SX1212IWLTRT Semtech, SX1212IWLTRT Datasheet - Page 46

• Manufacturer Part Number: SX1212IWLTRT
• Description: IC TXRX 300MHZ-510MHZ 32-TQFN
• Manufacturer: Semtech

Specifications of SX1212IWLTRT

• Frequency: 300MHz ~ 510MHz
• Data Rate - Maximum: 150kbps
• Modulation Or Protocol: FSK, OOK
• Applications: AMR, ISM, Home Automation, Process Control
• Power - Output: 12.5dBm
• Sensitivity: -110dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 3mA
• Current - Transmitting: 25mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFN
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Modulation Type: FSK/OOK
• Package Type: TQFN EP
• Operating Supply Voltage (min): 2.1V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed
• Other names: SX1212IWLTR

The tables below describe the interrupts available in Buffered mode.
Table 20: Interrupt Mapping in Buffered Rx and Stby Modes
Table 21: Interrupt Mapping in Tx Buffered Mode
Rev 2 – June 18th, 2009
ADVANCED COMMUNICATIONS & SENSING
FIFO
Data Rx
(to SR)
Start condition
(Cf. Fifo_fill_method)
/Fifoempty
Fifofull
Fifo_overrun_clr
Write_byte
15
0
5.4.4. Interrupt Signals Mapping
“noisy” data
Figure 40: Rx Processing in Buffered Mode (FIFO size=16, Fifo_fill_method=0)
IRQ_0
IRQ_1
Preamble
Rx_stby_irq_x
IRQ_0
IRQ_1
Sync
00 (d)
00 (d)
01
10
11
01
10
11
Tx_start_irq_0=0 (d)
Tx_start_irq_0=1
Tx_irq_1=0 (d)
Tx_irq_1=1
b0
-
Write_byte
/Fifoempty
Sync
-
Fifofull
RSSI
Fifo_threshold
b1
b0
b2
b1
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b3
b2
Rx
b4
b3
b5
b4
Fifo_threshold
/Fifoempty
Fifofull
Tx_done
b6
b5
b7
b6
-
-
/Fifoempty
-
-
Fifofull
-
Fifo_threshold
Tx
b8
b7
b9
b8
Stby
b9
b10 b11
b10
b11
b12 b13
b12
b13
b14 b15
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SX1212
b14
b15
b16