SM1211E915 Semtech, SM1211E915 Datasheet - Page 46
SM1211E915
Manufacturer Part Number
SM1211E915
Description
Dev Kit Accessory
Manufacturer
Semtech
Specifications of SM1211E915
Modulation Type
FSK, OOK
Data Rate Max
200Kbps
Frequency Range
902MHz To 928MHz
Supply Voltage Range
2.1V To 3.6V
Module Interface
SPI
Supply Current
25mA
Accessory Type
RF Module
Sensitivity
-105dBm
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Package Type
TQFN EP
Operating Supply Voltage (min)
2.1V
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.6V
Sensitivity (dbm)
-105dBm
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
Lead Free Status / RoHS Status
na
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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 Buffered Tx Mode
Rev 7 – Sept 2
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
nd
, 2008
Figure 40: Rx Processing in Buffered Mode (FIFO size=16, Fifo_fill_method=0)
IRQ_0
IRQ_1
Preamble
Rx_stby_irq_x
IRQ_1
Sync
00 (d)
00 (d)
01
10
11
01
10
11
Tx_irq_1=0 (d)
Tx_irq_1=1
IRQ_0
b0
-
Write_byte
/Fifoempty
Sync
-
Fifofull
RSSI
Fifo_threshold
b1
b0
b2
b1
Page 46 of 92
b3
b2
Rx
b4
b3
/Fifoempty
Fifofull
Tx_done
b5
b4
b6
b5
Tx
b7
b6
-
-
/Fifoempty
-
-
Fifofull
-
Fifo_threshold
b8
b7
b9
b8
Stby
b9
b10 b11
b10
b11
b12 b13
b12
b13
b14 b15
www.semtech.com
SX1211
b14
b15
b16
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