SX1231-31SKB915 Semtech, SX1231-31SKB915 Datasheet - Page 61
SX1231-31SKB915
Manufacturer Part Number
SX1231-31SKB915
Description
TVS
Manufacturer
Semtech
Specifications of SX1231-31SKB915
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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6.2. Common Configuration Registers
Table 22
Rev 3 - April 2010
ADVANCED COMMUNICATIONS & SENSING
Name
(Address)
RegFifo
(0x00)
RegOpMode
(0x01)
RegDataModul
(0x02)
RegBitrateMsb
(0x03)
Common Configuration Registers
Bits Variable Name
7-0
4-2
1-0
6-5
4-3
1-0
7-0
7
6
5
7
2
Fifo
SequencerOff
ListenOn
ListenAbort
Mode
-
-
DataMode
ModulationType
-
ModulationShaping
BitRate(15:8)
Mode
rw
rw
rw
rw
rw
rw
rw
rw
w
r
r
r
Page 61
Default
Value
0x00
0x1a
001
00
00
00
00
0
0
0
0
0
Description
FIFO data input/output
Controls the automatic Sequencer (see section 4.2 ):
0
RegOpMode is automatically reached with the Sequencer
1
Enables Listen mode:
0
1
Aborts Listen mode when set together with ListenOn=0
and new Mode selection in 1 SPI access (see section 4.3)
Always reads 0.
Transceiver’s operating modes:
000
001
010
011
100
others
Reads the value corresponding to the current chip mode
unused
unused
Data processing mode:
00
01
10
11
Modulation scheme:
00
01
10 - 11
unused
Data shaping:
in FSK:
00
01
10
11
in OOK:
00
01
10
11
MSB of Bit Rate (Chip Rate when Manchester encoding is
enabled)
Operating mode as selected with Mode bits in
Mode is forced by the user
Off (see section 4.3)
On
Continuous mode without bit synchronizer
Gaussian filter, BT = 0.3
reserved
Packet mode
reserved
Continuous mode with bit synchronizer
FSK
OOK
no shaping
Gaussian filter, BT = 1.0
Gaussian filter, BT = 0.5
no shaping
filtering with f
filtering with f
Transmitter mode (TX)
Sleep mode (SLEEP)
Standby mode (STDBY)
Frequency Synthesizer mode (FS)
Receiver mode (RX)
reserved
reserved
cutoff
cutoff
= BR
= 2*BR
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