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| RN-111B www.rovingnetworks.com DS-RN111B_V1 2/20/2009 "WiFly" 802.11B Module Features * * * * * * * * * * * Ultra-low power module with 40mA average RX, 120ma TX burst current usage. Embedded stacks with TCP/UDP/IP, sockets, no host or processor stacks required. ICMP, Telnet, TFTP, DHCP, FTP, UDP Time server clients. Flash memory for user code, API for user applications. FTP client "over the air" firmware upgrade. Simple ACSII command interface, over local UART and remote from TCP/IP client. Sustained data rates (each direction) of >200 kbps. Security: WEP128, WPA-PSK, and WPA2PSK (TKIP and AES) supported. Real-time clock for datalogging/timestamping. Up to 500Kbytes of Flash memory storage for data logs. World wide approvals/certifications (FCC, IC, CE ). RoHS compliant Applications * * * * * Wireless thermostats RS232/RS485 cable replacement Remote equipment monitoring Scanners, GPS and measurement systems Industrial sensor and control Description The WiFly module is a stand alone, embedded 802.11b device. Because of its small form factor and extremely low power consumption, the RN-111B is perfect for mobile wireless applications such as asset monitoring, GPS tracking and portable devices. The Wifly modules include an on board TCP/IP stack and networking application programs such as telnet and ftp. The hardware requires only four connections (PWR, TX, RX, GND) to create a simple wireless data connection. The WiFly module is programmed via a straight forward ASCI command. Once is setup it can automatically associated and authenticate with a network, connect to remote hosts, and reliably transmit data, making your application accessible worldwide. * Block Diagram 809 University Avenue * Los Gatos, CA 95032 * Tel (408) 395-6539 * info@RovingNetworks.com RN-111B www.rovingnetworks.com DS-RN111B_V1 2/20/2009 Overview * * * * * * * * * * Accepts Wide range DC power input , (3.0V - to 16Vdc). Can power from single battery cell. 801.11b compliant radio. CHIP ANT, U.FL, SMA options. UART Serial Port TTL level, speeds: 1200bps up to 921Kbps, even,odd parity. SPI port available. Low power consumption (<120mA transmitting,, 40mA idle mode) Ultra low power (~12ua) sleep mode with "instant on" (30ms) wakeup and attach. Wake on programmable timer, wake on UART receive character settings. Small-form factor 32 Pin DIP radio modem package (2mm pitch X 0.90" socket width) 6 General Purpose Input/Output Pins (4ma source/sink) controlled via remote commands. 8 sensor inputs ( 0 - 1.2VDC) Environmental Conditions Parameter Temperature Range (Operating) Temperature Range (Storage) Relative Humidity (Operating) Relative Humidity (Storage) Value o o -40 C ~ +85 C o o -40 C ~ +85 C 90% 90% Electrical Characteristics Parameter Supply Voltage VIN Supply Voltage VDD Supply Voltage (VBATT option) Average power consumption Standby/Idle (default settings) Sleep Connected(idle, RX) Connected(TX) Min 4.0 3.0 2.0 10 Typ. 5.0 3.3 3.0 35 12 40 110 Max. 12 3.6 3.3 15 180 Unit VDC VDC VDC mA uA (micro) mA mA The power management unit turns off unused functions and switches between sleep and active modes. In sleep mode the real-time clock and sensor interface remain active, enabling the WiFly to wake up at any interval or when a specific condition is detected. This "instant-on" capability allows mobile devices to remain in low-power sleep mode until it is ready to transfer data. The WiFly module can wake up, join a network, transmit data and go back to sleep in under 100 msec. This unique combination of low latency and low power makes it possible to run for over two years transmitting data every 5 minutes using just two standard AAA Alkaline batteries! 809 University Avenue * Los Gatos, CA 95032 * Tel (408) 395-6539 * info@RovingNetworks.com RN-111B www.rovingnetworks.com DS-RN111B_V1 2/20/2009 Radio Characteristics Parameter Frequency Modulation Channel intervals Channels Transmission rate (over the air) Receive sensitivity Output level (Class1) Specifications 2402 ~ 2480MHz DSSS(CCK-11, CCK-5.5, DQPSK-2, DBPSK-1) 5MHz 1 - 14 11/5.5/2/1Mbit -82 to -93dBm 12dBm max. Antenna configurations Part Number Description Picture RN-111B-R Ultra low power WiFly GX module with RP-SMA connector RN-111B-S Ultra low power WiFly GX module with on board ceramic antenna RN-111B-E Ultra low power WiFly GX module with SMA connector RN-111B-W Ultra low power WiFly GX module with simple wire antenna 809 University Avenue * Los Gatos, CA 95032 * Tel (408) 395-6539 * info@RovingNetworks.com RN-111B www.rovingnetworks.com DS-RN111B_V1 2/20/2009 Pin Description Note: Any unused pins should be left floating (No Connect) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RN-111B 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 LED Top view LED LED Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Name PIO7 VDD_SW SENSE-5 SENSE-6 SENSE-7 SENSE-8 PIO6 PIO9 DEBUG_TX DEBUG_RX RESET SHUTDOWN VIN VREG VBATT GND VDD SP_MO SP_CK SP_CS SP_MI PIO5 PIO4 RTS-PIO3 CTS-PIO2 RX TX SENSE-4 SENSE-3 SENSE-2 SENSE-1 GND Description General Purpose IO Switched sensor output power Analog sensor input (1.2V) Analog sensor input (1.2V) Analog Sensor Input (1.2V) Analog Sensor Input (1.2V) Controls red LED General purpose IO nd 2 serial port nd 2 serial port Active low with 10k built in pullup 3.6-16VDC 3.3V LDO output Tie to VREG if USING VIN 3.3V out-in Spi port Spi port Default No Connect No Connect Input Sets factory defaults No Connect No Connect No Connect Battery option Power input No Connect No Connect No Connect No Connect Connect/disconnect input Connection status output TTL output TTL input Input output Wake up GPIO Wake up GPIO Wake up GPIO Wake UP GPIO Spi port Spi port Controls yellow LED Controls GREEN LED HW flow control output Also can be used as PIO3 TTL Data IN TTL Data Out Analog Sensor Input (1.2V) Analog Sensor Input (1.2V) Analog Sensor Input (1.2V) Analog sensor input (3.3V tolerant) 809 University Avenue * Los Gatos, CA 95032 * Tel (408) 395-6539 * info@RovingNetworks.com RN-111B www.rovingnetworks.com DS-RN111B_V1 2/20/2009 Module Dimensions 809 University Avenue * Los Gatos, CA 95032 * Tel (408) 395-6539 * info@RovingNetworks.com RN-111B www.rovingnetworks.com DS-RN111B_V1 2/20/2009 Design Concerns 1. Reset circuit. Reset is active LOW, is optional and does not need to be connected. There is a built in voltage monitor that will pull Reset LOW (open drain FET) if the input voltage drops below 2.7VDC. If external reset is desired, use an OPEN DRAIN driver and do not drive the Reset pin to any voltage > 1.0 Vdc. 2. Powering the WiFly Module. There are 3 options to power the RN-111b. * Supply 3.6 to 16VDC power to VIN (pin 13). Tie VREG (pin 14) to VBATT(pin 15). * Apply 3.3VDC regulated power to VDD (pin 17). * Apply battery = 2.0 to 3.0VDc to VBATT (pin 15). If VIN is powered, VREG will supply 3.3VDC output and can be used for other circuits, with a current limitation of 50 ma. Warning: Placing 5VDC or any voltage above 3.3Vdc into the VDD pins of the module will permanently damage the radio module. Be sure to use the VIN = pin 13 power pin for any power supplied that is > 3.3VDC. 3. Factory reset PIO9 (pin 8). It is a good idea to connect this pin to a switch, or jumper, or resistor, so it can be accessed. This pin can be used to reset the module to FACTORY DEFAULTS and is often critical in situations where the module has been mis-configured. 4. GPIO connections: Placing 3.3Vdc into the PIO's while they are set as outputs will permanently damage the radio modules. The failure mode is a short across GND and VCC. Use a 10K resistor in series or a 10K pull up resistor for input and output PIO's respectively. 5. Sensor connections. The Sensor inputs SENS1-8 are extremely sensitive to over voltage. Under no conditions should these pins be pulled high above 1.2VDC. Placing any voltage above this will permanently damage the radio module. 6. Connection status. PIO5 is available to drive an LED, and blinks at various speeds to indicate status. PIO2 is an output which directly reflects the connection state, it goes HIGH when connected, and LOW otherwise. 7. Using SPI bus for flash upgrade. While not required, this bus is very useful for configuring advanced parameters of the WiFly module. A 6pin header which can be implemented to gain access to this bus. A minimum-mode version could just use the SPI signals (4pins) and pickup ground and VCC from elsewhere on the design. 8. Minimizing Radio interference. When integrating the WiFly module with on board chip antenna be sure the area around the chip antenna end the module protrudes at least 5mm from the PCB and any metal enclosure. If this is not possible use the RN-111B-E (SMA jack) or RN-111B-R (Reverse polarity jack). 9. Connecting to the GPIO. Placing 3.3Vdc into the PIO's while they are set as outputs will permanently damage the radio. The failure mode is short across GND and VCC. Use a 10KO resistor is series or a 10KO pull up resistor for input and output PIO's respectively. * Make sure to connect a common ground when using the external TX, RX inputs on the 0 - 3.3Vdc * For a 3 wire DB-9 interface (tx, rx, gnd only) connect/short CTS to RTS, Factory default is hardware flow control enabled CTS and RTS connected. * When using a 5.0Vdc Input, PIO's require a 10K ohm series resistor. PIO's are 0-3.3Vdc not 5 volt tolerant. 809 University Avenue * Los Gatos, CA 95032 * Tel (408) 395-6539 * info@RovingNetworks.com RN-111B www.rovingnetworks.com DS-RN111B_V1 2/20/2009 Compliance Information CATEGORY RADIO COUNTRY USA FCC ID: EUROPE CANADA IC Canada ID: USA EUROPE STANDARD FCC CFR47 Part 15 C, para 15.247 T9JRN111B EN 300 328-1 EN 300 328-2 2.4GHz IC RSS-210 low power comm. device 6514A-RN111B FCC CFR47 Part 15 subclass B EN 55022 Class B radiated EN61000-4-2 ESD immunity EN61000-4-3 radiated field EN61000-4-6 RF immunity EN61000-4-8 power magnetic immunity UL 60950-1 EN 60950-1 IEC 60950-1 CSA- 22.2 RoHS compliant EMC SAFETY ENVIRONMENTAL USA EUROPE INTERNATIONAL CANADA RoHS Ordering Information Part Number RN-111B-S RN-111B-E RN-111B-W RN-111B-R RN-SMA-S RN-SMA-4 RN-SMA-RA Description With chip antenna With SMA jack With wire Antenna With reverse polarity SMA jack 1" external antenna "Stuby" 4" high performance antenna 4" high performance reverse polarity antenna For other configurations, contact Roving Networks directly. Visit http://www.rovingnetworks.com for current pricing and a list of distributors carrying our products. Copyright (c) 2009 Roving Networks. All rights reserved. Roving Networks reserves the right to make corrections, modifications, and other changes to its products, documentation and services at any time. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. Roving Networks assumes no liability for applications assistance or customer product design. Customers are responsible for their products and applications using Roving Networks components. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. Roving Networks products are not authorized for use in safety-critical applications (such as life support) where a failure of the Roving Networks product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing such use. All other trademarks are property of their respective owners. 809 University Avenue * Los Gatos, CA 95032 * Tel (408) 395-6539 * info@RovingNetworks.com |
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