RN-XV-U [ETC]
The RN-XV-EK is an evaluation platform for the RN-XV module.; 在RN - XV- EK是一个评估平台，为RN- XV模块。
| 型号： | RN-XV-U |
| 厂家： | 
ETC |
| 描述： | The RN-XV-EK is an evaluation platform for the RN-XV module. |
| 文件： | 总6页 (文件大小：401K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RN-XV-EK-DS
RN-XV-EK Evaluation Board
Features
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Evaluation board for the RN-XV module, which is
based on Roving Networks’ robust RN-171 Wi-Fi
module
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Supports several antenna options, depending on
the RN-XV module selected
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WPS pushbutton for easy configuration
Reset pushbutton wakes the module
Standard USB connector
Hardware interface: USB via FTDI chipset
Applications
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Industrial metering
HVAC control
Room temperature sensors
Pump configuration and control
Telemetry
Description
The RN-XV-EK is an evaluation platform for the RN-
XV module. The board connects to a PC via the
standard USB cable, and provides 2 pushbutton
switches to control WPS mode and to reset the
module. The board has connectors to drop in the RN-
XV, as well as headers that allow wires access to the
RN-XV signals.
PV/solar controllers
Robotics
Based on a pseudo standard footprint often found in
embedded applications, the RN-XV is a 802.11 b/g
solution for designers who want to migrate their
existing 802.15.4 architecture to a more standard
TCP/IP-based platform without redesigning their
existing hardware.
The RN-XV module is based on Roving Networks'
robust RN-171 Wi-Fi module and incorporates an
802.11 b/g radio, a 32-bit SPARC processor, a
TCP/TP stack, a real-time clock, a crypto accelerator,
power management unit, and an analog sensor
interface. The module is pre-loaded with firmware to
simplify integration and minimize applications
development time.
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OVERVIEW
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Carrier board for the RN-XV module
Contains the FTDI chipset for USB to TTL conversion
Contains a USB miniconnector
Contains reset and AP mode pushbuttons
Brings the RN-XV signals out on headers for easy debugging
The evaluation board’s moisture sensitivity level (MSL) is 1; its size and weight are:
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Size—1.58” x 1” x 0.25”
Weight—0.22 oz
BOARD DESCRIPTION
This document describes the hardware for Roving Networks RN-XV-EK evaluation board, which allows you to
evaluate the RN-XV 802.11 b/g module. The RN-XV module, which is sold separately, mounts to the evaluation
board and contains the RN-171 Wi-Fi module. Figure 1. RN-XV-EK Components shows the RN-XV-EK components.
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Figu re 1. R N -XV-E K Com pon en ts
RN-XV Interface
RN-XV Interface
RX - input to evaluation board
RX - input to evaluation board
TX - output from evaluation board
TX - output from evaluation board
Pin
1
Description
3.3 VDC output
TXD
Pin
1
Description
Sensor 2 (3.3-V tolerant)
2
2
Sensor 3 (3.3-V tolerant)
3
RXD
3
GPIO3
4
GPIO8
4
Sensor 5 (3.3-V tolerant)
5
RESET
GPIO5
5
CTS
GPIO6
Unused
GPIO4
RTS
6
6
7
GPIO7
7
8
GPIO9
8
9
GPIO1
9
10
GND
10
GPIO14
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PHYSICAL DIMENSIONS
Figure 2 shows the evaluation board’s physical dimensions.
Figu re 2. R N -XV-E K P h ysical D im en sion s
DESIGN CONCERNS
The following sections provide information on designing with the RN-XV-EK module.
Powering the Module
When plugged in, the module receives power from the PC via the USB cable.
GPIO9 Functions
The AP pushbutton is connected to GPIO9. Depending on the state of GPIO9, the module goes into three different
modes: access point (AP) mode, factory reset, and WPS mode.
AP Mode
To put the module into AP mode, GPIO9 must be high when the module powers up or wakes from a sleep state.
Press the AP mode button to drive GPIO9 high, and then press the reset button to reset the module. The module is in
default AP mode, which creates a default access point network with the default parameters shown in Table 1.
NOTE: This default mode overwrites any software settings.
Table 1. D efau lt A P M ode Settin gs
Setting
SSID
AP Mode Default
WiFlyAP-XX, where XX is the last two bytes of the module’s MAC address
Channel
1
DHCP server
IP address
Netmask
Enabled
1.2.3.4
255.255.255.0
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Gateway
1.2.3.4
When the module boots, other Wi-Fi-enabled devices (PC, iPhone, iPad, Android tablet, etc.) should be able to see
the module when they scan for access points.
Factory Reset
In this mode, the module is restored to the factory defaults. To restore the defaults, perform he following steps:
1. Put the module into default AP mode as described in “AP Mode”.
2. Press the AP Mode pushbutton 5 times (with 1 or more seconds between presses).
The module is restored to the initial factory default configuration. This setting is useful for cases in which the module
is misconfigured and is no longer responding.
WPS Mode
When the module is acting as a client (not in access point mode), you can invoke WPS functionality by pressing the
AP pushbutton. Before you can invoke this mode, the WPS functionality must enabled in software using the
command set sys trigger 0x10.
Reset
The Reset pushbutton reboots the module. You can use the Reset and AP pushbuttons to toggle whether the module
is in client or AP mode. If you press the P pushbutton before pressing Reset, the module goes into default AP mode.
If you press the Reset button only, the module goes into client mode.
Drivers
RN-XV-EK board uses the FTDI chip set. When you connect the cable, the PC should install the drivers
automatically. If not, you can download the drivers from the Support page on the Roving Networks website at
http://www.rovingnetworks.com/support.php.
RESOURCES & RELATED DOCUMENTS
For more information, refer to the following sources, which are available on the Support page on the Roving Networks
website at http://www.rovingnetworks.com/support.php:
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RN-XV Data Sheet
RN-171 Data Sheet
WiFly Advanced User Manual
WiFly Training Presentation
Drivers, tools, and utilities
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ORDERING INFORMATION
Table 2 provides ordering information. For the evaluation described in this document, Roving Networks recommends
purchasing the RN-XV-W, which has a ¼ inch wire antenna.
Table 2. O rderin g In form ation
Part Number
RN-XV-EK
Description
Evaluation board for the RN-XV module.
Standard configuration, industrial temperature, 802.15.4 replacement solution with ¼ inch wire
antenna. For other configurations, contact Roving Networks directly.
Custom configuration, industrial temperature (-40 oC to +85 oC) 802.15.4 replacement solution
with SMA connector.
RN-XV-W
RN-XV-S
Custom configuration, industrial temperature (-40 oC to +85 oC) 802.15.4 replacement solution
with U.FL. connector.
RN-XV-U
RN-USB
USB cable.
Go to http://www.rovingnetworks.com for current pricing and a list of distributors carrying Roving Networks products.
Copyright © 2012 Roving Networks. All rights reserved. Roving Networks is a
registered trademark of Roving Networks. Apple Inc., iPhone, iPad, iTunes,
Made for iPhone are registered trademarks of Apple Computer.
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’s
product design. Customers are responsible for their products and applications
which use Roving Networks components. To minimize customer product risks,
customers should provide adequate design and operating safeguards.
Roving Networks, Inc.
Roving Networks products are not authorized for use in safety-critical
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Los Gatos, CA 95032
applications (such as life support) where a failure of the Roving Networks
product would reasonably be expected to cause severe personal injury or
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death, unless officers of the parties have executed an agreement specifically
governing such use.
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