsb
(0x2c)
RegPreambleLsb
(0x2d)
RegSyncConfig
(0x2e)
RegSyncValue1
(0x2f)
RegSyncValue2
(0x30)
RegSyncValue3
(0x31)
RegSyncValue4
(0x32)
RegSyncValue5
(0x33)
RegSyncValue6
(0x34)
RegSyncValue7
(0x35)
RegSyncValue8
(0x36)
ADVANCED COMMUNICATIONS & SENSING
Bits Variable Name
7-0 PreambleSize(15:8)
7-0 PreambleSize(7:0)
5-3 SyncSize
2-0 SyncTol
7-0 SyncValue(63:56)
7-0 SyncValue(55:48)
7-0 SyncValue(47:40)
7-0 SyncValue(39:32)
7-0 SyncValue(31:24)
7-0 SyncValue(23:16)
7-0 SyncValue(15:8)
7-0 SyncValue(7:0)
7
6
SyncOn
FifoFillCondition
Mode
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
Page 69
Default
Value
0x00
0x03
0x00
0x01
0x01
0x01
0x01
0x01
0x01
0x01
011
000
1
0
*
*
*
*
*
*
*
Description
Size of the preamble to be sent (from TxStartCondition
fulfilled). (MSB byte)
Size of the preamble to be sent (from TxStartCondition
fulfilled). (LSB byte)
Enables the Sync word generation and detection:
0
1
FIFO filling condition:
0
1
Size of the Sync word:
( SyncSize + 1) bytes
Number of tolerated errors in Sync word
1
Used if SyncOn is set.
2
Used if SyncOn is set and (SyncSize +1) >= 2.
3
Used if SyncOn is set and (SyncSize +1) >= 3.
4
Used if SyncOn is set and (SyncSize +1) >= 4.
5
Used if SyncOn is set and (SyncSize +1) >= 5.
6
Used if SyncOn is set and (SyncSize +1) >= 6.
7
Used if SyncOn is set and (SyncSize +1) >= 7.
8
Used if SyncOn is set and (SyncSize +1) = 8.
st
nd
rd
th
th
th
th
th
byte of Sync word. (MSB byte)
byte of Sync word.
byte of Sync word.
byte of Sync word.
byte of Sync word.
byte of Sync word.
byte of Sync word.
byte of Sync word
Off
On
if SyncAddress interrupt occurs
as long as FifoFillCondition is set
DATASHEET
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SX1231