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PDF RN171 Data sheet ( Hoja de datos )

Número de pieza RN171
Descripción 2.4 GHz IEEE Std. 802.11 b/g Wireless LAN Module
Fabricantes Microchip 
Logotipo Microchip Logotipo



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RN171
2.4 GHz IEEE Std. 802.11 b/g Wireless LAN Module
Features:
• Complete, Embedded 2.4 GHz IEEE 802.11 b/g
Wireless LAN Module
• 14 General Purpose Input/Output (GPIO) Pins
(Four GPIOs shared with UART)
• Eight Analog Sensor Inputs
• Small Surface-Mount Module: 1.050” x 0.700” x
0.125” (26.67 mm x 17.78 mm x 3.18 mm)
• Integrated Crystal, Internal Voltage Regulator,
Matching Circuitry, Power Amplifier
• Integrates Easily into Final Product – Minimizes
Product Development, Provides Quicker Time to
Market
• Configured using Simple ASCII Commands
• Networking:
- Supports Infrastructure and SoftAp
Networking Modes
- Built-in Networking Applications: TCP, UDP,
DHCP, DNS, ICMP, ARP, HTTP Client, and
FTP Client
- Complete On-Board TCP/IP Networking
Stack
- Unique MAC Address
- Upgrade Firmware Over the Air using FTP
- Supports Wi-Fi® Protected Setup (WPS)
Power Management:
• Ultra Low-Power Sleep Mode (4 uA)
• Perfect for Portable Battery Operated Devices
• Battery Boost Control Circuitry
• Real-Time Clock for Time Stamping, Auto-Sleep,
and Auto-Wake
Antenna:
• External Antenna Connection via RF Pad
• Certified Antenna Types: Chip, Whip, PCB Trace,
and Wire
Compliance:
• Modular Certified for the United States (FCC) and
Canada (IC)
• European R&TTE Directive Assessed Radio
Module
• Australia, New Zealand, Korea, Taiwan
FIGURE 1:
Media Access Control (MAC)/Baseband
Features:
• Security: WEP-128, WPA-PSK (TKIP),
WPA2-PSK (AES)
Operational:
• Operating Voltage: 3.3V (typical)
• Temperature Range: -40C to +85C Industrial
• Low-Current Consumption:
- Rx mode: 40 mA
- Tx mode: 120 mA at 0 dBm
- Sleep: 4 µA
RF/Analog Features:
• Frequency: 2.412 to 2.462 GHz
• Modulation:
- 802.11b Compatibility: DSSS (CCK-11,
CCK-5.5, DQPSK-2, DBPSK-1)
- 802.11g: OFDM
- Receive Sensitivity: -83 dBm Typical
- Power Output: 0 to +12 dBm
Over-the-Air Data Rate:
• 1-11 Mbps for 802.11b
• 6-54 Mbps for 802.11g
Applications:
• Remote Equipment Monitoring
• Telemetry
• Industrial Sensors
• Home Automation
2014 Microchip Technology Inc.
DS70005171A-page 1

1 page




RN171 pdf
RN171
TABLE 1-1: PIN DESCRIPTION
Pin
Symbol
Type
Description
1 GND
Power Ground reference
2 ISP_TX
DO In-system programming transmit
3 ISP_RX
DI In-system programming receive
4 GPIO9/SD_CLK/SCLK DIO General purpose I/O 9(2,3)/SDIO clock/SD-SPI slave SCLK
5 GPIO8/SD_D3/SS DIO General purpose I/O 8(2,4)/SDIO D3/SD-SPI slave select
6 GPIO7/SD_D2
DIO General purpose I/O 7(2,4)/SDIO D2
7 GPIO6/SD_D1/INT DIO General purpose I/O 6(2,4)/SDIO D1/SD-SPI slave INT
8 GPIO5/SD_D0/MISO DIO General purpose I/O 5(2,4)/SDIO D0/SD-SPI slave MISO
9 GPIO4/SD_CMD/MOSI DIO General purpose I/O 4(2,4)/SDIO CMD/SD-SPI slave MOSI
10 VDD
11 GPIO3
12 GPIO2
13 GPIO1
Power
DIO
DIO
DIO
Positive supply
General purpose I/O 3(2,3)
General purpose I/O 2(2,3)
General purpose I/O 1(2,3)
14 GND
Power Ground reference
15 SPI_CS
DO SPI master chip select to internal Flash memory chip select. (Do not
connect.)
16 SPI_MISO
DI SPI master data Input to internal Flash memory data output. (Do not
connect.)
17 SPI_SCK
DO SPI master clock to internal Flash memory clock. (Do not connect.)
18 SPI_MOSI
DO SPI master data output to internal Flash memory data input. (Do not
connect.)
19 FLASH_POWER
Power Internal Flash memory power. (Do not connect.)
20 GND
Power Ground reference
21 GND
Power Ground reference
22 GND
Power Ground reference
23 GND
Power Ground reference
24 ANT
25 GND
AIO
Power
RF antenna. 50impedance
Ground reference
26 GND
Power Ground reference
27 GND
Power Ground reference
28 GND
29 SENSOR0
30 SENSOR1
31 SENSOR2
32 SENSOR3
Power
AI
AI
AI
AI
Ground reference
Sensor interface 0(5)
Sensor interface 1(5)
Sensor interface 2(5)
Sensor interface 3(5)
33 SENSOR_POWER
Power Sensor power
34 VDD
Power Positive supply
Note 1: Pin type abbreviation: A = Analog, D = Digital, I = Input, O = Output.
2: Refer to Electrical Specifications for GPIO voltage and current limitations.
3: Digital input/output (bidirectional) 8 mA drive, ~83 K internal pull-down. 3.3V tolerant. Reset State: Pull-
down.
4: Digital input/output (bidirectional) 24 mA drive, no internal pull-down. 3.3V tolerant. Reset State: High-Z.
Do not allow to float.
5: Analog input. 0-400 mV (Do not exceed 1.2V DC)
2014 Microchip Technology Inc.
DS70005171A-page 5

5 Page





RN171 arduino
RN171
3.0 APPLICATION INFORMATION
The following sections provide application information,
such as an application schematic and antenna inform-
tion.
3.1 Schematic
Figure 3-1 and Figure 3-2 shows the RN171 applica-
tion schematic for direct power and battery boost
modes, respectively. Figure 3-3 shows a diagram with
the optional ISP header.
FIGURE 3-1:
RN171 APPLICATION SCHEMATIC – DIRECT POWER MODE
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2014 Microchip Technology Inc.
DS70005171A-page 11

11 Page







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