SX1239IMLTRT Semtech, SX1239IMLTRT Datasheet - Page 40

• 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

5.2.2.4. FIFO Clearing
Table below summarizes the status of the FIFO when switching between different modes
Table 16 Status of FIFO when Switching Between Different Modes of the Chip
5.2.3. Sync Word Recognition
5.2.3.1. Overview
Sync word recognition (also called Pattern recognition) is activated by setting SyncOn in RegSyncConfig. The bit
synchronizer must also be activated in continuous mode (automatically done in Packet mode) .
The block behaves like a shift register; it continuously compares the incoming data with its internally programmed Sync
word and sets SyncAddressMatch when a match is detected. This is illustrated in Figure 24 below.
Rev 3 - Jan 2011
ADVANCED COMMUNICATIONS & SENSING
Stdby/Sleep
Stdby
Sleep
From
Rx
Stdby/Sleep
FifoLevel
Sleep
Stdby
To
Rx
1
0
FIFO status
Not cleared
Not cleared
Not cleared
Figure 23. FifoLevel IRQ Source Behavior
Cleared
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To allow the user to read FIFO in Stdby/Sleep mode after Rx
B
B+1
Comments
# of bytes in FIFO
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