Data Sheet

LJ1269HC
Rev1.0 Page 69 Web: www.ljelect.com
6.6. Packet Engine Registers
Table 28 Packet Engine Registers
Name (Address)
Bits
Variable Name
Mode
Default
Value
Description
RegPreambleMsb
(0x2c)
7-0
PreambleSize(15:8)
rw
0x00
Size of the preamble to be sent (from
TxStartCondition fulfilled). (MSB byte)
RegPreambleLsb
(0x2d)
7-0
PreambleSize(7:0)
rw
0x03
Size of the preamble to be sent (from
TxStartCondition fulfilled). (LSB byte)
RegSyncConfig
(0x2e)
7
SyncOn
rw
1
Enables the Sync word generation and
detection:
0 → Off
1 → On
6
FifoFillCondition
rw
0
FIFO filling condition:
0 → if SyncAddress interrupt occurs
1 → as long as FifoFillCondition is set
5-3
SyncSize
rw
011
Size of the Sync word:
(SyncSize + 1) bytes
2-0
SyncTol
rw
000
Number of tolerated bit errors in Sync word
RegSyncValue1
(0x2f)
7-0
SyncValue(63:56)
rw
0x01
*
1
st
byte of Sync word. (MSB byte) Used if
SyncOn is set.
RegSyncValue2
(0x30)
7-0
SyncValue(55:48)
rw
0x01
*
2
nd
byte of Sync word
Used if SyncOn is set and (SyncSize +1) >= 2.
RegSyncValue3
(0x31)
7-0
SyncValue(47:40)
rw
0x01
*
3
rd
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 3.
RegSyncValue4
(0x32)
7-0
SyncValue(39:32)
rw
0x01
*
4
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 4.
RegSyncValue5
(0x33)
7-0
SyncValue(31:24)
rw
0x01
*
5
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 5.
RegSyncValue6
(0x34)
7-0
SyncValue(23:16)
rw
0x01
*
6
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 6.
RegSyncValue7
(0x35)
7-0
SyncValue(15:8)
rw
0x01
*
7
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) >= 7.
RegSyncValue8
(0x36)
7-0
SyncValue(7:0)
rw
0x01
*
8
th
byte of Sync word.
Used if SyncOn is set and (SyncSize +1) = 8.
Sub GHz FSK/OOK Transceiver Module DATASHEET