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GE/GC864-QUAD V2 and GE864-GPS Hardware User Guide

1. lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 NOTE If not used almost all pins must be left disconnected The only exceptions are the following pins VBATT Main power supply Main power supply voar Mmeram OOOO voar TN exo mm ld lt lt w w gt gt e Z U p NJ AINI ni umo D D J u LA D Ro B amp B Ge N 4 2 2 GC864 QUAD V2 Antenna Connector The GC864 QUAD V2 module is equipped with a 50 ohm RF connector from Murata GSC type P N MM9329 2700B The counterpart suitable is Murata MXTK92 Type or MXTK88 Type Moreover the GC864 QUAD V2 has the antenna pads on the back side of the PCB This allows the manual soldering of the coaxial cable directly on the back side of the PCB However the soldering is not an advisable solution for a reliable connection of the antenna Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 25 of 94 aa lelit eil GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 5 Hardware Commands IA Turning ON the GE GC864 QUAD V2 and GE864 GPS To turn ON the GE GC864 QUAD V2 AND GE864 GPS the pad ON must be tied low for at least 1 second and then released Pulse duration less than 1000ms should also start the power on procedure but this is not guaranteed When the power supply voltage
2. J5 ON OFF Z I Reproduction forbidden without Telit Communications S DA written authorization All Rights Reserved Page 16 of 94 e a Telit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 Internal e om foo m mm Ground Power Ground Power m oe o G rw mu o j mw ES m joo je mw m joo je ES CCT Im joo jew o CT ES hs joo E je jw ES ha joo jew O CT ES ks joo SC mw ES ke joo p em O m joo jam EC ES a ew nt e m joo jam A me n joo jam CA ur oo jam A me bs ow EE re m ow f ow or m ow f om o ww me o f omm oer ES mu o9 ow oer RESERVED Reserved O a 6 A pas a A e mme O O S as mew AE EE m mew E m mme A m mmm E EE ik PE E a o mme S s mew S m mw A w ER PE O O S EE CT A A m meme LL m EE A E m mw A EN ES ER PE A m mm AE EN m mew Reproduction forbidden without Telit Communications S DA written authorization All Rights Reserved Page 17 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 m o me lei
3. cccccseccsscccscccssccescccsccecceusccesccussceusceusceescceusceusccescseusseusccusceeussensccesceeueseuscss 36 6 2 POWER CONSUMPTION eeeeeeeeeennnn nennen hne ennn nh nes ene nnns sen et esett es ttt ise eese use sese eee essen est essen stetisse eee essen 37 6 3 GENERAL DESIGN RULES nnne nennen nnn stette tettes sett esetet esett ee esse ett es sene eese sese esse aeterne nain 38 6 3 1 Eleotcar De sn O del CS abs 38 6 3 2 Thermal EE 4 6 3 3 Power Supply PCB Layout Guidelines Ai cit 43 6 3 4 POHUNCIOES FOF ALE Ee 44 SCH GR N I e P ME 45 7 1 GSM ANTENNA GE864 QUAD V2 GPS AND OGCRoAOUADVNI nennen eene 45 7 1 1 GSM tee 45 7 12 GES64 QUAD V2 GPS GSM Antenna PCB line Guidelines eese 46 Jud PCB GUIDELINES IN CASE OF FCC CERTIFICATION ici 47 7241 Transmission EAS RH 47 722 Transmission line measurements cccccccceccccusecccusccccuecccuscscuueccuuecscuscscucseuuecsuuecseuucseuusesuuecssuueceueeceuessenecs 48 d Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 5 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 7 2 3 GSM Antenna Installation Guidelines ccccccccccccccuccuccuccecccccccuccuccscescccuscucescescuscsccscescescusessescescuscusences 50 EE CPS ANTENNA EE S ONLY EE 50 7 3 1 EE F c 50
4. Time min to max ts 60 180 seconds Tsmax to TL Ramp up Rate 3 C second max Time maintained above Temperature TL BATE Time tL 60 150 seconds Peak Temperature Tp 245 0 5 C Time within 5 C of actual Peak 10 30 seconds Temperature tp Ramp down Rate 6 C second max Time 25 C to Peak Temperature 8 minutes max NOTE All temperatures refer to topside of the package measured on the package body surface WARNING The GE864 module withstands one reflow process only be cm ns S p A written authorization All Rights Reserved Page 83 of 94 p J a Telit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 14 2 Assembling the GC864 QUAD V2 The position of the Molex board to board connector and the pin 1 are shown in the following picture 26 5530 15 830 15 MOVABLE RF 19 3 9 36 220 33 540 NOTE The metal tabs present on GC864 QUAD V2 must be connected to GND This module could not be processed with a reflow 14 3 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 Debug of the GE GC864 QUAD V2 AND GE864 GPS in Production To test and debug the mounting of GC GE864 QUAD V2 and GE864 GPS we strongly recommend to foreseen test pads on the host PCB in order to check the connection between the GE GC864 QUAD V2 and GE864 GPS itself and the appl
5. SEZIONE A TA TES E KEK EE Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 12 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 3 2 GC864 QUAD V2 The Telit GC864 QUAD V2 module overall dimensions are e Length 36 2 mm e Width 30 mm e Thickness 3 2 mm e Weight 4 8g 2 3 0 05 26 350 15 Ltd CLEARANCE FOR x CLOSE COMPONENTS MOVABLE RF CABLE A EE fu i P BET BB BL dU UU OU dB E I UI I I es EN TT t yk d d 3 ABE s 3 d ek IW p t s d tt i 3040 2 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 3 3 Mechanical View of Telit GC864 QUAD V2 with SIM Holder 26 5 0 15 2 340 05 G 240 3 3 4 GC864 QUAD V2 Module Connections ARANCE FOR CLE 17 43 CLOSE COMPONENTS d a E E zzz VE e ee Vtt P gr P 4 Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 14 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 4 Electrical Connections 4 1 GE864 QUAD V2 GPS 4 1 1 PIN OUT The GE864 QUAD V2 GPS use 11x11 array BGA technology connection
6. 4 3 3 PRM Cor T START 800 000 000 MHz STOP 2 000 000 QOO MHz lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 7 2 3 GSM Antenna Installation Guidelines e Install the antenna in a place covered by the GSM signal e The Antenna must be installed to provide a separation distance of at least 20 cm from all persons and must not be co located or operating in conjunction with any other antenna or transmitter e Antenna shall not be installed inside metal cases e Antenna shall be installed also according Antenna manufacturer instructions 7 3 GPS Antenna GE864 GPS only 7 3 1 GPS Antenna Requirements The GE864 GPS module is provided with an internal LNA amplifier with two selectable gain level By default the GE864 GPS is configured in high gain mode 18dB with 2dB of noise figure If the external antenna is connected to the DUT with a long coax cable the use of an external LNA close to the antenna feed point is recommended In this case the module must be configured in low gain mode 8dB with 10dB of noise figure through a specific AT command refer to ATSGPSAT on AT Commands Reference Guide 80000ST10025a The module provides a digital output signal GPS LNA EN used for RF power control that can be used to enable the external LNA NOTE When using an external antenna with embedded LNA the DC supply for the antenna must be provid
7. 79 2 Combina GPS E 50 7 3 5 Linear and rach GPS AMOR EA dE AE 50 7 3 4 GPS Antennd PCB Line EE 51 7 3 5 GPS Antenna Installation Guidelines eee eee eee eeeeeee se esse sue ho esse stesso KANNER NNN ENK 51 amp LOGICLEVELSPECIEICA TIONS senc aie 52 8 1 A Wee RE 53 LEES D 4 FA PS PORTES E 54 9 1 MODEM SERIAL PORT EEN 54 9 2 GE864 GPS SECONDARY Pops 56 9 2 1 Modem Serial Port 2 GPS Control 56 9 2 2 ans sonar Or NML A EE 57 9 3 RS232 LEVEL KEE e e EE 57 9 4 IV UART LEVEL TRANSLATION st rias 59 10 AUDIO SECTION OVERVIEW ta dde 61 LOL SELECTION MO KEE 61 10 2 ELECTRICAL CHARACTERISTICS ccccscceccesccsccsccsccescscecccscesccecceccescescesccecesscescescescesecsseescescescescessesscesctscescesees 63 OE e e situe HEREDI PERENNEM 63 10 2 2 uput EME Nara teris ES Aea EO TEE OT 64 11 GENERALPURPOSE TO aE RE E A EOE 66 HA APIO OGC LEVES corri EIE 67 EZ USINGAGPIO PAD AS CR WEE 68 L3 USNGAGPIOPADAS OUTPUT E 68 11 4 USING THE RF TRANSMISSION CONTROL OoPIO eere ree rereitee tee tee tee seeteet pereo eun 68 KL USING THB RETXMON EE Ee 68 ILO USING TUE ACA MOTEL O PO ti aa ronttalios 69 US e USING THE BUZZER OUTPUT OPIO E 69 11 8 USING THE TEMPERATURE MONITOR FUNCTION cccccscceccecceccesccscesccecceccscescescescesscescscescescescesscesctscesceees 70 11 8 1 Short Description AAA 70 115 2 D e E EET 71 11 9 INDICATION OF NETWORK SERVICE AVAILABILITY ccccsccscceccecccc
8. GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 N ON OFF LOW ON OFF HIGH AT answer in 1 second WRMON ON or 2s timeout Y S l N NOTE In order to avoid a back powering effect it is recommended to avoid having any HIGH logic level signal applied to the digital pins of the module when is powered OFF or during an ON OFF transition _ Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 28 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 A flow chart showing the AT commands managing procedure 1s displayed below Delay 300 ms Enter AT lt CR gt No answer in 1 second Y LAA Page 29 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 9 2 Turning OFF the GE GC864 QUAD V2 and GE864 GPS The turning off of the device can be done in two ways e via AT command see Software User Guide ATZSHDN e by tying low pin ONF Either ways when the device issues a detach request to the network informing that the device will not be reachable any more To turn OFF the module the pad ON must be tied low for at least 2 seconds and then released The same circuitry and timing for the power on shall be used The device shuts down after the release of the ONF pad The
9. 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 Page 3 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 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 ma
10. written authorization All Rights Reserved Page 15 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 mi men Im mmm dh m cr fpacour ro pievane SDA Jocs A arto Dia covener O TA mm avcm A Awbgbiiscmwerermu OO D ON mr usw CT o o o m STAT LED fo sesno OO MOSHNV Sher pope le Input command for switching power ON or OFF toggle command The pulse to be sent to the GE864 QUAD V2 Pull up 47K Pull up to VBATT must be equal or greater than 1 second mmm o WWMON ET AS Ha osmana Jo Awmampu Sm J f ooo s vaux Jg asv A Power Telit GPIO DVI a Jewo orn Jooss m Immler Ion e aow TN CO Joen er E El EI Re ae 19 Jensen Ju Toi GPIOO Configurable GPIO Buzzer MON ku mmm jo mom O CT joo jv mom Jooss m amo DVLTX vo Gmoje DVLTXDVImdo CT AS e ux Iolomnma A CMOS2V S OS y pax vo ovre ovre emos za Ww Jors EXT ina eno o ExemalLNAEnble CMOS LAV CGPS COMES o CCT A SEC EE m ars xt Io CTO TT ESC e jos waxeur fo Irene emos avis Iw jomoxonm TT A TEC A10 GPS Antenna O Antenna output 50 ohm Antenna output S0ohm LR em LL SE d be connected to Vaux through a pull up Ne e resistor 66 _ Diagnostic tobe connected to ground Power Supply m vr EU Wem Pee kr var Main powersupply RRE im ver P Miwwesmiy rw e vsar Jensen OO Pw m joo EE CE Powe
11. 5 2011 10 03 Chapter 4 pin out table C6 and G6 rows moved under GPS category notes re organized C6 and G6 pins added in the table at page 19 BGA balls layout C6 and G6 balls colored in orange and wording Diagnostic added Chapter 14 1 3 PCB pad design table ball pitch errata corrige from 2 4 to 2 5 Chapter 15 1 1 Moisture sensibility add details Updated Chapter 5 1 Turning ON the Module 5 second with VBATT lt 3 4V pes 2011 10 25 Updated Chapter 11 and Paragraph 12 1 1 warning about GPIOs assignment when using GPS in GSM EE Mode Reproduce ion forbidden without Telit Communications s DA written authorization All Rights Reserved m 94 of 94
12. 85 15 PACKING SYSTEM eisni T ER ETE RSAT 86 15 1 GE864 QUAD V2 GPS BACKAOGINO n nnn se ese e eee esses ne ese esee essen enne esses nnns 86 Todds MOS ESC iaa 87 T2012 GES64 orientation on the fra 88 15 2 GE GC864 QUAD V2 AND GE864 GPS PACKAGING oooocoooooccccnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nn nn nr ener ennt eene nene nennen enne nennen 89 16 CONFORMITY ASSESSMENT ISsUbks eene emen emen nemen re msie sema isses aereas 90 17 SAFETY RECOMMANDATIONS o enne ene meme nememes enimse emisse e iae eris aseses ases e sas 91 18 DOCUMENT HISTORY W 94 q D mp Min LE d Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 7 of 94 _ lelit eil GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 1 Introduction 1 1 Scope The aim of this document 1s the description of some hardware solutions useful for developing a product with the Telit GE GC864 QUAD V2 and GE864 GPS modules 1 2 Audience This document is intended for Telit customers who are integrators about to implement their applications using our GE GC864 QUAD V2 and GE864 GPS modules 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 TS EMEA telit com TS NORTHAMERICA telit com TS LATINAMERICA telit com TS APAC telit com
13. Recommendations for PCB pad surfaces Layer thickness um Properties Electro less Ni 3 7 good solder ability protection Immersion Au 0 05 0 15 high shear force values The PCB must be able to resist the higher temperatures which are occurring at the lead free process This issue should be discussed with the PCB supplier Generally the wettability of tin lead solder paste on the described surface plating is better compared to lead free solder paste 14 1 4 Solder paste Lead free Solder paste Sn A g Cu It is recommended to use only no clean solder paste in order to avoid the cleaning of the modules after assembly 14 1 5 GE864 QUAD V2 GPS Solder reflow The following is the recommended solder reflow profile 1 1 p m venne vm orm Yr rri nte nma aane nnm T Le en BENI ER LR ALI EIER a EIS e m Po Enn m LIL SET 1 o A MO AA A O Temperature gt Preheat t 25 C to Peak Time gt gt IPC 020b 5 1 _ KE r Si a Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 82 of 94 Z e EN we i Reproduction forbidden without Telit Communicatio GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 Profile Feature Pb Free Assembly Average ramp up rate Ty to Tp 3 C second max Preheat Temperature Min Tsmin 150 C Temperature Max Tsmax 200 C
14. V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 A sample interface scheme is included below to give you an idea of how to interface a Buzzer to the GPIO7 TRE V buzzer SMBT2907A TR1 DCHT AT du NOTE To correctly drive a buzzer a driver must be provided its characteristics depend on the Buzzer and for them refer to your buzzer vendor 11 8 Using the Temperature Monitor Function 11 8 1 Short Description The Temperature Monitor is a function of the module that permits to control its internal temperature and 1f properly set see the FTEMPMON command on AT Interface guide 1t raise to High Logic level a GPIO when the maximum temperature 1s reached b i a LE d Reproduction forbidden without Telit Communicatio _ ns S p A written authorization All Rights Reserved Page 70 of 94 Telit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 11 8 2 Allowed GPIO The ATZTEMPMON set command could be used with one of the following GPIO GPIOO1 E TGPIO 01 Configurable SE luA 1mA INPUT 2 8V GPIO GPIO02 E6 74 HE een o SE EE INPUT con JDR 2 8V JDR GPIO GPIO03 CMOS C2 TGPIO 03 I O Configurable luA 1mA INPUT z 2 8V GPIO GPIO04 Alternate function e eg Configurable Ge gt luA 1mA INPUT RF Transmission GPIO Control GPIO05 TGPIO 05 CMOS Alternate function RFTXMON GE 2 8V luA 1mA INPUT RFTXMON GPIO06 TG
15. can be left open provided a software flow control is implemented ER forbidden without Telit chic OR S p A written authorization All Rights Reserved pose 55 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 NOTE In order to avoid a back powering effect it is recommended to avoid having any HIGH logic level signal applied to the digital pins of the module when is powered OFF or during an ON OFF transition 9 2 GE864 GPS Secondary Ports 9 2 1 Modem Serial Port 2 GPS Control This port is the only communication interface with the GPS part It is available on the following pins BALL NAME DESCRIPTION TYPE TX AUX TX Data for GPS control CMOS 2 8V RX AUX RX Data for GPS control CMOS 2 8V Please note that in order for GPS to be controlled by the GSM section the GPS UART and some GPS control signals have to be connected externally to the GSM section according to the following table see also chapter 12 BALL NAME NAME BALL Dii TX AUX GPS RX E10 B3 GPIO4 GPS ON OFF Jd ci GPIO1 GPSWAKEUP G2_ Er Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 56 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 9 2 2 GPS Serial Port NMEA This port is carrying out the GPS navigation data in NMEA 0183 format The defau
16. d ABC module s printed circuit board The modules on the tray are oriented as shown in and the tray is oriented toward left as shown in B LIS00LO AL ra d A AA P 1 A 51 Re E a AE S rcr d GER E d E EE E e EN Biz Page 88 of 94 Ben ve Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 15 2 GE GC864 QUAD V2 AND GE864 GPS Packaging The Telit GC864 QUAD V2 are packaged on trays of 20 pieces each bassorilievo prof 0 3 mm 0 2 3290 3 The size of the tray is 329 x 176mm A WARNING These trays can withstand at the maximum temperature of 65 C de 3 res e i jh A d 1 _ g d d E D Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 89 of 94 lelit eil GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 16 Conformity Assessment Issues The Telit GE GC864 QUAD V2 and GE864 GPS has been assessed in order to satisfy the essential requirements of the R amp TTE Directive 1999 05 EC Radio Equipment amp Telecommunications Terminal Equipments to demonstrate the conformity against the harmonised standards with the final involvement of a
17. forbidden without Telit Communications s DA written authorization All Rights Reserved Pace 54 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 visi ka ker CT pv pov DI Oupuwiwd v paw i The table below shows the signals of the GE GC864 QUAD V2 AND GE864 GPSserial port RS232 Signal GE864 QUAD V2 GC864 QUAD V2 Name Usage Pin Pad Number Pad Number CN FOL e ILES uart indicates the carrier presence RXD Transmit line Output transmit line of GE864 QUAD Lem ae eme LE TXD Receive line Input receive of the GE864 QUAD V2 boem POOO CO RE DTR Input to the GE864 QUAD V2 that EI AP ELA a 13 K3 Ground ground DSR Output from the GE864 QUAD V2 that Input to the GE864 QUAD V2 that controls the Hardware flow control GS CET Output from the GE864 QUAD V2 that cts uart controls the Hardware flow control ri uart Ring Indicator Quia Co aro Gr os QUAD Nas De indicates the incoming call condition NOTE According to V 24 RX TX signal names are referred to the application side therefore on the GE GC864 QUAD V2 AND GE864 GPSside these signal are on the opposite direction TXD on the application side will be connected to the receive line here named TXD RX uart of the GE GC864 QUAD V2 AND GE864 GPSserial port and viceversa for RX Request to Send TIP For a minimum implementation only the TXD and RXD lines can be connected the other lines
18. installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance A label containing the following information must be affixed to the outside of a host product which incorporates this module Module type Contains FCC ID RI7GE86Q2 For GE864 QUAD V2 Contains FCC ID RI7GC 64Q2 For CE864 QUAD V2 Contains FCC ID RI7GES64G2 For GE864 GPS IC Regulatory Requirements This device complies with Industry Canada license exempt RSS standard s Operation 1s subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device Le pr sent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et E ei 7 ad m4 a TETE Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 92 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 2 l utilisateur de l appareil doit accepter tout brouillage radio lectrique subi m me si le brouillage est susceptible d en compromettre le fonctionnement Under Industry Canada regulations this radio transmitter may o
19. is lower than 3 4V the pad ONF must be tied low for at least 5 seconds The maximum current that can be drained from the ONF pad is 0 1 mA A simple circuit to do it is ON R1 IT lL Q1 Power on Impulse R2 ME NOTE Don t use any pull up resistor on the ON line it is internally pulled up Using pull up resistor may bring to latch up problems on the module power regulator and improper power on off of the module The line ONF must be connected only in open collector configuration NOTE In this document all the lines that are inverted hence have active low signals are labeled with a name that ends with a E b _ Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 26 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 TIP To check if the device has powered on the hardware line PWRMON should be monitored After 1000ms the line raised up the device could be considered powered on NOTE When the power supply voltage is lower than 3 4V to turn ON the module the pad ONF must be tied low for at least 5 seconds For example l Let us assume you need to drive the ON pad with a totem pole output from 1 8V up to 5V microcontroller OMN R1 HAL Q1 Power op Impulse Ro MO 2 Let us assume you need to drive the ONF pad directly with an ON OFF button Page 27 of 94 lelit
20. must not be installed inside metal cases e Antenna must be installed also according Antenna manufacturer instructions d j Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 51 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 8 Logic Level Specifications Where not specifically stated all the interface circuits work at 2 8V CMOS logic levels The following table shows the logic level specifications used in the Telit GE GC864 QUAD V2 AND GE864 GPS interface circuits Absolute Maximum Min es terne Parameter Input A on any pra 3V IV digital pin when on Input voltage on analog 0 3V 3 0 V pins when on Operating Range Interface Levels 2 8V CMOS GPS ma ipa tel ov bar Ouiputhighievet pav bn p JI Ouwrwiwd pv quw ia For 1 8V signals Operating Range Interface Levels 1 8V CMOS GPS signals Level Lo ww wb hpulwlwi v Jv In Owpughsd ev PV II Ouiputloweyel pv qv Pa Current characteristics Reproduce ion forbidden without Telit a ona S p A written authorization All Rights Reserved Pl 52 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 8 1 Reset Signal Ball Pin Number RESET Reset I A2 on GE864 QUAD V2 GPS 54 on GC864 QUAD V2 RESET is used to reset the GE GC864 QUAD V2 and GE864 GPS modul
21. responsibility of the user to enforce the country regulation and the specific environment regulation Do not disassemble the product any mark of tampering will compromise the warranty validity We recommend following the instructions of the hardware user guides for a correct wiring of the product The product has to be supplied with a stabilized voltage source and the wiring has to be conforming to the security and fire prevention regulations The product has to be handled with care avoiding any contact with the pins because electrostatic discharges may damage the product itself Same cautions have to be taken for the SIM checking carefully the instruction for its use Do not insert or remove the SIM when the product is in power saving mode The system integrator 1s responsible of the functioning of the final product therefore care has to be taken to the external components of the module as well as of any project or installation issue because the risk of disturbing the GSM network or external devices or having impact on the security Should there be any doubt please refer to the technical documentation and the regulations in force Every module has to be equipped with a proper antenna with specific characteristics The antenna has to be installed with care in order to avoid any interference with other electronic devices and has to guarantee a minimum distance from the body 20 cm In case of this requirement cannot be satisfied the syst
22. t con u pour se conformer aux exigences de s curit pour l exposition aux ondes radio SAR en conformit avec RSS 102 S il vous plait suivez les instructions incluses dans le guide utilisateur pour l installation du produit et son utilisation Cet metteur radio num ro de mod le a t approuv par Industrie Canada pour fonctionner avec des antennes avec un gain maximal admissible de 1 4 dBi 850MHz et 3 0dBi 1900MHz Types d antenne ayant un gain sup rieur au gain maximal indiqu est strictement interdit pour une utilisation avec cet appareil ae Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 93 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 18 Document History Revision Date Changes 2011 01 14 First preliminary release 2011 04 07 Updated power consumption for GE864 GPS and ATEX data for GE864 GPS Rev 2 2011 06 15 Updated Pin Out GE864 QUAD GPS Added 5 4 Turning ON OFF the GPS only GE864 GPS paragraph Updated GPS Antenna Requirements Updated Logic Level Specifications Added 11 12 VAUX Power Output only for GE864 GPS paragraph Added 12 GPS Features GE864 GPS only Chapter Rev 4 2011 08 24 Added chapter 7 2 PCB guidelines in case of FCC certifications updated with FCC requirements Added chapter 17 Safety Recommendations updated with FCC and IC requirements Rev
23. 00kHz or more switching frequency regulator is preferable because of its smaller inductor size and its faster transient response This allows the regulator to respond quickly to the current peaks absorption e n any case the frequency and switching design selection is related to the application to be developed due to the fact that the switching frequency could also generate EMC interferences e As far as car PB battery the input voltage can rise up to 15 8V This must be kept in mind when choosing components all components in the power supply must withstand this voltage MATA B ns S p A written authorization All Rights Reserved Page 39 of 94 E p a LE d Reproduction forbidden without Telit Communicatio a a Telit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 e A Bypass low ESR capacitor of adequate capacity must be provided in order to cut the current absorption peaks A 100uF tantalum capacitor is typically used e Make sure the low ESR capacitor on the power supply output usually a tantalum one is rated at least 10V e As far as car applications a spike protection diode must be inserted close to the power input in order to clean the supply from spikes e A protection diode can be inserted close to the power input in order to save the module from power polarity inversion This can be the same diode used for spike protection An example of switching reg
24. 32 1 4C 2D RING T3IN TOUT Q 1 D RING RS232 1 4C 10 2E DSR T4IN T40UT O DSR_RS232 1 40 B Wi 2D CTS TSIN TSOUT O D CTS_RS232 1 40 2E RIOUTB RTS RIOUT RIIN pts Rs232 1 4D B y R2OUT R2IN X DTR_RS232 1 4D ll 2 2 R3OUT R3IN C TX RS232 1 4C 2D 13 3v m OSH 3 15 i MBALD SHDN 23 GD RS232 LEVEL TRSANSLATOR j b Page 58 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 The RS232 serial port lines are usually connected to a DB9 connector with the following layout QT DCD RSe32 LY ft DSR R5232 DT TX AS232 lt eli RTS RSe32 QE Di Dans gt I o CTS RS232 7 7 DTR AS232 lt T Ole RI RS232 O I 3 tn zr PERA GND 9 4 5V UART Level Translation If the OEM application uses a microcontroller with a serial port UART that works at a voltage different from 2 8 3V then a circuitry has to be provided to adapt the different levels of the two set of signals As for the RS232 translation there are a multitude of single chip translators For example a possible translator circuit for a 5V TRANSMITTER RECEIVER can be 42 8V TXD 5V ii d TXD 2 8V GRO To TELIT To OEM HARDWARE VE 5 2 BW RxD si RxD 2 9V TOFSZ07AFE OND TIP Note that the TC7SZ07AE has open drain output therefore the resistor R2 is mandatory ns S p A written authorizatio
25. 53 of 94 9 1 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 Serial Ports The serial port on the Telit GE864 GC864 QUAD V2 and GE864 GPS is the core of the interface between the module and OEM hardware 2 serial ports are available on the GE864 QUAD GC864 QUAD V2 modules e MODEM SERIAL PORT Main ASCO e MODEM SERIAL PORT 2 Auxiliary ASCI While another serial port is available on the GE864 QUAD V2 GPS module e GPS SERIAL PORT NMEA MODEM SERIAL PORT Several configurations can be designed for the serial port on the OEM hardware but the most common are e RS232 PC com port e microcontroller UART Y 2 8V 3V Universal Asynchronous Receive Transmit e microcontroller VART 5V or other voltages different from 2 8V Depending from the type of serial port on the OEM hardware a level translator circuit may be needed to make the system work The only configuration that does not need a level translation is the 2 8V UART The serial port on the GE GC864 QUAD V2 and GE864 GPS a 2 8V UART with all the 7 RS232 signals It differs from the PC RS232 in the signal polarity RS232 is reversed and levels The levels for the GE864 QUAD V2 UART are the CMOS levels Absolute Maximum wf N Ma meten Parameter Input on any pr 3V NN IV digital pad when on Input voltage on analog 0 3V pads when on Operating Range Interface levels 2 8V CMOS Reproduction
26. 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 s 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 EA T9 Hi aes LF 7 EN e Gage H Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 8 of 94 E 1 4 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 Document Organization This document contains the following chapters Chapter 1 Introduction provides a scope for this document target audience contact and support information and text conventions Chapter 2 Overview provides an overview of the document Chapter 3 Mechanical Dimensions Chapter 4 Electrical Connections deals with the pin out configuration and layout Chapter 5 Hardware Commands How to operate on the module via hardware Chapter 6 Power supply Power supply requirements and general design rules Chapter 7 Antenna The antenna connect
27. FF input the host controller must put it at low state and hold it low for at least three cycles of the RTC clock The shutdown sequence may take anywhere from 10ms to 900ms depending on operation in progress Avoid any abrupt uncontrolled removal of power VBATT while GPS is operating Before removing the supply from the module perform the shutdown sequence Performance degradation may be the consequences of any uncontrolled removal of main power Er ai Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 35 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 6 Power Supply The power supply circuitry and board layout are a fundamental part of the product design and they strongly reflect on the product overall performances hence read carefully the following requirements and guidelines for a proper design 6 1 Power Supply Requirements Nominal Supply Voltage 3 80 V Normal operating Voltage Range 3 40 V 4 20 V Extended operating Voltage Range 3 22 V 4 50 V TIP The supply voltage is directly measured between VBATT and GND balls It must stay within the Wide Supply Voltage tolerant range including any drop voltage and overshoot voltage during the slot TX for example NOTE The Operating Voltage Range MUST never be exceeded also in power off condition care must be taken in order to fulfill min max voltage
28. Internal Ouf ses Jef E MIC HF Handsfree mic input phase nom level 3mVrms Audio o wat ar sit M ain ag EAR MTF AO Handset arphone signal ouput e Ao m ics Ar Handset mie signat input phase om evel Soave aude p wur Ar Hadeemeipnpheennemdedomvme Aude me rne AO Fanfic ar ouput pa a o rar MT AO Handset earphone signal ouput phase ee me EARHFe ao andar car par phases A cw smo UN ETE CTE Da smo O rem SM signal Power apo res fav m sms o Bxmsbsewi Ras AU CTE bu mox Oo wwmeUARr xpasepro Joen OO me mxaux atay UART EX Daa omor A Joen Service pin shall be used to upgrade the module from ASCI RX TRACE TX TRACE The pin shall be SERVICE i tied low to enable the feature only in case of a SW Update activity It is required for debug purpose to be connected to a test pad on the final application Prog Data HW Flow Control m consemna Jo T ter indicator signal RD to DEE Joer mm cowpm i input for Da ein rendy signal OTR fom DTE Joer m como o ouput tor Dat caier desc sil DCD w DTE Joer e oomo i seraano omore O CC mu comse o ouput tor Data seen signal OSI 0 DTE Joen e coses i ropas or Request send signal RTS fom DTE Joer fre _ ciosicrs 0 Out tor Cierto send siga Ion Joer ms como o SeraldtsouypttoDTe Joen DAC and ADC CMOS 2 8V Reproduction forbidden without Telit Communications S p A
29. Notified Body If the module is installed in conformance to the Telit installation manuals no further evaluation under Article 3 2 of the R amp TTE Directive and do not require further involvement ofa R amp TTE Directive Notified Body for the final product In all other cases or if the manufacturer of the final product is in doubt then the equipment integrating the radio module must be assessed against Article 3 2 of the R amp TTE Directive In all cases the assessment of the final product must be made against the Essential requirements of the R amp TTE Directive Articles 3 1 a and b Safety and EMC respectively and any relevant Article 3 3 requirements This Hardware User Guide contains all the information you may need for developing a product meeting the R amp TTE Directive TL d Reproduction forbidden without Telit Communicatio ns S p A written authorization All Rights Reserved Page 90 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 17 SAFETY RECOMMANDATIONS READ CAREFULLY Be sure the use of this product is allowed in the country and in the environment required The use of this product may be dangerous and has to be avoided in the following areas Q Where it can interfere with other electronic devices in environments such as hospitals airports aircrafts etc Q Where there is risk of explosion such as gasoline stations oil refineries etc It is
30. PIO 06 CMOS Alternate function ALARM Configurable 2 8V luA ImA INPUT ALARM GPIO GPIO07 TGPIO 07 CMOS Alternate function L9 73 BUZZER I O Configurable 28V luA ImA INPUT BUZZER GPIO GPIO08 CMOS K11 67 TGPIO 08 LO Configurable luA 1mA INPUT 2 8V GPIO GPIO09 CMOS C9 76 TGPIO_09 LO Configurable luA 1mA INPUT 2 8V GPIO GPIO10 TGPIO_10 CMOS Alternate function NOTE If the set command is enable the alternate function is not usable Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 71 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 11 9 Indication of Network Service Availability The STAT LED pin status shows information on the network service availability and Call status In the GE GC864 QUAD V2 and GE864 GPS module the STAT LED usually needs an external transistor to drive an external LED Therefore the status indicated in the following table 1s reversed with respect to the pin status LED status Device Status Fast blinking Net search Not registered Period 1s Ton 0 5s turning off irs od 0 35 Registered full service Permanently on A schematic example could be VBATT R LOT 350 20 0605 DL1U01 L M amp amp O251 26 KEE dE E e ER a g d d Reproduction forbidden without Telit Communications S p A written authorization All Rights Reser
31. QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 e GPIO6 supports all three modes and can be input output alarm output Alternate function e GPIO7 supports all three modes and can be input output buzzer output Alternate function WARNING For GE864 GPS only when operating in GSM Controlled Mode refer to paragraph 12 1 1 for proper GPIOs assignment 11 1 GPIO Logic Levels Where not specifically stated all the interface circuits work at 2 8V CMOS logic levels The following tables show the logic level specifications used in the GE GC864 QUAD V2 and GE864 GPSinterface circuits Absolute Maximum Ratings Not Functional Input level on any 0 3V 3 1V digital pin when on nput voltage on analog 0 3V 3 0 V pins when on Operating Range Interface Levels 2 8V CMOS Level Min lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 11 2 Using a GPIO Pad as INPUT The GPIO pads when used as inputs can be connected to a digital output of another device and report its status provided this device has interface levels compatible with the 2 8V CMOS levels of the GPIO If the digital output of the device to be connected with the GPIO input pad has interface levels different from the 2 8V CMOS then it can be buffered with an open collector transistor with a 47K pull up to 2 8V this pull up must be switched off when the module is in off condit
32. R CTN gm REES 2 Available only on GE864 GPS in case of GE864 QUAD V2 it has to be considered RESERVED NOTE Only for GE864 GPS do not leave the GPS ON OFF ball J4 input pin floating It s suggested to connect them to a pull down e g 100k Page 19 of 94 a Telit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 4 1 2 BGA Balls Layout TOP VIEW Lax Ll oe Tw e ou i ld GND GPIO_01 GND VBATT VBATT H GPIO 03 GPIO 04 TX DISAB LE GPIO 06 ALARM DAC OUT GPIO 09 SIMCLK c without Telit Communicatio GPIO 10 DVI TX SERVICE DVI WAO GPIO 02 JDR SIMRST i B Ge GPIO 05 RFTXMON GPIO 07 GND B ADC N2 ADC N1 eis 1 Available only on GE864 GPS in case of GE864 QUAD V2 it has to be considered RESERVED ns S p A written authorization All Rights Reserved E Page 20 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 zu MISCELLANEOUS functions signals balls TELIT GPIO balls GPS balls POWER SUPPLY VBATT balls POWER SUPPLY GND balls RESERVED S Reproduction forbidden wi Page 21 of 94 7 a Telit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 4 2 GC864 QUAD V2 4 2 1 PIN OUT The GC864 QUAD V2 uses an 80 pin Molex p n 53949 0878 male connector for the connections with t
33. Rev 10 2012 04 24 WARNING These trays can withstand at the maximum temperature of 65 C NOTE All temperatures refer to topside of the package measured on the package body surface 15 1 1 Moisture sensibility The level of moisture sensibility of the Product is 3 according with standard IPC JEDEC J STD 020 take care of all the relative requirements for using this kind of components Moreover the customer has to take care of the following conditions a The shelf life of the Product inside of the dry bag must be 12 months from the bag seal date when stored in a non condensing atmospheric environment of lt 40 C 90 RH b Environmental condition during the production lt 30 C 60 RH according to IPC JEDEC J STD 033A paragraph 5 c The maximum time between the opening of the sealed bag and the reflow process must be 168 hours if condition b IPC JEDEC J STD 033A paragraph 5 2 is respected d Baking is required if conditions b or c are not respected e Baking is required if the humidity indicator inside the bag indicates 10 RH or more 7 Li j 4 ho Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 87 of 94 EM ad e Telit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 15 1 2 GE864 orientation on the tray NI o s Ref No rounded corner on
34. 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 Le YY Y Y MM DD 1 6 Related Documents e Telit s GSM GPRS Family Software User Guide 1vv0300784 e Audio settings application note 80000NT10007a e Digital voice Interface Application Note 80000NT10004a e Product description 80331 10074a e SIM Holder Design Guides 80000NT10001a e AT Commands Reference Guide 80000ST10025a e Telit EVK2 User Guide 1vv0300704 um SH Li j 4 ho Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 10 of 94 EM Reproduction forbidden without Telit Communicatio lelit eil GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 Overview In this document all the basic functions of a mobile phone are taken into account for each one of them a proper hardware solution is suggested and eventually the wrong solutions and common errors to be avoided are evidenced Obviously this document cannot embrace the whole hardware solutions and products that may be designed The wrong solutions to be avoided shall be considered as mandatory while the suggested hardware configurations shall not be considered mandatory instead
35. and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 Contents k INTRODUC HON 8 1 1 109 ee 8 1 2 OA ER UU E A sane 8 1 3 CONTACT INFORMATION SUPPORT onda 8 1 4 DOCUMENT ORCANIZATIO Nor 9 1 5 TEXT CONVENTIONS ca 10 1 6 RELATED DOMINER tala 10 2 ONER Y EE 11 3 GES64 QUAD V2 GPS MECHANICAL DIMENSIONS 0 cece eee eeeeeeeeeeeeeeeeeeaneaneaeeaeeaeeaeenees 12 3 1 ir RER RE 12 3 2 CON e o T E D a a aan 13 3 3 MECHANICAL VIEW OF TELIT GC864 QUAD V2 WITH SIM Hoon 14 3 4 GC864 QUAD V2 MODULE CONNECTIONS 4 sesrsassahronsatnusanetupansensaseetenioaesdinnnetenenseat entaetertesestiresseneresnene 14 4 BLECTRICAL CONNECTIONS 19 4 1 GPE FOUAD OS EEE IS 4 1 1 TIN OUT ae 15 4 1 2 BGA Balls Loo 20 4 2 EE FOUAD nn riot bi iaa 22 4 2 1 PINO Eto ds ee a de 22 4 2 2 GCS64 QUAD V2 Antenna Connector eese eee hene hene nh eenn nh eene sn see ense ense essen en eser nenne 25 5 HARDWARE COVNIMANDS EE 26 5 1 TURNING ON THE GE GC864 QUAD V2 AND GbRoA OGbn Henne nnn enne nennen nnns 26 9 2 TURNING OFF THE GE GC864 QUAD V2 AND GE864 Ob 30 5 3 HARDWARE UNCONDITIONAL RESTART WEEN 32 5 4 TURNING ON OFF THE GPS ONLY GE864 GPS eoooccccccncncnnnnnnnnnnnnnanononoconcnnnnnnnnnnonnnnnnnnnrnncncnnnnnnnnnnnnnnnnnananinocnnss 35 5 4 1 IN A O A ne ee en ts 35 5 4 2 ES I OM E EE E EEA AAAA 35 E TONER SUTPEY iaa _ _ 36 6 1 POWER SUPPLY REQUIREMENTS
36. and on pin 24 of PL101 on EVK2 Adapter board Type Output CMOS 1 8V Duration Typically 1us NOTE The signal is available only when the receiver provides a valid Navigation solution ch e _ Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 75 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 13 DAC and ADC Converter 13 1 DAC Converter 13 1 1 Description Ball Pin DAC Converter c7 au DAC OUT Digital Analog converter output The GE GC864 QUAD V2 AND GE864 GPS module provide one Digital to Analog Converter The on board DAC is a 10 bit converter able to generate an analogue value based a specific input in the range from 0 up to 1023 However an external low pass filter 1s necessary Min X Max SS Voltage range filtered 0 26 Volt Range 0 1023 The precision is 10 bits so if we consider that the maximum voltage is 2V the integrated voltage could be calculated with the following formula Integrated output voltage 2 value 1023 DAC OUT line must be integrated for example with a low band pass filter in order to obtain an analog voltage 13 1 2 Enabling DAC The AT command below is available to use the DAC function ns S p A written authorization All Rights Reserved Page 76 of 94 Reproduction forbidden without Telit Commun
37. ble to use the ADC function AT ADC 1 2 The read value is expressed in mV Refer to SW User Guide or AT Commands Reference Guide for the full description of this function mii ilii FPT Er Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 78 of 94 lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 14 Assembling the GE GC864 QUAD V2 AND GE864 GPS on the Board 14 1 Assembling the GE864 QUAD V2 and GE864 GPS The Telit GE864 QUAD V2 have been designed in order to be compliant with the standard lead free SMT process 00000000000 GE864 QUAD V2 aid ACC Oo OD OO OO OD OO 0 oOo 00 00 00000 L t i Zen wn mmm fen CA Zb den Aalen Vos ee ead free Alloy el e oU wu mw Due du Surface finishing Sn Ag Cu for all solder pads D LA OO D 00 00 0 Oo od 0 OO S Oo O70 OD OO GE864 GPS EA EX y WE 66664644 4 4 d GE 994 6969 6 90 8 9 0 6 9 4 6 6 6 0 6 HE ze Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 79 of 94 a Telit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 14 1 1 Recommended foot print for the application GE864 QUAD V2 000 000 000 000 OOO O O ooo we Be SE d 000 0 0 6 um 3 ooo ooo 000 000 000 000 CA CO Q
38. bled at request in both modes wg Jr ns S p A written authorization All Rights Reserved Reproduction forbidden without Telit Communicatio lelit GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 a Balanced SD HS Fullv Differential Eamiece Audio Amplifier EP H1 AUDIO 1 SEG FON MIC PI HS Microphone MICHN1 Baseband Audio Front End Balanced Ear HF ingle ended Fully Differential Audio Amplifier EE Ear HF hic HF E MIC P2 K 100nF up eT Microphone AUDIO 2 SEG FON Single ended 100nF ga Tull shd GE864 QUAD V2 Audio Front End Block Diagram Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Page 62 of 94 lelit eil GE GC864 QUAD V2 and GE864 GPS Hardware User Guide 1vv0300915 Rev 10 2012 04 24 10 2 Electrical Characteristics Being the microphone circuitry the more noise sensitive its design and layout must be done with particular care Both microphone paths are balanced and the OEM circuitry must be balanced designed to reduce the common mode noise typically generated on the ground plane However the customer can use the unbalanced circuitry for its particular application 10 2 1 Input Lines Characteristics MIC MT and MIC HF differential microphone paths Line Coupling Differential input voltage 7 Coupling capacito
39. characteristics constant cross section avoid meanders and abrupt curves e Keep one layer of the PCB used only for the Ground plane if possible e Surround on the sides over and under the antenna line on PCB with Ground avoid having other signal tracks facing directly the antenna line of track e The ground around the antenna line on PCB has to be strictly connected to the Ground Plane by placing vias once per 2mm at least e Place EM noisy devices as far as possible from GE864 GPS antenna line e Keep the antenna line far away from the GE864 GPS power supply lines e Keep the antenna line far away from the GE864 GPS GSM RF lines e Ifyou have EM noisy devices around the PCB hosting the GE864 GPS such as fast switching ICs take care of the shielding of the antenna line by burying it inside the layers of PCB and surround it with Ground planes or shield it with a metal frame cover e Ifyou do not have EM noisy devices around the PCB of GE864 GPS use a strip line on the superficial copper layer for the antenna line The line attenuation will be lower than a buried one 7 3 5 GPS Antenna Installation Guidelines e The GE864 GPS due to its characteristics of s