RN131/RN171/RN1723 Evaluation Kits User’s Guide 2013-2015 Microchip Technology Inc. DS50002183B Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. • Microchip is willing to work with the customer who is concerned about the integrity of their code. • Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.” Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, dsPIC, FlashFlex, flexPWR, JukeBlox, KEELOQ, KEELOQ logo, Kleer, LANCheck, MediaLB, MOST, MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC32 logo, RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. The Embedded Control Solutions Company and mTouch are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, ECAN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, KleerNet, KleerNet logo, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, RightTouch logo, REAL ICE, SQI, Serial Quad I/O, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. GestIC is a registered trademarks of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. © 2013-2015, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. ISBN: 978-1-63277-471-2 QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV == ISO/TS 16949 == DS50002183B-page 2 Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. 2013-2015 Microchip Technology Inc. Objects of Declaration: RN131 Evaluation Kit, RN171 Evaluation Kit, RN1723 Evaluation Kit 2013-2015 Microchip Technology Inc. DS50002183B-page 3 RN131/171/1723 Evaluation Kits User’s Guide NOTES: DS50002183B-page 4 2013-2015 Microchip Technology Inc. RN131/RN171/RN1723 EVALUATION KITS USER’S GUIDE Table of Contents Preface ........................................................................................................................... 7 Chapter 1. Overview 1.1 RN Evaluation Kit Contents and Part Numbers ............................................ 13 1.2 Example Code and Related Information ...................................................... 13 1.3 RN Evaluation Kit Hardware ......................................................................... 14 1.4 RN Evaluation Board Features ..................................................................... 15 1.5 RN Evaluation Board Components .............................................................. 16 Chapter 2. Getting Started 2.1 Prerequisites ................................................................................................ 21 2.2 Hardware Configuration ............................................................................... 22 2.3 Module Configuration ................................................................................... 23 Chapter 3. Application Design Concerns 3.1 Sensor Interfaces ......................................................................................... 27 3.2 Push Button Functions ................................................................................. 27 Appendix A. Schematics, Bill of Materials, and Dimensions A.1 RN131 Evaluation Board ............................................................................. 29 A.2 RN171 Evaluation Board and RN1723 Evaluation Board ............................ 33 A.3 Bill of Materials ............................................................................................. 37 A.4 Physical Dimensions .................................................................................... 39 Worldwide Sales and Service .................................................................................... 40 2013-2015 Microchip Technology Inc. DS50002183B-page 5 RN131/RN171/RN1723 Evaluation Kits User’s Guide NOTES: DS50002183B-page 6 2013-2015 Microchip Technology Inc. RN131/RN171/RN1723 EVALUATION KITS USER’S GUIDE Preface NOTICE TO CUSTOMERS All documentation becomes dated, and this manual is no exception. Microchip tools and documentation are constantly evolving to meet customer needs, so some actual dialogs and/or tool descriptions may differ from those in this document. Please refer to our web site (www.microchip.com) to obtain the latest documentation available. Documents are identified with a “DS” number. This number is located on the bottom of each page, in front of the page number. The numbering convention for the DS number is “DSXXXXXXXXA”, where “XXXXXXXX” is the document number and “A” is the revision level of the document. For the most up-to-date information on development tools, see the MPLAB® X IDE online help. Select the Help menu, and then Topics to open a list of available online help files. INTRODUCTION This preface contains information that will be useful to know before using the RN131/RN171/RN1723 Evaluation Kits User’s Guide. Topics discussed include: • • • • • • • • Document Layout Conventions Used in this Guide Recommended Reading Recommended Reading The Microchip Web Site Development Systems Customer Change Notification Service Customer Support Document Revision History DOCUMENT LAYOUT This document describes how to use the RN131 Evaluation Kit, the RN171 Evaluation Kit, and the RN1723 Evaluation Kit. The manual layout is as follows: • Chapter 1. “Overview” – This chapter describes the evaluation kits that are used for demonstrating the capabilities of the RN131, RN171, and RN1723 modules. The RN evaluation boards in each kit have the flexibility to connect directly to a PC or laptop through a standard USB interface or to an embedded controller through the serial UART interface. • Chapter 2. “Getting Started” – This chapter describes using an RN evaluation kit as an independent development board to add Wi-Fi® connectivity to embedded systems. Certain hardware and software prerequisites are essential to support the development of demonstration applications, which are discussed in this chapter. • Chapter 3. “Application Design Concerns” – This chapter provides design concerns related to powering an RN evaluation board, including sensor interface settings, push button functions, and restoring factory settings. • Appendix A. “Schematics, Bill of Materials, and Dimensions” – This appendix provides the schematics, Bill of Materials (BOM), and physical dimensions for the RN evaluation boards. 2013-2015 Microchip Technology Inc. DS50002183B-page 7 RN131/RN171/RN1723 Evaluation Kits User’s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Italic characters Initial caps Examples Referenced books MPLAB® IDE User’s Guide Emphasized text ...is the only compiler... A window the Output window A dialog the Settings dialog A menu selection select Enable Programmer Quotes A field name in a window or dialog “Save project before build” Underlined, italic text with right angle bracket A menu path File > Save Bold characters A dialog button Click OK A tab Click the Power tab Text in angle brackets < > A key on the keyboard Press <Enter>, <F1> Plain Courier New Sample source code #define START Filenames autoexec.bat File paths c:\mcc18\h Keywords _asm, _endasm, static Command-line options -Opa+, -Opa- Bit values 0, 1 Constants 0xFF, ‘A’ Italic Courier New A variable argument file.o, where file can be any valid filename Square brackets [ ] Optional arguments mcc18 [options] file [options] Curly brackets and pipe character: { | } Choice of mutually exclusive arguments; an OR selection errorlevel {0|1} Ellipses... Replaces repeated text var_name [, var_name...] Represents code supplied by user void main (void) { ... } Notes DS50002183B-page 8 Represents A Note presents information that we want to re-emphasize, either to help you avoid a common pitfall or to make you aware of operating differences between some device family members. A Note can be in a box, or when used in a table or figure, it is located at the bottom of the table or figure. Note: This is a standard note box. CAUTION This is a caution note. Note 1: This is a note used in a table. 2013-2015 Microchip Technology Inc. Preface RECOMMENDED READING This user’s guide describes how to use the RN131/RN171/RN1723 Evaluation Kits. The following Microchip documents are available and are recommended as supplemental reference resources. RN131 Module Data Sheet (DS70005085) RN171 Module Data Sheet (DS70005084) RN1723 Module Data Sheet (DS70005224) Consult these documents for detailed information on the specific modules. Reference information found in these data sheets includes: • Device pinout and packaging details • Device electrical specifications • List of features included on the module PICDEM™ PIC18 Explorer Demonstration Board User’s Guide (DS51721) Explorer 16 Development Board User’s Guide (DS50001589) These documents describe how to use the demonstration or development board as a tool to emulate and debug firmware on a target board. Reference information found in these user’s guides includes: • Functionality and features • Hardware features • Development board schematics WiFly Command Reference, Advanced Features and Applications User’s Guide (DS50002230) This user’s guide provides information for configuring WiFly modules, including a command reference, advanced features, and applications. 2013-2015 Microchip Technology Inc. DS50002183B-page 9 RN131/RN171/RN1723 Evaluation Kits User’s Guide THE MICROCHIP WEB SITE Microchip provides online support via our web site at: http://www.microchip.com. This web site makes files and information easily available to customers. Accessible by most Internet browsers, the web site contains the following information: • Product Support – Data sheets and errata, application notes and sample programs, design resources, user’s guides and hardware support documents, latest software releases and archived software • General Technical Support – Frequently Asked Questions (FAQs), technical support requests, online discussion groups, Microchip consultant program member listings • Business of Microchip – Product selector and ordering guides, latest Microchip press releases, listings of seminars and events; and listings of Microchip sales offices, distributors and factory representatives DEVELOPMENT SYSTEMS CUSTOMER CHANGE NOTIFICATION SERVICE Microchip’s customer notification service helps keep customers current on Microchip products. Subscribers will receive e-mail notification whenever there are changes, updates, revisions or errata related to a specified product family or development tool of interest. To register, access the Microchip web site at www.microchip.com, click on Customer Change Notification and follow the registration instructions. The Development Systems product group categories are: • Compilers – The latest information on Microchip C compilers and other language tools • Emulators – The latest information on the Microchip in-circuit emulator, MPLAB® REAL ICE™ in-circuit emulator • In-Circuit Debuggers – The latest information on the Microchip in-circuit debugger, MPLAB ICD 3 • MPLAB X IDE – The latest information on Microchip MPLAB X IDE, the Windows® Integrated Development Environment for development systems tools • Programmers – The latest information on Microchip programmers including the PICkit™ 3 development programmer CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • • • • Distributor or Representative Local Sales Office Field Application Engineer (FAE) Technical Support Customers should contact their distributor, representative or field application engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document. Technical support is available through the web site at: http://support.microchip.com DS50002183B-page 10 2013-2015 Microchip Technology Inc. Preface DOCUMENT REVISION HISTORY Revision A (August 2013) This is the initial released version of the document. Revision B (May 2015) This revision includes the following updates: • The document title was changed to: RN131/RN171/RN1723 Evaluations Kits User’s Guide • The document was extensively revised to include the RN1723 Evaluation Kit • Minor updates to text and formatting were incorporated throughout the document 2013-2015 Microchip Technology Inc. DS50002183B-page 11 RN131/RN171/RN1723 Evaluation Kits User’s Guide NOTES: DS50002183B-page 12 2013-2015 Microchip Technology Inc. RN131/RN171/RN1723 EVALUATION KITS USER’S GUIDE Chapter 1. Overview This chapter describes the RN evaluation boards that are used for demonstrating the capabilities of the RN131, RN171, and RN1723 modules. These RN evaluation boards have the flexibility to connect directly to a PC or laptop through a standard USB interface or to embedded controllers through the serial UART interface. Note: It is important to note that the RN131, RN171, and RN1723 Evaluation Boards share approximately 95% of their features. Therefore, most of the features described in this document will be common across all three platforms. Throughout this document, whenever a feature or description is common across all evaluation kits, that feature will be described collectively as “RN evaluation kit(s)”, “RN evaluation board(s)”, or “RN module(s)”, rather than repeating RN131/RN171/RN1723 when referring to either an evaluation kit, evaluation board, or module. Refer to “Recommended Reading” for data sheet references and other resources. Additional information is available from the Embedded Wi-Fi page on the Microchip web site at: http://www.microchip.com/wifi. This chapter includes the following topics: • • • • • 1.1 RN Evaluation Kit Contents and Part Numbers Example Code and Related Information RN Evaluation Kit Hardware RN Evaluation Board Features RN Evaluation Board Components RN EVALUATION KIT CONTENTS AND PART NUMBERS Depending on the RN evaluation kit ordered, the package contents contain one of the following RN evaluation boards and a USB cable: • RN131 Evaluation Kit (P/N: RN-131-EK) • RN171 Evaluation Kit (P/N: RN-171-EK) • RN1723 Evaluation Kit (P/N: RN-1723-EK) 1.2 EXAMPLE CODE AND RELATED INFORMATION Example code and other related information for each RN evaluation kit can be obtained from the Microchip web site at: http://www.microchip.com/wifi. Note: RN module firmware can be upgraded to the latest version through an FTP update. For additional information on FTP updates and commands, refer to the “WiFly Command Reference, Advanced Features and Applications User’s Guide” (DS50002230), which is available from the Microchip web site at: http://www.microchip.com. 2013-2015 Microchip Technology Inc. DS50002183B-page 13 RN131/RN171/RN1723 Evaluation Kits User’s Guide 1.3 RN EVALUATION KIT HARDWARE The RN evaluation boards contain two push buttons, which are labeled RESET/RST and FN (see Note). The RESET/RST button is used to reset the RN module and the FN button is used to launch different modes depending on the software configuration. Note: On the RN131 Evaluation Board, the push button to reset the board is labeled RESET, whereas on the RN1723 and RN171 Evaluation Boards, this push button is labeled RST. In addition to the push buttons, four status LEDs are provided to enable quick debug support. The analog sensor interface supported by all of the RN evaluation boards also provides direct connections to read analog signals such as temperature and acceleration. The RN171 Evaluation Board and the RN1723 Evaluation Board, in addition to the USB cable, can be powered through a battery pack (two AAA batteries). Table 1-1 provides an overview of the RN evaluation kit hardware. TABLE 1-1: RN131/171/1723 EVALUATION KIT HARDWARE Hardware RN-131-EK RN Evaluation Board Contains the WiFly module and connectors RN131 Module RN171 or RN1723 Module Power Up Interface for powering up the RN evaluation boards USB USB or Battery Pack LEDs To indicate status and for debugging Available Available Push Buttons For launching applications Available Available Sensor Interface On board ADC provides direct connections to read analog signals such as temperature, acceleration and so on Available Available Communication Interface UART Available Available USB Connector On-board Provides power to the RN evaluation board and supports communication (COM Port) Available Available Available Not Available SMA Connectors U.FL and reverse SMA connectors DS50002183B-page 14 RN-171-EK and RN-1723-EK Description 2013-2015 Microchip Technology Inc. Overview 1.4 RN EVALUATION BOARD FEATURES 1.4.1 RN131 Evaluation Board Features The RN131 Evaluation Board has the following features: • • • • • • • • • • • • Supports the FCC/CE/IC certified 2.4 GHz IEEE 802.11 b/g RN131 module Wi-Fi® Alliance certified for WPA2-PSK and RoHS compliant Complete on-board TCP/IP networking stack through the RN module Supports infrastructure networking modes along with the SoftAP mode Built-in networking applications through the RN module, such as TCP/IP, DHCP, DNS, ARP, UDP, Telnet, FTP client, and HTML client Configuration over Wi-Fi or UART using simple ASCII commands Supports 921 Kbps TX, 500 Kbps RX data rates with TCP/IP and WPA2 over UART Powered by a USB cable (5V) Push buttons for launching Applications and RESET signal Real-time clock for wake up and time stamping On-board ceramic chip antenna and a U.FL. connector Size – 50.8 mm x 28 mm x 5 mm 1.4.2 Note: RN1723 Evaluation Board and RN171 Evaluation Board Features The RN1723 Evaluation Board has the same functionality as the RN171 Evaluation Board; however, the major difference is that three additional commands were added to the WiFly command set, as well as a GPIO function change in the RN1723 module. Refer to the “WiFly Command Reference, Advanced Features and Applications User’s Guide” (DS50002230) for information. This document is available from the Microchip web site at: http://www.microchip.com. The RN1723 Evaluation Board and RN171 Evaluation Board have the following features: • • • • • • • • • • • • • • Supports the FCC/CE/IC certified 2.4 GHz IEEE 802.11 b/g RN1723/RN171 module Wi-Fi Alliance certified for WPA2-PSK and RoHS compliant Complete on-board TCP/IP networking stack through the RN module Supports SoftAP and Infrastructure networking modes Built-in networking applications through the RN module, such as TCP/IP, DHCP, DNS, ARP, UDP, Telnet, FTP client and HTML client Configuration over Wi-Fi or UART using simple ASCII commands Supports 921 Kbps TX, 500 Kbps RX data rates with TCP/IP and WPA2 over UART Powered by 3.3V battery pack (two AAA batteries) or through a USB cable (5V) Push buttons for launching Applications and RESET signal 10 general purpose digital I/O pins Eight analog sensor interfaces; configurable sensor power outputs 0-3.3V DC Real-time clock for wake-up and time stamping Trace antenna Size – 50.8 mm x 28 mm x 20 mm 2013-2015 Microchip Technology Inc. DS50002183B-page 15 RN131/RN171/RN1723 Evaluation Kits User’s Guide 1.5 RN EVALUATION BOARD COMPONENTS 1.5.1 RN131 Evaluation Board Figure 1-1 shows the components of the RN131 Evaluation Board. Table 1-2 through Table 1-4 provide pin information for the UART and Sensor interfaces, as well as LED descriptions. FIGURE 1-1: RN131 EVALUATION BOARD COMPONENTS USB mini-B Connector UART Interface (J3) Status LEDs Sensor Interface (J1) TABLE 1-2: Diagram DS50002183B-page 16 Push Buttons RN131 UART INTERFACE (J3) PIN TABLE Pin Description 1 3.3V DC Output 2 Ground 3 UART Receive (RX) 4 UART Transmit (TX) 5 UART Receive-to-Send (RTS) 6 UART Clear-to-Send (CTS) 7 GPIO4 8 GPIO5 9 GPIO6 10 GPIO7 11 GPIO8 12 GPIO9 (internally connected to FN) 13 RESET 2013-2015 Microchip Technology Inc. Overview TABLE 1-3: RN131 SENSOR INTERFACE (J1) PIN TABLE Diagram Pin Description 1 Sensor Power 2 Sensor 4 (3.3V tolerant) 3 Sensor 5 (3.3V tolerant) 4 Sensor 7 (1.2V only) 5 Sensor 5 (1.2V only) 6 Sensor 4 (1.2V only) 7 Sensor 6 (1.2V only) 8 Sensor 3 (1.2V only) 9 Ground WARNING Voltage on pins marked 1.2V only should not exceed more than 1.2V DC. Failure to heed this warning will result in permanent damage to the RN evaluation board. TABLE 1-4: RN131 EVALUATION BOARD LED INDICATORS Condition Blue LED On Unused Fast Blink Unused Red LED — Not Associated Yellow LED Green LED — Connected over TCP RX/TX Data Transfer No IP address Slow Blink Unused Associated, no Internet — Off Unused Associated, Internet OK — 2013-2015 Microchip Technology Inc. IP address OK — DS50002183B-page 17 RN131/RN171/RN1723 Evaluation Kits User’s Guide 1.5.2 RN1723 and RN171 Evaluation Boards Figure 1-2 and Figure 1-3 show the components of the RN1723 Evaluation Board and RN171 Evaluation Board, respectively. Table 1-5 through Table 1-7 provide pin information for the UART and Sensor interfaces, as well as LED descriptions, which are common to both evaluation boards. FIGURE 1-2: RN1723 EVALUATION BOARD COMPONENTS USB mini-B Connector (underside) UART Interface (J4) Status LEDs Battery Pack PCB Trace Antenna Push Buttons Sensor Interface (J5) DS50002183B-page 18 2013-2015 Microchip Technology Inc. Overview FIGURE 1-3: RN171 EVALUATION BOARD COMPONENTS USB mini-B Connector (underside) LEDs Battery Pack UART Interface (J4) PCB Trace Antenna Push Buttons Sensor Interface (J5) TABLE 1-5: Diagram Note 1: RN1723 AND RN171 UART INTERFACE (J4) PIN TABLE Pin Description 1 3.3V DC Output 2 Ground 3 UART Receive (RX) 4 UART Transmit (TX) 5 UART Receive-to-Send (RTS) 6 UART Clear-to-Send (CTS) 7 GPIO4 8 GPIO5 9 GPIO6 10 GPIO7 11 GPIO8 (see Note 1) 12 GPIO9 (internally connected to FN) 13 RESET The RN1723 and RN171 modules drive GPIO8 High on power-up, which overrides software configured power-up values, such as: set sys value 0x0000 on GPIO8. 2013-2015 Microchip Technology Inc. DS50002183B-page 19 RN131/RN171/RN1723 Evaluation Kits User’s Guide TABLE 1-6: RN1723 AND RN171 SENSOR INTERFACE (J5) PIN TABLE Diagram Pin Description 1 Sensor Power 2 Sensor 4 (3.3V tolerant) 3 Sensor 5 (3.3V tolerant) 4 Sensor 7 (1.2V only) 5 Sensor 5 (1.2V only) 6 Sensor 4 (1.2V only) 7 Sensor 6 (1.2V only) 8 Sensor 3 (1.2V only) 9 Ground WARNING Voltage on pins marked 1.2V only should not exceed more than 1.2V DC. Failure to heed this warning will result in permanent damage to the RN evaluation board. Table 1-7 lists the LED indicators common to all RN evaluation boards. TABLE 1-7: RN1723 AND RN171 EVALUATION BOARD LED INDICATORS Condition Blue LED DS50002183B-page 20 On Unused Fast Blink Unused Red LED — Not Associated Yellow LED Green LED — Connected over TCP RX/TX Data Transfer No IP address Slow Blink Unused Associated, no Internet — Off Unused Associated, Internet OK — IP address OK — 2013-2015 Microchip Technology Inc. RN131/RN171/RN1723 EVALUATION KITS USER’S GUIDE Chapter 2. Getting Started This chapter describes using an RN evaluation kit as an independent platform for exploring the ASCII command set and prototyping of embedded systems. Certain hardware and software/utilities are essential to support the development of demonstration applications. This chapter includes the following topics: • Prerequisites • Hardware Configuration • Module Configuration 2.1 PREREQUISITES 2.1.1 Software The following software tools/utilities are required to run the demonstration applications: • A Terminal Emulator application such as TeraTerm (for Windows 7 or later) or CoolTerm (for Mac OS X or later) Note: A Terminal Emulator application is used to send the configuration commands to the RN module over a UART interface. The emulator also displays information transmitted from the RN module. • The RN evaluation boards use the FTDI Chipset. Windows automatically installs the drivers for the USB serial cable. However, if the drivers are not automatically installed, download and install the FTDI Chipset drivers from the Microchip web site as described in 2.2 “Hardware Configuration”. Once the FTDI Chipset drivers are installed, the COM port is automatically assigned based on the active connection 2.1.2 Hardware To set up and run the demonstration applications, the following hardware is required: • PC or laptop running one of these operating systems: - Windows 7 or later - Mac OS X or later • RN evaluation board • USB cable 2013-2015 Microchip Technology Inc. DS50002183B-page 21 RN131/RN171/RN1723 Evaluation Kits User’s Guide 2.2 HARDWARE CONFIGURATION The following steps describe how to set up and configure the hardware: 1. Supply power to the evaluation board using a USB cable. Alternatively, power can be supplied to the RN1723 Evaluation Board and RN171 Evaluation Board by inserting two AAA batteries into the battery pack. 2. Connect the USB cable to a USB port on the host system and to the USB connector on the RN evaluation board. 3. If the drivers are not automatically installed, download and install the FTDI Chipset drivers from http://www.microchip.com/wifi. From the Wireless menu, click Firmware and scroll to the Software section. Click FTDI Chipset Drivers to download the zip archive. 4. Once the FTDI drivers are installed, the COM port is automatically assigned based on the active connection. DS50002183B-page 22 2013-2015 Microchip Technology Inc. Getting Started 2.3 MODULE CONFIGURATION The RN modules of the evaluation boards operate in two modes: • Data mode (default) • Command mode 2.3.1 Data Mode In Data mode, an RN module is essentially a data pipe. When the RN module receives data over Wi-Fi, it strips the TCP/IP headers and trailers, and passes the user data to the UART. When data is written to the UART, the RN module constructs the TCP/IP packet and sends it out over Wi-Fi. Therefore, the entire process of sending/receiving data to the host is transparent to the microcontroller of the end-application/user. 2.3.2 Command Mode By default, the RN module is in Data mode. Sending an escape sequence of three $$$ characters causes the RN module to enter Command mode. Once in Command mode, the RN module can be configured using simple ASCII commands. To exit Command mode and return to Data mode, type exit and press <Enter>. Basic configuration requires the wireless network access point’s name (SSID) and the authentication password. The RN module can associate with only one network at a time. It is recommended to begin evaluation by configuring the RN module using an open access point to simplify the setup. The following two methods are used to configure the RN module: • Over the UART connected to a PC/laptop or to a microcontroller • Through Wi-Fi using Soft AP mode A terminal emulator is required to enter the commands and to monitor the transactions. Figure 2-1 shows an application interface for Data and Command modes. FIGURE 2-1: APPLICATION INTERFACE FOR DATA AND COMMAND MODES 2013-2015 Microchip Technology Inc. DS50002183B-page 23 RN131/RN171/RN1723 Evaluation Kits User’s Guide 2.3.3 Configuration Using a USB Cable Evaluation boards use a USB cable to allow the host computer to communicate with the on-board RN module. The following instructions describe how to use a terminal emulator to enter Configuration mode, send commands to find networks, associate with an access point, and save the configuration. 2.3.3.1 CONFIGURE THE MODULE USING A TERMINAL EMULATOR Either the TeraTerm (for Windows 7 or later) or CoolTerm (for Mac OS X or later) terminal emulator applications can be used. Also, legacy evaluation boards use a USB-to-serial cable for connecting the evaluation board to the PC/laptop. When using any of the evaluation boards, use the COM port to which the USB-to-serial cable is connected. Use the following steps to communicate with an RN module using a terminal emulator: 1. Determine the COM port that is assigned to the USB cable (the port is COM9 in the example shown in Figure 2-2). 2. Open the available terminal emulation application and specify the COM port. 3. When using TeraTerm, open the Serial option and select the COM port number from the drop-down menu. 4. The serial port with the required settings are as follows: • Baud: 9600 • Data bits: 8 • Parity: None • Stop bits: 1 • Flow control: None 5. Type the commands through the terminal emulator application and to the assigned program. Note: The COM port number can be found as follows: • For Windows: Go to the Windows Device Manager from System Tools. In the Device Manager, browse and expand the selection for serial ports (COM & LPT). Use TeraTerm for other configuration settings and monitoring. • For Mac: When using CoolTerm, view and select the port from the same terminal emulator application. DS50002183B-page 24 2013-2015 Microchip Technology Inc. Getting Started FIGURE 2-2: 2013-2015 Microchip Technology Inc. FINDING THE COM PORT NUMBER IN WINDOWS DS50002183B-page 25 RN131/RN171/RN1723 Evaluation Kits User’s Guide 2.3.3.2 ENTER COMMAND MODE The following steps provide an example for entering Command mode through a terminal emulator on the RN171 Evaluation Board. The output will differ depending on which evaluation board is being accessed: 1. Type three $$$ characters with no additional characters before or after each $ character. The RN module replies with CMD on the terminal emulator to indicate it is in Command mode. 2. Type show net and press <Enter> to display the current network settings (Figure 2-3 shows the current network settings of the WiFly application). Note: When a command is completed, the terminal displays a prompt in the format <x.xx>, where ‘x.xx’ indicates the RN module’s firmware version. FIGURE 2-3: CURRENT NETWORK SETTINGS A command to the RN module is first sent with a keyword followed by an optional parameter. For example: set uart baudrate 115200 The RN modules supports a variety of command keywords. The complete command reference is available in the “WiFly Command Reference, Advanced Features and Applications User’s Guide Reference” (DS50002230), which is available from the Microchip web site at: http://www.microchip.com. DS50002183B-page 26 2013-2015 Microchip Technology Inc. RN131/RN171/RN1723 EVALUATION KITS USER’S GUIDE Chapter 3. Application Design Concerns This section provides the design concerns related to powering an evaluation board, sensor interface settings, AP mode, and restoring factory settings. The following topics are discussed: • Sensor Interfaces • Push Button Functions 3.1 SENSOR INTERFACES The input voltage on the sensor inputs must not exceed 1.2V; otherwise, hardware damage could occur. The Analog-to-Digital Converter (ADC) saturates at 400 mV. It is recommended to use the sensor power output to drive any analog devices that are attached to the sensor pins. Note: 3.2 Sensor pins 2 and 3 have a resistor network in front of sensors 4 and 5, respectively. Therefore, these pins can be driven with up to 3.3V DC. PUSH BUTTON FUNCTIONS 3.2.1 FN Push Button The FN push button can be used to place the RN module into one of three modes: AP, Factory reset, and WPS. 3.2.1.1 AP MODE AP mode allows all Wi-Fi-enabled devices to be associated with the RN module. To put the RN module into AP mode, FN must be high when the RN module powers up or wakes from a sleep state. This is done by pressing the FN push button, and then pressing and releasing the RESET/RST push button, which resets the RN module and places it into AP mode. Now that the RN module is in AP mode, a default Wi-Fi network is created with the parameters listed in Table 3-1. Note: Using this method to place the RN module into AP mode will override any previous AP mode software settings. TABLE 3-1: AP MODE DEFAULT SETTINGS Setting AP Mode Default SSID WiFly-xxx-yy Where ‘xxx’ is GSX for RN131, EZX for RN171, and FZX for RN1723 and ‘yy’ is the LSB of the module’s MAC address. Channel 1 DHCP Server Enabled IP Address 192.168.1.1 Netmask 255.255.255.0 Gateway 192.168.1.1 Once the RN module boots, other Wi-Fi-enabled devices will be able to locate the RN module whenever scanning for access points. 2013-2015 Microchip Technology Inc. DS50002183B-page 27 RN131/RN171/RN1723 Evaluation Kits User’s Guide 3.2.1.2 FACTORY RESET In Factory Reset mode, an RN module is restored to the factory default condition. As shown in Figure 1-1, Figure 1-2, and Figure 1-3 in 1.5 “RN Evaluation Board Components”, the FN push button is used in conjunction with the RESET/RST push button to perform a factory reset. 3.2.1.3 WPS The Wi-Fi Protected Setup (WPS) mode allows the RN module to be associated to the appropriate access point. WPS mode is entered by pressing and releasing the FN push button while the launch_string configuration parameter is set to wps_app. By default, the launch_string is set to web_app. Refer to the “WiFly Command Reference, Advanced Features and Applications User’s Guide” (DS50002230) for information. This document is available from the Microchip web site at: http://www.microchip.com/wifi. 3.2.2 RESET/RST Push Button When the RESET/RST push button is pressed, the RN module will briefly power down and restart. DS50002183B-page 28 2013-2015 Microchip Technology Inc. RN131/RN171/RN1723 EVALUATION KITS USER’S GUIDE Appendix A. Schematics, Bill of Materials, and Dimensions This appendix provides the schematics, Bill of Materials (BOM), and physical dimensions for the RN evaluation boards. RN131 EVALUATION BOARD RN131 MODULE ISP_RX 23 GPIO_9 24 GPIO_8 25 GPIO_7 26 26 GPIO_7 GPIO_6 27 GPIO_5 28 GPIO_4 29 29 GPIO_4 SENSOR_1 30 SENSOR_2 31 SENSOR_3 32 32 SENSOR_3 SPI_MOSI 14 14 15 SPI_SCK 15 16 SPI_MISO 16 18 SREG_IN 18 19 GND 19 SREG_OUT 17 17 13 UART_RX(GPIO_11) 12 UART_CTS(GPIO_12) 11 UART_RTS(GPIO_13) 10 FORCE_AWAKE 9 25 GPIO_8 27 GPIO_6 SUPERCAP_BALANCE CTS 10 RTS 9 FORCE_AWAKE 7 RESET 5 5 6 RESET_N 4 SENSOR_7 3 SENSOR_5 SENSOR_4 2 2 SENSOR_4 SENSOR_6 1 1 SENSOR_6 SENSOR_7 4 SENSOR_5 3 44 44 GND 43 GND 43 42 GND 42 41 41 GND 40 GND 40 11 6 34 SENSOR_0 39 GND RXD EPC_A 33 SENSOR_POWER 39 12 7 31 SENSOR_2 36 TXD EPC_B 30 SENSOR_1 2013-2015 Microchip Technology Inc. 13 8 8 28 GPIO_5 38 38 GND 34 UART_TX (GPIO_10) 24 GPIO_9 36 GND SENSOR_0 33 M1 RN131 Module ISP_RX 37 GND SENSOR_POWER 23 BATT 20 20 22 ISP_TX 22 21 VDD_3V3 ISP_TX VDD 21 FIGURE A-1: 37 A.1 DS50002183B-page 29 RN131/RN171/RN1723 Evaluation Kits User’s Guide FIGURE A-2: RN131 FTDI CHIPSET INTERFACE C2 C1 100nF C3 VBUS Power Net i 100nF FIGURE A-3: J1 1 2 3 4 5 6 7 8 9 16 U1 FT232RQ USBDM USBDP RESET CBUS0 CBUS1 CBUS2 CBUS3 CBUS4 OSCI 20 17 4 24 33 22 21 10 11 9 TXD RXD RTS CTS DTR DSR DCD RI VBUS 3V3OUT 30 2 32 8 31 6 7 3 26 TEST 3k3 3k3 3k3 3k3 VCCIO 1 R1 R3 R2 R4 GND GND GND AGND THPAD RXD TXD CTS RTS VCC 19 100nF OSCO i Power Net J2 1 VBUS 2 D3 D+ 15 D_N D_P 14 5 18 MTAB 6 GND USB Mini B 27 28 RN131 SENSOR INTERFACE SENSOR_POWER SENSOR4_PIN SENSOR5_PIN SENSOR_7 SENSOR_5 SENSOR_4 SENSOR_6 SENSOR_3 R5 R10 220k 220k SENSOR_4 SENSOR_5 R8 RXD R15 CTS GPIO_9 R11 220k 220k 220k SENSOR_0 SENSOR_1 SENSOR_2 Sensor Interface R14 100k DS50002183B-page 30 R16 100k R9 100k R6 100k R7 100k 2013-2015 Microchip Technology Inc. Schematics, Bill of Materials, and Dimensions FIGURE A-4: RN131 PUSH BUTTONS VDD_3V3 GPIO_9 S2 RESET_N S1 FIGURE A-5: RN131 UART INTERFACE VDD_3V3 J3 1 2 3 4 5 6 7 8 9 10 11 12 13 RXD TXD RTS CTS GPIO_4 GPIO_5 GPIO_6 GPIO_7 GPIO_8 GPIO_9 RESET_N UART Interface FIGURE A-6: RN131 ISP CONNECTOR GND ISP_TX FORCE_AWAKE ISP_RX 1 3 5 7 9 2 4 6 8 10 RXD RESET_N TXD J4 ISP Connector GND 2013-2015 Microchip Technology Inc. DS50002183B-page 31 RN131/RN171/RN1723 Evaluation Kits User’s Guide FIGURE A-7: RN131 USB CONNECTOR U2 TC1262-3.3VDBTR VBUS VDD_3V3 Vin Vout 3 Tab i Power Net C4 100nF 4 2 GND 1 i Power Net FIGURE A-8: RN131 LEDS R23 Blue GPIO_7 220R R20 GPIO_4 100k R18 GPIO_5 R21 GPIO_6 GPIO_7 100k R22 R17 D3 Yellow GPIO_5 220R 100k R19 GPIO_4 220R 100k R12 D4 Green R13 GPIO_8 D2 Red GPIO_6 220R 100k D1 DS50002183B-page 32 2013-2015 Microchip Technology Inc. Schematics, Bill of Materials, and Dimensions A.2 RN171 EVALUATION BOARD AND RN1723 EVALUATION BOARD FIGURE A-9: RN171 MODULE AND RN1723 MODULE SCHEMATIC SENSOR_0 29 SENSOR_1 30 SENSOR_2 31 31 SENSOR_2 SENSOR_3 32 SENSOR_POWER 33 VDD_3V3 GND 21 21 22 GND 22 23 GND 23 25 GND 25 26 28 GND ANTENNA 24 24 28 GND 26 GND 27 27 A1 GND 20 29 SENSOR_0 VDD_3V3_SW 19 30 SENSOR_1 SPI_MOSI 35 SENSOR_5 36 18 20 19 18 SPI_SCK 17 17 32 SENSOR_3 SPI_MISO 16 33 SENSOR_POWER FLASH_CS 15 34 34 VDD_3V3_RF SENSOR_4 M1 RN171 16 15 GND 14 14 13 35 SENSOR_4 GPIO_1 13 36 SENSOR_5 GPIO_2 12 SENSOR_6 37 37 SENSOR_6 GPIO_3 11 11 SENSOR_7 38 VDD_3V3 10 VDD_3V3 10 39 GND GPIO_4 9 9 GPIO_4 RESET_N 40 40 RESET GPIO_5 88 GPIO_5 FORCE_AWAKE 41 7 GPIO_6 GPIO_7 6 6 GPIO_7 GPIO_8 55 GPIO_8 4 GPIO_9 41 FORCE_AWAKE GPIO_6 43 43 GPIO_13 (UART_RTS) CTS 44 RXD 45 TXD 46 46 GPIO_10 (UART_TX) 47 44 GPIO_12 (UART_CTS) 45 GPIO_11 (UART_RX) 47 GND D5 GPIO_9 7 4 ISP_RX 3 3 ISP_RX ISP_TX 22 ISP_TX GND 1 1 48 RTS 48 3V3_REG_CTRL 42 GPIO_14 49 VBATT 42 49 39 38 SENSOR_7 12 i Power Net PMEG2005CT,215 U1 TC1262-3.3VDBTR Power Net i VBUS 3 VDD_3V3 Tab GND Vout 4 C3 10uF Vin 2 1 D6 C11 10uF Power Net i BATTERY L1 J7 1uH Power Net i C1 100nF Power Net i Q1 DMN2050L PMEG2005CT,215 i Power Net 2013-2015 Microchip Technology Inc. 1 2 C2 10uF Battery i Q2 DMN2050L Power Net DS50002183B-page 33 RN131/RN171/RN1723 Evaluation Kits User’s Guide FIGURE A-10: RN1723 AND RN171 FTDI CHIPSET INTERFACE C5 C6 100nF C4 VBUS Power Net i 100nF FIGURE A-11: J5 1 2 3 4 5 6 7 8 9 16 U2 FT232RQ USBDM USBDP RESET CBUS0 CBUS1 CBUS2 CBUS3 CBUS4 OSCI 20 17 4 24 33 22 21 10 11 9 TXD RXD RTS CTS DTR DSR DCD RI VBUS 3V3OUT 30 2 32 8 31 6 7 3 26 TEST 3k3 3k3 3k3 3k3 VCCIO 1 R23 R21 R24 R22 GND GND GND AGND THPAD RXD TXD CTS RTS VCC 19 100nF OSCO i Power Net J6 1 VBUS 2 D3 D+ 15 D_N D_P 14 5 18 MTAB 6 GND USB Mini B 27 28 RN1723 AND RN171 SENSOR INTERFACE SENSOR_POWER SENSOR4_PIN SENSOR5_PIN SENSOR_7 SENSOR_5 SENSOR_4 SENSOR_6 SENSOR_3 R2 R1 RXD R17 CTS R18 GPIO_9 R8 220k 220k SENSOR_4 SENSOR_5 220k 220k 220k SENSOR_0 SENSOR_1 SENSOR_2 Sensor Interface R6 100k DS50002183B-page 34 R7 100k R4 100k R12 100k R9 100k 2013-2015 Microchip Technology Inc. Schematics, Bill of Materials, and Dimensions FIGURE A-12: RN1723 AND RN171 PUSH BUTTONS VDD_3V3 GPIO_9 S2 RESET_N S1 FIGURE A-13: RN1723 AND RN171 UART INTERFACE VDD_3V3 J4 1 2 3 4 5 6 7 8 9 10 11 12 13 RXD TXD RTS CTS GPIO_4 GPIO_5 GPIO_6 GPIO_7 GPIO_8 GPIO_9 RESET_N UART Interface FIGURE A-14: RN1723 AND RN171 ISP CONNECTOR GND ISP_TX FORCE_AWAKE ISP_RX 1 3 5 7 9 2 4 6 8 10 RXD RESET_N TXD J8 ISP Connector GND 2013-2015 Microchip Technology Inc. DS50002183B-page 35 RN131/RN171/RN1723 Evaluation Kits User’s Guide FIGURE A-15: RN1723 AND RN171 LEDS R20 Blue GPIO_7 220R R19 GPIO_4 100k R14 GPIO_5 R15 GPIO_6 GPIO_4 220R 100k R10 D4 Green R11 D3 Yellow GPIO_5 220R 100k R13 GPIO_7 100k R16 GPIO_8 R5 D2 Red GPIO_6 220R 100k D1 DS50002183B-page 36 2013-2015 Microchip Technology Inc. Schematics, Bill of Materials, and Dimensions A.3 BILL OF MATERIALS TABLE A-1: RN131 EVALUATION BOARD BILL OF MATERIALS (BOM) Reference Value C1, C2, C3 100 nF Cap ceramic, -20%, 80%, 16V, Y5V, 0402 Yageo CC0402ZRY5V7BB104 C4 100 nF Cap ceramic, -20% / 80%, 16V, Y5V, 0603 Yageo CC0603ZRY5V7BB104 D1 Red Lite-On Inc. LTST-C150CKT D2 Yellow Lite-On Inc. LTST-C150YKT D3 Green Lite-On Inc. LTST-C150GKT D4 Blue Clear, Red LED, 10 mA, 1.8V, 638 nm, 130 degrees, 1206 Clear, Yellow LED, 10 mA, 2.1V, 588 nm, 130 degrees, 1206 Clear, Green LED, 10 mA, 2.1V, 569 nm, 130 degrees, 1206 Clear, Blue LED, 20 mA, 3.3V, 470 nm, 130 degrees, 1206 Lite-On Inc. LTST-C150TBKT J2 M1 R1, R2, R3, R4 R5, R8, R10, R11, R15 R6, R7, R9, R12, R14, R16, R18, R19, R20, R22 R13, R17, R21, R23 S1, S2 U1 U2 Description Vendor USB mini-B CONN USB RCPT MINI B 5PS R/A JAE SMD Vendor P/N DX2R005HN2E700 — 3k3 RN131 Module Res, 5%, 0.1W, 0402 Microchip Technology Inc. RN-131 Panasonic - ECG ERJ-2GEJ332X 220k Res, 5%, 0.1W, 0402 Panasonic - ECG ERJ-2GEJ224X 100k Res, 5%, 0.1W, 0402 Panasonic - ECG ERJ-2GEJ104X 220R Res, 5%, 0.1W, 0402 Panasonic - ECG ERJ-2GEJ221X C&K Components KSR211J Push button SWITCH TACTILE SPST-NO 0.05A 32V FT232RQ IC USB FS SERIAL UART 32-QFN FTDI FT232RQ-REEL TC1262-3.3V Linear Voltage Regulator Microchip Technology Inc. TC1262-3.3VDBTR 2013-2015 Microchip Technology Inc. DS50002183B-page 37 RN131/RN171/RN1723 Evaluation Kits User’s Guide TABLE A-2: Reference RN171 EVALUATION BOARD AND RN1723 EVALUATION BOARD BILL OF MATERIALS (BOM) Value C1 100 nF C2, C3, C11 10 µF C4, C5, C6 100 nF D1 Red D2 Yellow D3 D4 D5, D6 J6 L1 M1 Q1, Q2 R1, R2, R8, R17, R18 R4, R6, R7, R9, R10, R12, R13, R14, R16, R19 R5, R11, R15, R20 R21, R22, R23, R24 S1, S2 U1 U2 Description Cap ceramic, -20% / 80%, 16V, Y5V, 0603 Cap ceramic, 20%, 6.3V, X5R, 0603 Cap ceramic, -20%, 80%, 16V, Y5V, 0402 Vendor Yageo CC0603ZRY5V7BB104 TDK Corporation C1608X5R0J106M Yageo CC0402ZRY5V7BB104 Clear, Red LED, 10 mA, 1.8V, 638 Lite-On Inc. nm, 130 degrees, 1206 Clear, Yellow LED, 10 mA, 2.1V, 588 nm, 130 degrees, 1206 Green Clear, Green LED, 10 mA, 2.1V, 569 nm, 130 degrees, 1206 Blue Clear, Blue LED, 20 mA, 3.3V, 470 nm, 130 degrees, 1206 PMEG2005C Dual Schottky diode, 1A, 20V, T,215 SOD-123F LTST-C150CKT Lite-On Inc. LTST-C150YKT Lite-On Inc. LTST-C150GKT Lite-On Inc. LTST-C150TBKT NXP Semiconductor PMEG2005CT,215 USB mini-B CONN USB RCPT MINI B 5PS R/A JAE SMD 1uH — INDUCTOR 1.0UH 30% SMD RN171 Module DMN2050L N MOSFET 5.9A, 20V, 29 mOhm, SOT23-3 Vendor P/N DX2R005HN2E700 Taiyo Yuden NR3015T1R0N Microchip Technology Inc. RN-171 Dioded Inc. DMN2050L-7 220k Res, 5%, 0.1W, 0402 Panasonic - ECG ERJ-2GEJ224X 100k Res, 5%, 0.1W, 0402 Panasonic - ECG ERJ-2GEJ104X 220R Res, 5%, 0.1W, 0402 Panasonic - ECG ERJ-2GEJ221X 3k3 Res, 5%, 0.1W, 0402 Panasonic - ECG ERJ-2GEJ332X C&K Components KSR211J Push button SWITCH TACTILE SPST-NO 0.05A 32V TC1262-3.3V Linear Voltage Regulator FT232RQ DS50002183B-page 38 Microchip Technology Inc. TC1262-3.3VDBTR IC USB FS SERIAL UART 32-QFN FTDI FT232RQ-REEL 2013-2015 Microchip Technology Inc. Schematics, Bill of Materials, and Dimensions A.4 PHYSICAL DIMENSIONS FIGURE A-16: RN131 EVALUATION BOARD PHYSICAL DIMENSIONS FIGURE A-17: RN171 EVALUATION BOARD AND RN1723 EVALUATION BOARD PHYSICAL DIMENSIONS 2013-2015 Microchip Technology Inc. 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