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RN2903 데이터시트(PDF) 3 Page - Microchip Technology

부품명 RN2903
상세설명  Low-Power Long Range LoRa Technology Transceiver Module
PDF  24 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RN2903 데이터시트(HTML) 3 Page - Microchip Technology

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 2015 Microchip Technology Inc.
DS50002390B-page 3
RN2903
1.0
DEVICE OVERVIEW
The RN2903 transceiver module features LoRa
Technology RF modulation, which provides long range
spread spectrum communication with high interference
immunity.
Using
LoRa Technology
modulation
technique,
RN2903 can achieve a receiver sensitivity of -146 dBm.
The high sensitivity combined with the integrated
+18.5 dBm output power amplifier yields industry
leading link budget, which makes it optimal for
applications requiring extended range and robustness.
FIGURE 1-1:
RN2903 TOP VIEW
LoRa Technology modulation also provides significant
advantages in both blocking and selectivity compared
to the conventional modulation techniques, solving the
traditional design compromise between extended
range,
interference
immunity,
and
low-power
consumption.
The RN2903 module delivers exceptional phase noise,
selectivity, receiver linearity, and IIP3 for significantly
lower power consumption. The level of conductive
harmonics is below -70 dBm. Figure 1-1, Figure 1-2,
and Figure 1-3 show the top view, the pinout, and the
block diagram of the module.
FIGURE 1-2:
RN2903 PIN DIAGRAM
FIGURE 1-3:
RN2903 BLOCK DIAGRAM
1
GND
2
UART_RTS
3
UART_CTS
4
RESERVED
5
RESERVED
6
UART_TX
7
UART_RX
8
GND
GND
9
GPIO13
10
GPIO12
11
GND
20
GND
12
VDD
13
GPIO11
14
GPIO10
15
NC
16
NC
17
NC
18
NC
19
NC
40
39
38
37
36
35
34
33
32
31
30
29
28 GND
VDD
GND
47
46
45
44
43
42
41
GND
NC
TEST0
TEST1
RESET
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
NC
User Hardware:
Status LEDs,
witches, ogic IOs, etc.
RN2903 Module
MCU
LoRa
® Technology
Radio
Command Processor
14 GPIO Pins
Real Time
Clock
LoRaWANTM Protocol Stack
I
2C
SPI
UART
32768 Hz
Crystal
EUI-64
EEPROM
Host MCU
Antenna
915 MHz



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