Telit wireless solutions Se880 User manual

SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Downloaded from Arrow.com.

SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

APPLICABILITY TABLE

PRODUCT

SE880

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SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

Notice

While reasonable efforts have been made to assure the accuracy of this document, Telit

assumes no liability resulting from any inaccuracies or omissions in this document, or from

use of the information obtained herein. The information in this document has been carefully

checked and is believed to be entirely reliable. However, no responsibility is assumed for

inaccuracies or omissions. Telit reserves the right to make changes to any products described

herein and reserves the right to revise this document and to make changes from time to time

in content hereof with no obligation to notify any person of revisions or changes. Telit does

not assume any liability arising out of the application or use of any product, software, or

circuit described herein; neither does it convey license under its patent rights or the rights of

others.

It is possible that this publication may contain references to, or information about Telit

products (machines and programs), programming, or services that are not announced in your

country. Such references or information must not be construed to mean that Telit intends to

announce such Telit products, programming, or services in your country.

Copyrights

This instruction manual and the Telit products described in this instruction manual may be,

include or describe copyrighted Telit material, such as computer programs stored in

semiconductor memories or other media. Laws in the Italy and other countries preserve for

Telit and its licensors certain exclusive rights for copyrighted material, including the

exclusive right to copy, reproduce in any form, distribute and make derivative works of the

copyrighted material. Accordingly, any copyrighted material of Telit and its licensors

contained herein or in the Telit products described in this instruction manual may not be

copied, reproduced, distributed, merged or modified in any manner without the express

written permission of Telit. Furthermore, the purchase of Telit products shall not be deemed

to grant either directly or by implication, estoppel, or otherwise, any license under the

copyrights, patents or patent applications of Telit, as arises by operation of law in the sale of a

product.

Computer Software Copyrights

The Telit and 3rd Party supplied Software (SW) products described in this instruction manual

may include copyrighted Telit and other 3rd Party supplied computer programs stored in

semiconductor memories or other media. Laws in the Italy and other countries preserve for

Telit and other 3rd Party supplied SW certain exclusive rights for copyrighted computer

programs, including the exclusive right to copy or reproduce in any form the copyrighted

computer program. Accordingly, any copyrighted Telit or other 3rd Party supplied SW

computer programs contained in the Telit products described in this instruction manual may

not be copied (reverse engineered) or reproduced in any manner without the express written

permission of Telit or the 3rd Party SW supplier. Furthermore, the purchase of Telit products

shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any

license under the copyrights, patents or patent applications of Telit or other 3rd Party supplied

SW, except for the normal non-exclusive, royalty free license to use that arises by operation

of law in the sale of a product.

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SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

Usage and Disclosure Restrictions

License Agreements

The software described in this document is the property of Telit and its licensors. It is

furnished by express license agreement only and may be used only in accordance with the

terms of such an agreement.

Copyrighted Materials

Software and documentation are copyrighted materials. Making unauthorized copies is

prohibited by law. No part of the software or documentation may be reproduced, transmitted,

transcribed, stored in a retrieval system, or translated into any language or computer language,

in any form or by any means, without prior written permission of Telit

High Risk Materials

Components, units, or third-party products used in the product described herein are NOT

fault-tolerant and are NOT designed, manufactured, or intended for use as on-line control

equipment in the following hazardous environments requiring fail-safe controls: the operation

of Nuclear Facilities, Aircraft Navigation or Aircraft Communication Systems, Air Traffic

Control, Life Support, or Weapons Systems (High Risk Activities"). Telit and its supplier(s)

specifically disclaim any expressed or implied warranty of fitness for such High Risk

Activities.

Trademarks

TELIT and the Stylized T Logo are registered in Trademark Office. All other product or

service names are the property of their respective owners.

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SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

Contents

1. Introduction ..........................................................................................................7

1.1. Scope ........................................................................................................................ 7

1.2. Audience ................................................................................................................... 7

1.3. Contact Information, Support................................................................................... 7

1.4. Text Conventions ...................................................................................................... 8

1.5. Related Documents .................................................................................................. 8

2. Preparing for the SE880........................................................................................9

What is Necessary.................................................................................................................. 9

2.1. Installing the USB Drivers........................................................................................ 9

2.2. Installing SiRFLive.................................................................................................... 9

3. SE880 Evaluation Kit ...........................................................................................10

3.1. What’s in the Box.................................................................................................... 10

3.2. Jupiter Evaluation Board........................................................................................ 11

3.2.1. Switch Configuration ....................................................................................................12

3.2.2. LDOs enable configuration...........................................................................................13

4. Step-by-Step: Installing and running the SE880 EVK..........................................14

4.1. Step-by-Step: First Time Connection .................................................................... 14

4.2. Powering on the EVK .............................................................................................. 15

5. SE880 on SiRFLive ..............................................................................................16

5.1. Main Interface......................................................................................................... 16

5.2. Connecting To the SE880........................................................................................ 16

5.2.1. Main Menu Bar..............................................................................................................16

5.2.2. Main Tool Bar................................................................................................................17

5.2.3. Rx Port Settings ............................................................................................................17

5.3. SiRFLive Windows .................................................................................................. 18

5.3.1. Signal View....................................................................................................................18

5.3.2. Radar View ....................................................................................................................19

5.3.3. Debug View....................................................................................................................20

5.3.4. Location View ................................................................................................................21

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SE880 EVK User Manual

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Mod. 0809 2011-07 Rev.2

5.4. Receiver Commands .............................................................................................. 22

5.4.1. Sending Resets .............................................................................................................23

5.4.2. Switch Protocol.............................................................................................................23

5.4.3. Setting the IC Configuration .........................................................................................25

5.4.4. Logging Data .................................................................................................................27

6. APPENDIX ...........................................................................................................29

6.1. Internal LNA and Antenna...................................................................................... 29

6.1.1. Active Antenna ..............................................................................................................29

6.1.2. Passive Antenna ...........................................................................................................29

7. Document History ...............................................................................................30

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SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

1. Introduction

1.1. Scope

Scope of this document is to give an overview of the Evaluation kit of the GPS standalone

module SE880.

1.2. Audience

This document is intended for customers who are evaluating one or more products in the

applicability table.

1.3. Contact Information, Support

For general contact, technical support, to report documentation errors and to order manuals,

contact Telit Technical Support Center (TTSC) at:

[email protected]

Alternatively, use:

http://www.telit.com/en/products/technical-support-center/contact.php

For detailed information about where you can buy the Telit modules or for recommendations

on accessories and components visit:

http://www.telit.com

To register for product news and announcements or for product questions contact Telit

Technical Support Center (TTSC).

Our aim is to make this guide as helpful as possible. Keep us informed of your comments and

suggestions for improvements.

Telit appreciates feedback from the users of our information.

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SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

1.4. Text Conventions

Danger – This information MUST be followed or catastrophic equipment failure

or bodily injury may occur.

Caution or Warning – Alerts the user to important points about integrating the

module, if these points are not followed, the module and end user equipment

may fail or malfunction.

Tip or Information – Provides advice and suggestions that may be useful when

integrating the module.

All dates are in ISO 8601 format, i.e. YYYY-MM-DD.

1.5. Related Documents

•SE880 HW User Guide

•SE880 Product Descritption

NOTE:

•To prevent ESD and EOS damage, a properly grounded ESD wrist strap should be worn

when working inside the EVK.

•Do not alter switch positions while USB power is applied.

•Do not short the RF signal to ground if the antenna voltage is installed. Damage to the

EVK may result.

NOTE:

Always follow ESD safety precautions when utilizing the SE880 evaluation kit. For

additional information on the SE880, ask your sales representative for additional manuals,

datasheets, support, etc.

SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

2. Preparing for the SE880

What is Necessary

To use the SE880 Evaluation kit, you will need:

•FTDI USB Drivers

•SiRFLive2.0 and above or

•SiRFDemo

•A PC with a USB port that fulfills the minimum software requirements:

oWindows XP

o.NET Framework 2.0

ThiswillbeautomaticallyinstalledbytheSiRFLivepackageif

necessary(internetconnectionisrequired).

2.1. Installing the USB Drivers

Before connecting the SE880 Evaluation Kit, install the necessary USB drivers.

1Double-click the USB driver executable and follow the directions to install the USB

drivers.

2.2. Installing SiRFLive

Install the current SiRFLive with the attached installer. Follow the installer directions until

finished. Users should allow SiRFLive to install to the default location – C:\Program

Files\SiRF\SiRFLive, but it can be changed if necessary.

***NOTE*** SiRFLive does not work on 64-bit OS machine at this time!

Minimum PC requirements:

•PentiumCPU2GHz

•1GBofRAM

•100MBharddrive

Recommended

•2GBofRAM

•1280x1024screenresolution

Ensure that all previous installation versions of SiRFLive have been uninstalled before installing any

newer versions!

SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

3. SE880 Evaluation Kit

3.1. What’s in the Box

Antenna

SE880 Eval Kit USB Drive

SE880 EVK User Manual

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Mod. 0809 2011-07 Rev.2

3.2. Jupiter Evaluation Board

TX LED 1PPS LED LDOs Enable Jumpers DIP Switch SW102

Figure 2: SE880 EVK assembly drawing

ON_OFF Pulse Toggle Switch SE880

Item Function

TX LED LED that is tied to the USB to UART bridge TX line. The LED blinks whenever

there is activity on the TX line.

1PPS LED LED that pulses ON at ¼ a second and OFF at ¾ a second, indicating a fix with the

receiver.

Toggle Switch Switch that acts on the enable signals of the 3V and SE880 VDD; it permits to turn on

and off these two voltages while living the SE880 VKA on, thus allowing to simulate

a battery backed-up configuration.

ON_OFF Pulse Pushbutton that sends a 1.8V voltage pulse to the ON_OFF input of the SE880

module.

DIP Switch Externally accessible DIP switch for power supply, active antenna and boot mode

configuration (please refer to paragraph 3.2.1 for details)

LDO Enable Jumpers These jumpers allow the connection/disconnection of the enable signals of the 3

LDOs available on the board.

SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

3.2.1. Switch Configuration

Switch position Function in ON state

1 Reserved fo future use

2 Active antenna supply connection

3 L104 connection for SE880 switching mode power supply

4 L104 bypass for SE880 LDO mode power supply

Notes:

•Each switch is in ON state when in low position.

•Switches in position 3 and 4 must be active alternatively, since they are acting

on the same signal.

SE880 EVK User Manual

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3.2.2. LDOs enable configuration

The SE880 EVK presents 3 jumpers (PL103, PL104 and PL105) connected to the enable

signals of the on board LDOs generating the following voltages:

•SE880 VKA (1.8V): this voltage (also available on TP117) acts as the backup voltage

of the SE880 and is supposed to be always present when the USB 5V voltage is

present. PL103, when populated, connects the SE880 VKA enable signal (active

high) to the USB voltage.

•SE880 VDD (1.8V): it’s the main supply of the SE880 (also available on TP120) and

it’s enabled or disabled using the toggle switch. PL105, when populated, connects its

enable signal to the toggle switch output.

•3.3V (available on TP118): used for active antenna and additional on-board circuitry,

it’s enabled or disabled using the toggle switch. PL104, when populated, connects its

enable signal to the toggle switch output.

SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

4. Step-by-Step: Installing and running the SE880 EVK

4.1. Step-by-Step: First Time Connection

1. Before connecting the evaluation board, ensure that the USB drivers have been installed.

2. As soon as the evaluation board is connected to the PC, it will be detected and installed.

Figure 3: USB installation, select “Continue Anyway” to proceed.

3. After the evaluation board has been installed, check the “Device Manager” window for

the evaluation board COM port number. This information is needed for use with the GPS

tools.

Figure 4: In this case, the COM port is assigned as COM5

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SE880 EVK User Manual

1vv0301048 Rev. 1 – 2013-01-16

Mod. 0809 2011-07 Rev.2

4.2. Powering on the EVK

1. At first application of power (connecting of USB) only the SE880 VKA voltage is

applied.

2. Put in low position switch 4 of SW102 to have the SE880 internal regulator working in

linear mode or put in low position switch 3 of SW102 to have the SE880 internal

regulator working in switching mode (to set the SE880 power supply in switching mode

you’ll be also required to send a proper command on UART interface).

3. Turn on the toggle switch (it’s on when in high position). At this point the SE880 will be

in hibernate mode.

4. Press the ON/OFF pulse button to bring the unit into Full Power Mode.

5. If using the provided active antenna please put in low position switch 2 of SW102; the

board provides 3.3V to the active antenna whit the SE880 in Full Power Mode. If using a

passive antenna or connecting the board to an instrument please disable the active

antenna supply putting switch 2 in high position. To correctly exploit the chosen antenna

please verify the internal LNA status as reported in paragraph 5.4.3.

6. Place the GPS Active Antenna to where it has a clear view of open sky.

7. The evaluation board can now be manipulated with the provided GPS tools (SiRFLive or

SiRFDemo).

8. Refer to Chapter 15: SE880 on SiRFLive for using the SE880 on SiRFLive.

SE880 EVK User Manual

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Mod. 0809 2011-07 Rev.2

5. SE880 on SiRFLive

Launch the SiRFLive application.

5.1. Main Interface

After launching SiRFLive, first notice the application’s main interface.

Figure 5: Main Menu Bar

Figure 6: Main Tool Bar

5.2. Connecting To the SE880

The user can utilize either the Main Menu Bar or the Main Tool Bar.

5.2.1. Main Menu Bar

Under the option “Receiver” on the Main Menu Bar, there is a selection “Connect. . .” This

will open the Receiver settings for connection.

Figure 7: Connect to Receiver

SE880 EVK User Manual

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5.2.2. Main Tool Bar

Select the “Receiver Settings” button

Or the “Connect” button

5.2.3. Rx Port Settings

Select the GSD4e Product Family, RS232/USB, and the Correct COM Port.

Figure 8: The Rx Port Connection Window

Default Baud rate for NMEA is 4800, and 115200 for OSP.

SE880 EVK User Manual

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Mod. 0809 2011-07 Rev.2

5.3. SiRFLive Windows

After a successful connection with the receiver is established, the default SiRFLive windows

should be arranged and become filled with data.

5.3.1. Signal View

(main tool bar icon)

Type of Fix Satellite Data

Figure 9 Shows the satellite signal levels.

If not all the default windows are arranged or opened, under the Main Menu Bar, go to “Window” >

“Restore Layout” > “Default.”

SE880 EVK User Manual

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5.3.2. Radar View

(main tool bar icon)

Red satellites – 0 C/N0

Blue satellites – nonzero C/N0 but not being used in the navigation solution

Green satellites – nonzero C/N0 and are being used in the navigation solution

Skyblue satellites – SBAS satellites

Orange satellites – ABP is being used to acquire satellites

Magenta satellites – Extended Ephemeris is being used to acquire satellites.

Figure 10: Displays the satellites by azimuth and elevation.

SE880 EVK User Manual

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Mod. 0809 2011-07 Rev.2

5.3.3. Debug View

(main tool bar icon)

Shows the communication messages with the receiver.

Figure 11: Debug view with One Socket Protocol messages.

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