SX1231 SEMTECH [Semtech Corporation], SX1231 Datasheet - Page 70

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

Rev 2 - Nov 2009
RegPacketConfig1
(0x37)
RegPayloadLength
(0x38)
RegNodeAdrs
(0x39)
RegBroadcastAdrs
(0x3A)
RegAutoModes
(0x3B)
ADVANCED COMMUNICATIONS & SENSING
6-5 DcFree
2-1 AddressFiltering
7-0 PayloadLength
7-0 NodeAddress
7-0 BroadcastAddress
7-5 EnterCondition
4-2 ExitCondition
1-0 IntermediateMode
7
4
3
0
PacketFormat
CrcOn
CrcAutoClearOff
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0x40
0x00
0x00
000
000
00
00
00
0
0
1
0
Defines the packet format used:
0
1
Defines DC-free encoding/decoding performed:
00
01
10
11
Enables CRC calculation/check (Tx/Rx):
0
1
Defines the behavior of the packet handler when CRC
check fails:
0
PayloadReady interrupt issued.
1
Defines address based filtering in Rx:
00
01
10
BroadcastAddress
11
unused
If PacketFormat = 0 (fixed), payload length.
If PacketFormat = 1 (variable), max length in Rx, not used
in Tx.
Node address used in address filtering.
Broadcast address used in address filtering.
Interrupt condition for entering the intermediate mode:
000
001
010
011
100
101
110
111
Interrupt condition for exiting the intermediate mode:
000
001
010
011
100
101
110
111
Intermediate mode:
00
01
10
11
Fixed length
Variable length
Off
On
Clear FIFO and restart new packet reception. No
Do not clear FIFO. PayloadReady interrupt issued.
reserved
reserved
Transmitter mode (TX)
None (Off)
Manchester
Whitening
None (Off)
Address field must match NodeAddress
Address field must match NodeAddress or
Sleep mode (SLEEP)
Standby mode (STDBY)
Receiver mode (RX)
Falling edge of FifoNotEmpty (i.e. FIFO empty)
Rising edge of Timeout
Rising edge of CrcOk
Rising edge of PacketSent
Rising edge of CrcOk or Timeout
Rising edge of PacketSent
None (AutoModes Off)
Rising edge of FifoNotEmpty
Rising edge of FifoLevel
Rising edge of PayloadReady
Rising edge of SyncAddress
None (AutoModes Off)
Falling edge of FifoNotEmpty (i.e. FIFO empty)
Rising edge of FifoLevel or Timeout
Rising edge of PayloadReady or Timeout
Rising edge of SyncAddress or Timeout
DATASHEET
www.semtech.com
SX1231