MDEV-GPS-SG User's Guide 7-26-11_MDEV-GPS
Contents
1. ASTE INX t NI TECHNOLOGIES SYS TEM DONE NN NWIRELESS MADE SIMPLE SG Series Master Development Svstem User s Guide ma i 1 vili nea ORDERING INFORMATION PART DESCRIPTION MDEV GPS SG SG Series Master Development System INTRODUCTION The Linx SG Series RF modules offer a simple efficient and cost effective method of adding GPS capabilities to any product The Master Development System is intended to give a designer all the tools necessary to correctly incorporate the SG Series into an end product The development boards themselves serve several important functions e Rapid Module Evaluation The boards allow the performance of the Linx SG Series modules to be evaluated quickly in a user s environment e Design Benchmark During the design process of your product the boards provide a known benchmark against which the performance of vour own design may be judged e Application Development An on board prototyping area is provided to allow a designer to develop applications directly on the development board All signal lines are available on a header for easy connection to the designer s circuits The Master Development Svstem includes 1 assembled development board 2 SG Series receivers one SH Series antenna 4 AAA batteries and full documentation One part is soldered to the board one extra is for use on vour first prototvpe board Revised 07 26 11 SG SERIES RECEIVER DEVELOPMENT2. RD6 VCAP VDDCORE PMD5 RE5 PMD6 RE6 PMD7 RE7 PMA5 SCK2 CN8 RG6 PMA4 SDI2 CN9 RG7 PMA3 SDO2 CN10 RG8 U4 MOER PIC24F128GA006 PMA2 SS2 CN11 RG9 VSS VDD C1IN AN5 CN7 RB5 C1IN AN4 CN6 RB4 C2IN AN3 CN5 RB3 C2IN AN2 SS1 CN4 RB2 PGC1 EMUC1 VREF AN1 CN3 RB1 PGD1 EMUD1 PMA6 VREF ANO CN2 RBO 6 TMS PMA13 CVREF AN10 RB10 m cc lt LL O Ke z lt N O gt LU N O o PGD2 EMUD2 AN7 RB7 U2CTS C10UT AN8 RB8 PMA7 C2OUT AN9 RB9 TDO PMA12 AN11 RB11 TCK PMA11 AN12 RB12 O o Ta N m s LO N w N N N N N N N N VCC GND GND VCC MIC2288 PMRD CN14 RD5 TDI PMA10 AN13 RB13 N OC3 RD2 OC2 RD1 PMBE OC4 RD3 SOSCO T1CK CNO RC14 SOSCI CN1 RC13 PMWR OC5 IC5 CN13 RD4 OC1 RDO IC4 PMCS1 INT4 RD1 1 IC3 PMCS2 INT3 RD10 IC2 J1CTS INT2 RD9 IC1 RTCC INT1 RD8 VSS OSC2 CLKO RC15 OSC1 CLKI RC12 VDD SCL1 RG2 SDA1 RG3 U1RTS BCLK1 SCK1 INTO RF6 U1RX SDI1 RF2 U1TX SDO1 RF3 PMA1 U2RTS BCLK2 AN14 RB14 PMAO AN15 OCFB CN12 RB15 PMA9 U2RX SDA2 CN17 RF4 PMA8 U2TX SCL2 CN18 RF5 46 45 44 43 42 41 40 39 38 37 36 35 34 33 SW2 POWER SWITCH gt GND VCC CSH TXM o vcc O P GND TXDISP cO O O Q Q N HEADER 30 Page 7 TEGHNOLOGIES DON WIRELESS MADE SIMPLE U S CORPORATE HEADQUARTERS LINX TECHNOLOGIES INC 159 ORT LANE MERLIN OR 97532 PHONE 541 471 6256 FAX 541 471 6251 www linxtechnologi
3. AODULE Goal TX USB Q o Ax ODULE OGG Tx DISPLAY o o Q 1 PPS o Q APORURF 0 0 EN 0N_OFF a Sear FL FET LE F wn O ki r E R Ay fd Pi w Da b L ti LILL a M oer Mil FU i Eri rie Pa Ti g u fil jmi 9 Q 9 a a a 9 a 9 a L 9 e kul kl asodaeodoaoda KA LL LL IL IL L IL L LEIKI LI r 1 TO KO Kl 3 Volt Bus X J 43UDC BUS 500mA AX Figure 2 The Development Board Prototvping Area Page 3 THE GPS RECEIVER SECTION The receiver module is mounted on a daughter board which plugs into headers on the main development board This daughter board has an SMA antenna connector to allow the attachment of many different styles of GPS antennas Figure 3 The Development Board GPS Receiver Section On the bottom of the main board is a CR2032 coin cell battery that provides power to the RTC and SRAM when the receiver is powered down This allows the receiver to start up and obtain a position fix faster This cell will provide about two years of operation THE USB SECTION The development board features a Linx QS Series USB module for interface to a PC This allows the board to be used with the supplied development software or with custom software developed by the user Drivers for the USB module are included on the software CD in the kit or may be downloaded from www linxtechnologies com Additional information on using the QS Series USB module can
4. BOARD OTC3 S4V 8 J QA jak u eoo0000000008 TX MODULE 0000000000 Tx uss BE 71 x ODULE 9 Ol 4 EN ON_OFF P 3V0C BUS 500OmA MAX Figure 1 SG Series Receiver Development Board Four AAA Batteries DC Power Jack Power Switch Voltage Regulator USB Interface Module Prototvpe Area Break Out Header SG Series Receiver Daughter Board CR2032 Backup Batterv on the back 0 OLED Display 1 OLED Display Power Switch Sa Se SS eS IS TROUBLESHOOTING If the board fails to work out of the box then try the following e Check the batteries to make sure they are not dead e Check to make sure that the power switch is in the correct position e Make sure that the jumper is set correctly If all of these appear to be in order please call 800 736 6677 or e mail techsupport linxtechnologies com for technical support Page 2 INITIAL SETUP Unpack the development system and install the AAA and coin cell batteries Connect the external GPS antenna The power switch can select between the battery pack DC power jack or USB if the board is plugged into a USB bus To use the display turn the OLED display power switch on The development board is now ready for use After turning on the power the module will determine its current position Please note the time required for an initial fix or after long periods of storage will be considerably greater than in subsequent operation Please refer to the mod
5. also be found on the website The USB connection also allows the board to be powered by the USB bus instead of batteries TRX MOD This can be convenient during development to 9932111111 sss eliminate the need for frequent battery replacement Output data from the GPS module is connected directiv to the USB module but data into the GPS TX MODULE module is split This is to prevent data collisions between the USB module and anv circuitrv added E oe to the prototyping area To route serial data from RX MODULE the USB module to the serial data receive line on TX DISPLAY the GPS module use the supplied jumper to 1PPS connect the TX USB and RX MODULE lines on REPWRUP the breakout header as shown in the adjoining EN ON OFF diagram Remove this jumper for use with external circuitry The pin marked TX DISPLAY is Figure 5 Jumper Configuration for Linx use and should be left unconnected Page 4 THE DISPLAY SECTION The SG Series Master Development System features an OLED screen that displays the navigation information from the GPS module This allows the development board to act as a stand alone evaluation system without the need for any additional software Status Wait for data l H AL TD 4 1 DI SpLayi ON an Figure 6 The Development Board Displav Section The displav is driven bv an on board microcontroller located under the displav Data from the GPS module is connected directiv to this microcont
6. es com Disclaimer Linx Technologies is continuallv striving to improve the qualitv and function of its products For this reason we reserve the right to make changes to our products without notice The information contained in this Overview Guide is believed to be accurate as of the time of publication Specifications are based on representative lot samples Values mav varv from lot to lot and are not guaranteed Tvpical parameters can and do varv over lots and application Linx Technologies makes no guarantee warrantv or representation regarding the suitability of any product for use in any specific application It is the customer s responsibility to verify the suitabilitv of the part for the intended application NO LINX PRODUCT IS INTENDED FOR USE IN ANY APPLICATION WHERE THE SAFETY OF LIFE OR PROPERTY IS AT RISK Linx Technologies DISCLAIMS ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL LINX TECHNOLOGIES BE LIABLE FOR ANY OF CUSTOMER S INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY FROM ANY DEFECTIVE OR NON CONFORMING PRODUCTS OR FOR ANY OTHER BREACH OF CONTRACT BY LINX TECHNOLOGIES The limitations on Linx Technologies liability are applicable to any and all claims or theories of recovery asserted by Customer including without limitation breach of contract breach of warranty strict liability or negligence Customer assumes all liability including without limitation liability for in
7. jury to person or property economic loss or business interruption for all claims including claims from third parties arising from the use of the Products The Customer will indemnify defend protect and hold harmless Linx Technologies and its officers employees subsidiaries affiliates distributors and representatives from and against all claims damages actions suits proceedings demands assessments adjustments costs and expenses incurred by Linx Technologies as a result of or arising from any Products sold by Linx Technologies to Customer Under no conditions will Linx Technologies be responsible for losses arising from the use or failure of the device in any application other than the repair replacement or refund limited to the original product purchase price Devices described in this publication may contain proprietary patented or copyrighted techniques components or materials Under no circumstances shall any user be conveyed any license or right to the use or ownership of such items 2009 by Linx Technologies Inc The stylized Linx logo Linx Wireless Made Simple CipherLinx and the stylized CL logo are the trademarks of Linx Technologies Inc Printed in U S A
8. roller The microcontroller receives data at the receiver s default 9 600bps If the receiver s baud rate is changed it will not be able to communicate with the microcontroller The display and microcontroller pull about 100mA when fully powered so a power switch is supplied to deactivate the display area when not in use saving battery life To protect the display and extend its life be sure to turn the display section off before turning off the main power to the board MASTER DEVELOPMENT SOFTWARE The development system is supplied with Windows based software that communicates with the development board through the USB module This software displays the information from the GPS module in the different NMEA formats and the satellite information signal strength and positions are displayed graphically If the PC is connected to the internet the software plots the current location on Google Maps Full details are in the software s User s Guide Figure 7 Master Development Software Page 5 RECEIVER SECTION VBACKUP B2 BATHLD 001 RFPWRUP_ ENON OFF gt cO OO O OQ1 Q N cO OO O OQ1 OQ N o o HEADER 10 HEADER 10 1PPS REPWRUP EN ON_OFF gt HEADER 7 USB SECTION USBDP USBDM GND VCC SUSP IND DATA OUT RX IND SDM USB QS POWER SUPPLY SECTION Page 6 DISPLAY SECTION PMD4 RE4 PMD3 RE3 PMD2 RE2 PMD1 RE1 PMDO REO ENVREG CN16 RD7 CN15
9. ule s data guide for complete information regarding time to first fix TTFF To protect the display and extend its life turn the display off before turning the board off THE PROTOTYPING AREA In addition to its evaluation functions the board may also be used for actual product development It features a prototyping area to facilitate the addition of application specific circuitrv The prototyping area contains a large area of plated through holes so that external circuitry can be placed on the board The holes are set at 0 100 on center with a 0 040 diameter making it easy to add most industry standard SIP and DIP packages to the board External circuitry can be easily interfaced with the SG receiver through the breakout header J7 to the right of the prototyping area A jumper shunt has been provided to control the routing of data into the GPS module By default the jumper is set for operation with the on board USB module When communicating with the GPS module using your own components this jumper shunt should be removed At the bottom of the prototyping area is a row connected to the 3V power supply and at the top is a row connected to ground NOTE The on board 3 volt regulator has approximately 300mA of headroom available for additional circuitry If added circuitry requires a higher current the user must add an additional regulator to the prototvpe area or power the board from an external supply Ground Bus 290005 OOO e TX
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