SX1239IMLTRT Semtech, SX1239IMLTRT Datasheet - Page 63

• Manufacturer Part Number: SX1239IMLTRT
• Description: IC, RF RECEIVER, 1.02GHz, QFN-24
• Manufacturer: Semtech

Specifications of SX1239IMLTRT

• Applications: Wireless Sensor Networks, Automated Meter Reading, Home And Building Automation
• Receiving Current: 16mA
• Data Rate: 300Kbps
• Modulation Type: FSK, OOK
• Sensitivity Dbm: -120dBm
• Rohs Compliant: Yes
• Rf Ic Case Style: QFN
• No. Of Pins: 24
• Sensitivity (dbm): -120dBm
• Supply Voltage Range: 1.8V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Rev 3 - Jan 2011
RegPacketConfig1
(0x37)
RegPayloadLength
(0x38)
RegNodeAdrs
(0x39)
RegBroadcastAdrs
(0x3A)
RegAutoModes
(0x3B)
RegFifoThresh
(0x3C)
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
6-0 FifoThreshold
7
4
3
0
7
PacketFormat
CrcOn
CrcAutoClearOff
-
-
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
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Page 63
0001111 Used to trigger FifoLevel interrupt.
0x40
0x00
0x00
000
000
00
00
00
0
1
0
0
1
*
Defines the packet format used:
0
1
Defines DC-free decoding performed:
00
01
10
11
Enables CRC check:
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
11
unused
If PacketFormat = 0 (fixed), payload length.
If PacketFormat = 1 (variable), max length in Rx
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
unused
Fixed length
Variable length
Off
On
Clear FIFO and restart new packet reception. No
Do not clear FIFO. PayloadReady interrupt issued.
reserved
reserved
Reserved
None (Off)
Manchester
Whitening
None (Off)
Address field must match NodeAddress
Must match NodeAddress or BroadcastAddress
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
Reserved
Rising edge of CrcOk or Timeout
Reserved
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
SX1239