Telit Communications S p A GE864QA2B User Manual

GE864

-

QUAD Automotive V2

Hardware User Guide

1vv0300840 Rev.3 – 2010-04-08

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Applicable products

Applicable productsApplicable products

PRODUCT

PRODUCTPRODUCT

GE864

GE864----QUAD

GE864GE864 Automotive V2

Automotive V2

Automotive V2Automotive V2

QUAD

QUAD QUAD

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Contents

ContentsContents

1.

1. Introduction

Introduction................................

1.1.

IntroductionIntroduction

1.1.

1.1. Scope

1.1.1.1.

1.2.

1.2. Contact Information, Support

1.2.1.2.

1.3.

1.3. Text Conventions

1.3.1.3.

1.4.

1.4. Related Documents

1.4.1.4.

1.5.

1.5. Document History

1.5.1.5.

2.

2. Overview

2.2.

3.

3. GE864

3.3.

4.

4. GE864

4.4.

Scope ................................

ScopeScope

Contact Information, Support ................................

Contact Information, SupportContact Information, Support

Text Conventions ................................

Text ConventionsText Conventions

Related Documents ................................

Related DocumentsRelated Documents

Document History ................................

Document HistoryDocument History

Overview................................

OverviewOverview

GE864----QUAD Automotive V2 Mechanical Dimensions

GE864GE864

GE864----QUAD Automotive V2 modul

GE864GE864

................................................................

QUAD Automotive V2 Mechanical Dimensions ................................

QUAD Automotive V2 Mechanical DimensionsQUAD Automotive V2 Mechanical Dimensions

QUAD Automotive V2 module connections

QUAD Automotive V2 modulQUAD Automotive V2 modul

................................................................

e connections ................................

e connectionse connections

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

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........................... 7777

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............... 7777

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.......... 8888

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...... 8888

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........ 8888

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.................... 9999

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.............. 10

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.................... 11

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10

1010

11

1111

4.1.

4.1. PIN

4.1.4.1.

5.

5. HHHHardware Commands

5.5.

5.1.

5.1. Turning ON the GE864

5.1.5.1.

5.2.

5.2. Turning OFF the GE864

5.2.5.2.

6.

6. Power Supply

6.6.

6.1.

6.1. Pow

6.1.6.1.

6.2.

6.2. Power Consumption

6.2.6.2.

6.3.

6.3. General Design Rules

6.3.6.3.

7.

7. Antenna

7.7.

7.1.

7.1. GSM Antenna Requirements

7.1.7.1.

7.2.

7.2. GSM Antenna

7.2.7.2.

PIN----OUT

OUT ................................

PINPIN

4.1.1. BGA Balls Layout ..................................................................................................................................15

ardware Commands ................................

ardware Commandsardware Commands

Turning ON the GE864----QUAD Automotive V2 module

Turning ON the GE864Turning ON the GE864

Turning OFF the GE864----QUAD Automotive V2

Turning OFF the GE864Turning OFF the GE864

5.2.1. Hardware Unconditional Restart .......................................................................................................20

Power Supply ................................

Power SupplyPower Supply

Power Supply Requirements

PowPow

Power Consumption................................

Power ConsumptionPower Consumption

General Design Rules ................................

General Design RulesGeneral Design Rules

6.3.1. Electrical Design Guidelines................................................................................................................25

6.3.1.1. + 5V input Source Power Supply Design Guidelines.......................................................................25

6.3.1.2. + 12V input Source Power Supply Design Guidelines.....................................................................26

6.3.1.3. Battery Source Power Supply Design Guidelines...........................................................................27

6.3.2. Thermal Design Guidelines..................................................................................................................29

6.3.3. Power Supply PCB layout Guidelines ..................................................................................................30

Antenna ................................

AntennaAntenna

GSM Antenna Requirements ................................

GSM Antenna RequirementsGSM Antenna Requirements

GSM Antenna ---- PCB line Guidelines

GSM Antenna GSM Antenna

................................................................

OUTOUT

................................................................

QUAD Automotive V2 module ................................

QUAD Automotive V2 moduleQUAD Automotive V2 module

................................................................

er Supply Requirements ................................

er Supply Requirementser Supply Requirements

................................................................

PCB line Guidelines ................................

PCB line Guidelines PCB line Guidelines

................................................................

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QUAD Automotive V2 ................................

QUAD Automotive V2QUAD Automotive V2

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11

1111

17

1717

17

1717

19

1919

.......... 23

....................

23

2323

23

2323

.... 24

24

........

2424

25

2525

31

3131

31

3131

32

3232

7.3.

7.3. GSM Antenna

7.3.7.3.

8.

8. Logic level specifications

8.8.

8.1.

8.1. Reset signal

8.1.8.1.

GSM Antenna ---- Installation Guideline

GSM Antenna GSM Antenna

Logic level specifications ................................

Logic level specificationsLogic level specifications

Reset signal................................

Reset signalReset signal

Installation Guidelinessss ................................

Installation Guideline Installation Guideline

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........................ 34

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........ 33

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................ 35

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33

3333

34

3434

35

3535

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

9.

9. Se

Serial Ports

9.9.

10.

10. Audio Section Overview

10.10.

11.

11. General Purpose I/O

11.11.

rial Ports ................................

SeSe

rial Portsrial Ports

9.1.

9.1. MODEM SERIAL PORT

9.1.9.1.

9.2.

9.2. RS232 level translation

9.2.9.2.

9.3.

9.3. UART level translation

9.3.9.3.

10.1.

10.1. Selection mode

10.1.10.1.

10.2.

10.2. Electrical Characteristics

10.2.10.2.

11.1.

11.1. GPIO Logic levels

11.1.11.1.

MODEM SERIAL PORT ................................

MODEM SERIAL PORTMODEM SERIAL PORT

RS232 level translation ................................

RS232 level translationRS232 level translation

UART level translation ................................

UART level translationUART level translation

Audio Section Overview ................................

Audio Section OverviewAudio Section Overview

Selection mode................................

Selection modeSelection mode

Electrical Characteristics ................................

Electrical CharacteristicsElectrical Characteristics

10.2.1. Input Lines Characteristics ..................................................................................................................45

10.2.2. Output Lines Characteristics ...............................................................................................................46

General Purpose I/O ................................

General Purpose I/OGeneral Purpose I/O

GPIO Logic levels................................

GPIO Logic levelsGPIO Logic levels

................................................................

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

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36

3636

36

3636

38

3838

41

4141

43

4343

........ 43

43

................

4343

45

4545

48

4848

..... 49

49

..........

4949

11.2.

11.2. Using a GPIO Pad as INPUT

11.2.11.2.

11.3.

11.3. Using a GPIO Pad as OUTPUT

11.3.11.3.

11.4.

11.4. Using the RF Transmission Control GPIO4

11.4.11.4.

11.5.

11.5. Using the RFTXMON Output GPIO5

11.5.11.5.

11.6.

11.6. Using the Alarm Output GPIO6

11.6.11.6.

11.7.

11.7. Using the Buzzer Output GPIO7

11.7.11.7.

11.8.

11.8. Indication of network service availability

11.8.11.8.

11.9.

11.9. RTC Bypass out

11.9.11.9.

11.10.

11.10. External SIM Holder Implementation

11.10.11.10.

12.

12. DAC and ADC section

DAC and ADC section................................

12.12.

DAC and ADC sectionDAC and ADC section

12.1.

12.1. DAC Converter

12.1.12.1.

12.1.1. Description............................................................................................................................................55

12.1.2. Enabling DAC ........................................................................................................................................56

12.1.3. Low Pass Filter Example .....................................................................................................................56

12.2.

12.2. ADC Converter

12.2.12.2.

12.2.1. Description............................................................................................................................................57

12.2.2. Using ADC Converter............................................................................................................................57

13.

13. Mounting the GE864

Mounting the GE864----QUAD Automotive V2 on your Board

13.13.

Mounting the GE864Mounting the GE864

Using a GPIO Pad as INPUT ................................

Using a GPIO Pad as INPUTUsing a GPIO Pad as INPUT

Using a GPIO Pad as OUTPUT ................................

Using a GPIO Pad as OUTPUTUsing a GPIO Pad as OUTPUT

Using the RF Transmission Control GPIO4 ................................

Using the RF Transmission Control GPIO4Using the RF Transmission Control GPIO4

Using the RFTXMON Output GPIO5 ................................

Using the RFTXMON Output GPIO5Using the RFTXMON Output GPIO5

Using the Alarm Output GPIO6 ................................

Using the Alarm Output GPIO6Using the Alarm Output GPIO6

Using the Buzzer Output GPIO7................................

Using the Buzzer Output GPIO7Using the Buzzer Output GPIO7

Indication of network service availability ................................

Indication of network service availabilityIndication of network service availability

RTC Bypass out ................................

RTC Bypass outRTC Bypass out

External SIM Holder Implementation ................................

External SIM Holder ImplementationExternal SIM Holder Implementation

DAC Converter................................

DAC ConverterDAC Converter

ADC Converter................................

ADC ConverterADC Converter

................................................................

QUAD Automotive V2 on your Board ................................

QUAD Automotive V2 on your BoardQUAD Automotive V2 on your Board

................................................................

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50

5050

50

5050

50

5050

........... 51

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........ 58

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51

5151

51

5151

51

5151

.. 52

52

....

5252

....... 54

54

..............

5454

....... 54

54

..............

5454

55

5555

55

5555

57

5757

58

5858

13.1.

13.1. Ge

13.1.13.1.

13.2.

13.2. Module finishing & dimensions

13.2.13.2.

13.3.

13.3. Recommended foot print for the application

13.3.13.3.

General

neral ................................

GeGe

Module finishing & dimensions ................................

Module finishing & dimensionsModule finishing & dimensions

Recommended foot print for the application ................................

Recommended foot print for the applicationRecommended foot print for the application

................................................................

neralneral

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................... 58

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................ 58

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58

5858

58

5858

59

5959

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

13.4.

13.4. Debug of the GE864 in production

13.4.13.4.

13.5.

13.5. Stencil

13.5.13.5.

13.6.

13.6. PCB pad design

13.6.13.6.

13.7.

13.7. Solder paste

13.7.13.7.

13.7.1. GE864 Solder reflow.............................................................................................................................63

14.

14. Packing system

Packing system ................................

14.14.

Packing systemPacking system

14.1.

14.1. GE864 orientation on the tray

14.1.14.1.

14.2.

14.2. Moisture sensibility

14.2.14.2.

15.

15. Conformity Assessment Issues

Conformity Assessment Issues................................

15.15.

Conformity Assessment IssuesConformity Assessment Issues

16.

16. SAFETY RECOMMANDATIONS

SAFETY RECOMMANDATIONS ................................

16.16.

SAFETY RECOMMANDATIONSSAFETY RECOMMANDATIONS

Debug of the GE864 in production ................................

Debug of the GE864 in productionDebug of the GE864 in production

Stencil................................

StencilStencil

PCB pad design ................................

PCB pad designPCB pad design

Solder paste ................................

Solder pasteSolder paste

GE864 orientation on the tray................................

GE864 orientation on the trayGE864 orientation on the tray

Moisture sensibility ................................

Moisture sensibilityMoisture sensibility

................................................................

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

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60

6060

60

6060

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61

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6161

62

6262

....... 65

65

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6565

67

6767

67

6767

68

6868

70

7070

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Disclaimer

DisclaimerDisclaimer

The information contained in this document is the proprietary information of Telit

Communications S.p.A. and its affiliates (“TELIT”).

The contents are confidential and any disclosure to persons other than the officers, employees, agents or subcontractors of the owner or licensee of this document, without the prior written consent of Telit, is strictly prohibited. Telit makes every effort to ensure the quality of the information it makes available. Notwithstanding the foregoing, Telit does not make any warranty as to the information contained herein, and does not accept any liability for any injury, loss or damage of any kind incurred by use of or reliance upon the information. Telit disclaims any and all responsibility for the application of the devices characterized in this document, and notes that the application of the device must comply with the safety standards of the applicable country, and where applicable, with the relevant wiring rules. Telit reserves the right to make modifications, additions and deletions to this document due to typographical errors, inaccurate information, or improvements to programs and/or equipment at any time and without notice. Such changes will, nevertheless be incorporated into new editions of this document.

Copyright: Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited. Offenders will be held liable for payment of damages. All rights are reserved.

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

1. Introduction

The information presented in this document is believed to be accurate and reliable. However, no responsibility is assumed by Telit Communications S.p.A. for its use, nor any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent rights of Telit Communications S.p.A. other than for circuitry embodied in Telit products. This document is subject to change without notice.

1.1. Scope

The aim of this document is the description of some hardware solutions useful for developing a product with the Telit

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Telit GE864

GE864----QUAD Automotive V2

Telit Telit

GE864GE864

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

QUAD Automotive V2module.

QUAD Automotive V2QUAD Automotive V2

1.2. 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

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.

1.3. Text Conventions

Danger

Danger – This information MUST be followed or catastrophic equipment failure or

Danger Danger bodily injury may occur.

bodily injury may occur.

bodily injury may occur.bodily injury may occur.

Caution or Warning

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

Caution or Warning Caution or Warning module, if these points are not followed, the module and end use

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

module, if these points are not followed, the module and end usemodule, if these points are not followed, the module and end use fail or malfunction.

fail or malfunction.

fail or malfunction.fail or malfunction.

Tip or Information

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

Tip or Information Tip or Information integrating the module.

integrating the module.

integrating the module.integrating the module.

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

This information MUST be followed or catastrophic equipment failure or

This information MUST be followed or catastrophic equipment failure or This information MUST be followed or catastrophic equipment failure or

Alerts the user to important points about integrating the

Alerts the user to important points about integrating the Alerts the user to important points about integrating the

Provides advice and suggestions that may be useful when

Provides advice and suggestions that may be useful when Provides advice and suggestions that may be useful when

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

r equipment may

r equipment may r equipment may

1.4. Related Documents

• SIM Holder Design Guides, 80000NT10001a

• SW User Guide, 1vv0300784

• GE864-QUAD Automotive V2 Product Description, 80331ST10066a

• Audio settings application note , 80000NT10007a

• AT Commands Reference Guide 80000ST10025a

1.5. Document History

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ISSUE#0 2009-07-01 First Release from rev 7 of 1vv0300779 ISSUE#1 2009-07-27 Changed par. 4.1 Turning ON and par. 5.1 Power supply Requirements

ISSUE#2 2010-03-30 Applied new layout (paragraphs numbers shifted accordingly)

ISSUE#3 2010-04-08 The external function error on pin F3

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5V UART level translation

2. Overview

The aim of this document is the description of some hardware solutions useful for developing a product with the Telit In this document all the basic functions of a mobile phone module will be taken into account; for each one of them a proper hardware solution will be suggested and eventually the wrong solutions and common errors to be avoided will be 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 the information given shall be used as a guide and a starting point for properly developing your product with the Telit module. For further hardware details that may not be explained in this document refer to the Telit GE864-QUAD Automotive V2 Product Description document where all the hardware information is reported.

NOTE:

NOTE:NOTE: The integration of the GSM/GPRS application shall be done according to the design rules described in this manual.

The information presented in this document is believed to be accurate and reliable. However, no responsibility is assumed by Telit Communications S.p.A. for its use, nor any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent rights of Telit Communications S.p.A. other than for circuitry embodied in Telit products. This document is subject to change without notice.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Telit GE864

GE864----QUAD Automotive V2

Telit Telit

GE864GE864

GE864-QUAD Automotive V2

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

QUAD Automotive V2 module.

QUAD Automotive V2QUAD Automotive V2

Telit GE864

GE864----QUAD Automotive V2

Telit Telit

GE864GE864

QUAD Automotive V2

QUAD Automotive V2QUAD Automotive V2

cellular module within user

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

3. GE864-QUAD Automotive V2 Mechanical Dimensions

The Telit

Telit GE864

GE864----QUAD Automotive V2

Telit Telit

GE864GE864

• Length:

Length: 30 mm

Length: Length:

• Width:

Width: 30 mm

Width: Width:

• Thickness:

Thickness: 2.9

Thickness: Thickness:

• Weight:

Weight: 5,2 g/4,2g

Weight:Weight:

QUAD Automotive V2 module overall dimension are:

QUAD Automotive V2QUAD Automotive V2

30 mm

30 mm30 mm 30 mm

30 mm 30 mm

2.9 mm

mm

2.92.9

mm mm

5,2 g/4,2g

5,2 g/4,2g5,2 g/4,2g

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

QUAD Automotive V2 Hardware User Guide

QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide

1vv0300840 Rev.3 2010-04-08

4. GE864-QUAD Automotive V2 module connections

4.1.

4.1. PIN

4.1.4.1.

Ball

Ball Si

BallBall

F9

F9 AXE I Handsfree switching 100K CMOS 2.8V

F9F9

G8

G8 MIC_HF+ AI

G8G8

G9

G9 MIC_MT- AI

G9G9

G10

G10 EAR_MT+ AO Handset earphone signal output, phase + Audio

G10G10

J8

J8 MIC_MT+ AI

J8J8

J9

J9 MIC_HF- AI

J9J9

J10

J10 EAR_HF- AO Handsfree ear output, phase - Audio

J10J10

H9

H9 EAR_MT- AO Handset earphone signal output, phase - Audio

H9H9

H10

H10 EAR_HF+ AO Handsfree ear output, phase + Audio

H10H10

C10

C10 SIMCLK O External SIM signal – Clock 1,8 / 3V

C10C10 C11

C11 SIMIN I External SIM signal - Presence (active low) 47K 1,8 / 3V

C11C11 DDDD4444 SIMVCC - External SIM signal – Power supply for the SIM 1,8 / 3V

D10

D10 SIMIO I/O External SIM signal - Data I/O 1,8 / 3V

D10D10 E9

E9 SIMRST O External SIM signal – Reset 1,8 / 3V

E9E9

D11

D11 TX_TRACE O TX Data for debug monitor CMOS 2.8V

D11D11

F10

F10 RX_TRACE I RX Data for debug monitor CMOS 2.8V

F10F10

B6

B6 C125/RING O Output for Ring indicator signal (RI) to DTE CMOS 2.8V

B6B6

B7

B7 C108/DTR I

B7B7

D9

D9 C109/DCD O

D9D9

E7

E7 C103/TXD I Serial data input (TXD) from DTE CMOS 2.8V

E7E7

E11

E11 C107/DSR O Output for Data set ready signal (DSR) to DTE CMOS 2.8V

E11E11

F7

F7 C105/RTS I

F7F7

F6

F6 C106/CTS O Output for Clear to send signal (CTS) to DTE CMOS 2.8V

F6F6

H8

H8 C104/RXD O Serial data output to DTE CMOS 2.8V

H8H8

C7

C7 DAC_OUT AO Digital/Analog converter output D/A

C7C7 J11

J11 ADC_IN1 AI Analog/Digital converter input A/D

J11J11

H11

H11 ADC_IN2 AI Analog/Digital converter input A/D

H11H11

A2

A2 RESET* I Reset input

A2A2

PIN----OUT

PINPIN

Signal

gnal I/O

SiSi

gnalgnal

OUT

OUTOUT

I/O Function

I/OI/O

Handsfree mic. input; phase +, nom. level 3mVrms Handset mic.signal input; phase-, nom. level 50mVrms

Handset mic.signal input; phase+, nom. level 50mVrms Handsfree mic.input; phase -, nom. level 3mVrms

Prog. / Data + HW Flow Control

Prog. / Data + HW Flow ControlProg. / Data + HW Flow Control

Input for Data terminal ready signal (DTR) from DTE Output for Data carrier detect signal (DCD) to DTE

Input for Request to send signal (RTS) from DTE

Function Internal PULL UP

FunctionFunction

Audio

AudioAudio

SIM card interface

SIM card interfaceSIM card interface

Trace

TraceTrace

DAC and ADC

DAC and ADCDAC and ADC

Miscellaneous Functions

Miscellaneous FunctionsMiscellaneous Functions

Internal PULL UP

Internal PULL UPInternal PULL UP

Audio

CMOS 2.8V

Type

TypeType

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Ball

Ball Si

BallBall

D8

D8 STAT_LED O Status indicator led CMOS 1.8V

D8D8 E2

E2 VRTC AO VRTC Power

E2E2

J5

J5 ON_OFF* I

J5J5

L8

L8 PWRMON O Power ON Monitor CMOS 2.8V

L8L8

L4

L4 Antenna O Antenna output – 50 ohm RF

L4L4

E6

E6 GPIO_01 / JDR I/O Telit GPIO01 I/O pin / Jammer detect report CMOS 2.8V

E6E6 H5

H5 GPIO_02/PCM_WAO I/O Telit GPIO02 Configurable GPIO / PCM audio * CMOS 2.8V

H5H5

K7

K7 GPIO_03 / PCM_RX I/O Telit GPIO03 Configurable GPIO / PCM audio * CMOS 2.8V

K7K7

B3

B3 GPIO_04 I/O

B3B3

K8

K8 GPIO_05 / RFTXMON I/O

K8K8

B5

B5 GPIO_06 / ALARM I/O Telit GPIO06 Configurable GPIO / ALARM CMOS 2.8V

B5B5

L9

L9 GPIO_07 / BUZZER I/O Telit GPIO07 Configurable GPIO / Buzzer CMOS 2.8V

L9L9 H3

H3 GPIO_08 / PCM_TX I/O Telit GPIO08 Configurable GPIO / PCM audio * CMOS 2.8V

H3H3

D7

D7 GPIO_09 / PCM_CLK I/O Telit GPIO09 Configurable GPIO / PCM audio * CMOS 2.8V

D7D7

J1

J1 VBATT - Main power supply Power

J1J1

K1

K1 VBATT - Main power supply Power

K1K1 J2

J2 VBATT - Main power supply Power

J2J2

K2

K2 VBATT - Main power supply Power

K2K2

A1

A1 GND - Ground Power

A1A1

A11

A11 GND - Ground Power

A11A11

D6

D6 GND - Ground Power

D6D6

F1

F1 GND - Ground Power

F1F1

F11

F11 GND - Ground Power

F11F11

H1

H1 GND - Ground Power

H1H1

H2

H2 GND - Ground Power

H2H2

J3

J3 GND - Ground Power

J3J3

K3

K3 GND - Ground Power

K3K3

K4

K4 GND - Ground Power

K4K4

K5

K5 GND - Ground Power

K5K5

K6

K6 GND - Ground Power

K6K6

L1

L1 GND - Ground Power

L1L1

L2

L2 GND - Ground Power

L2L2

L3

L3 GND - Ground Power

L3L3 L6

L6 GND - Ground Power

L6L6

L11

L11 GND - Ground Power

L11L11

A3

A3 - - Reserved

A3A3

Signal

gnal I/O

SiSi

gnalgnal

I/O Function

I/OI/O

Input command for switching power ON or OFF (toggle command). The pulse to be sent to the GE864-QUAD Automotive V2 must be equal or greater than 1 second.

Telit GPIO04 Configurable GPIO / RF Transmission Control Telit GPIO05 Configurable GPIO / Transmitter ON monitor

Function Internal PULL UP

FunctionFunction

Telit GPIO

Telit GPIOTelit GPIO

Power Supply

Power SupplyPower Supply

RESERVED

RESERVEDRESERVED

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Internal PULL UP

Internal PULL UPInternal PULL UP

47K Pull up to VBATT

CMOS 2.8V

Type

TypeType

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Ball

Ball Si

BallBall

A4

A4 - - Reserved

A4A4 A5

A5 - - Reserved

A5A5

A6

A6 - - Reserved

A6A6 A7

A7 - - Reserved

A7A7 A8

A8 - - Reserved

A8A8

A9

A9 - - Reserved

A9A9 A10

A10 - - Reserved

A10A10

B1

B1 - - Reserved

B1B1 B2

B2 - - Reserved

B2B2

B4

B4 - - Reserved

B4B4

B8

B8 - - Reserved

B8B8 B9

B9 - - Reserved

B9B9

B10

B10 - - Reserved

B10B10

B11

B11 - - Reserved

B11B11

C1

C1 - - Reserved

C1C1

C2

C2 - - Reserved

C2C2 C3

C3 - - Reserved

C3C3

C4

C4 - - Reserved

C4C4

C5

C5 - - Reserved

C5C5

C6

C6 - - Reserved

C6C6 C8

C8 - - Reserved

C8C8

C9

C9 - - Reserved

C9C9 D1

D1 - - Reserved

D1D1

D2

D2 - - Reserved

D2D2

D3

D3 - - Reserved

D3D3 D5

D5 - - Reserved

D5D5

E1

E1 - - Reserved

E1E1 E3

E3 - - Reserved

E3E3 E4

E4 - - Reserved

E4E4

E5

E5 - - Reserved

E5E5 E8

E8 - - Reserved

E8E8

E10

E10 - - Reserved

E10E10 F2

F2 - - Reserved

F2F2

F3

F3 - - Reserved

F3F3

F4

F4 - - Reserved

F4F4 F5

F5 - - Reserved

F5F5

F8

F8 - - Reserved

F8F8

G1

G1 - - Reserved

G1G1

G2

G2 - - Reserved

G2G2

G3

G3 - - Reserved

G3G3 G4

G4 - - Reserved

G4G4

G5

G5 - - Reserved

G5G5

G6

G6 - - Reserved

G6G6

Signal

gnal I/O

SiSi

gnalgnal

I/O Function

I/OI/O

Function Internal PULL UP

FunctionFunction

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Internal PULL UP

Internal PULL UPInternal PULL UP

Type

TypeType

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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Ball

Ball Si

BallBall

G7

G7 - - Reserved

G7G7 G11

G11 - - Reserved

G11G11

H4

H4 - - Reserved

H4H4 H6

H6 - - Reserved

H6H6 H7

H7 - - Reserved

H7H7

J4

J4 - - Reserved

J4J4 J6

J6 - - Reserved

J6J6

J7

J7 - - Reserved

J7J7 K9

K9 - - Reserved

K9K9

K10

K10 - - Reserved

K10K10

K11

K11 - - Reserved

K11K11 L5

L5 - - Reserved

L5L5

L7

L7 - - Reserved

L7L7

L10

L10 - - Reserved

L10L10

Signal

gnal I/O

SiSi

gnalgnal

I/O Function

I/OI/O

Function Internal PULL UP

FunctionFunction

Internal PULL UP

Internal PULL UPInternal PULL UP

* Ref. to Digital Voice Interface Application Note 80000NT10004a.

NOTE:

NOTE:NOTE: RESERVED pins must not be connected

Type

TypeType

NOTE:

NOTE:NOTE:

RTS must be connected to the GND (on the module side) if flow control is not used.

NOTE:

NOTE:NOTE: If not used, almost all pins should be left disconnected. The only exceptions are the following pins:

pin signal

pinpin

J1,K1,J2,K2

J1,K1,J2,K2 VBATT

J1,K1,J2,K2J1,K1,J2,K2

A1,F1,H1,L1,H2,L2,J3,K3,L3,

A1,F1,H1,L1,H2,L2,J3,K3,L3,A1,F1,H1,L1,H2,L2,J3,K3,L3, K4,K5,D6,K6,L6,A1

K4,K5,D6,K6,L6,A11,F11,L11

K4,K5,D6,K6,L6,A1K4,K5,D6,K6,L6,A1

1,F11,L11

1,F11,L111,F11,L11

J5

J5 ON/OFF*

J5J5 E7

E7 TXD

E7E7 A2

A2 RESET*

A2A2

H8

H8 RXD

H8H8

signal

signalsignal

GND

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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4.1.1.

4.1.1. BGA Balls Layout

4.1.1.4.1.1.

BGA Balls Layout

BGA Balls LayoutBGA Balls Layout

TOP VIEW

TOP VIEWTOP VIEW

AAAA BBBB CCCC DDDD EEEE FFFF GGGG HHHH JJJJ KKKK LLLL

GND - - - -

1111

RESET* - - - VRTC - - GND VBATT VBATT GND

2222

3333

4444

5555

6666

7777

8888

- GPIO_04 - - - - -

-- - - SIMVCC - - - - - GND Antenna

GPIO_06 /

-

- C108 / DTR DAC_OUT

- - - STAD_ LED

ALARM

C125/RING

- - - - -

- GND

GPIO_09 / PCM_CLK

GPIO_01 /

JDR

C103 / TXD C105 / RTS

- - MIC_HF+ C104 / RXD MIC_MT+

GND - GND VBATT VBATT GND

GPIO_08 /

PCM_TX

GPIO_02 /

PCM_WAO

C106 / CTS

- - - GND GND

- - -

GND GND GND

ON_OFF* GND -

GPIO_03/

PCM_RX

GPIO_05 /

RFTXMON

-

PWRMON

9999

10

1010

11

1111

- - - C109 / DCD SIMRST AXE MIC_MT- EAR_MT- MIC_HF- -

- - SIMCLK SIMIO

GND - SIMIN

TX_TRACE

- RX_TRACE

C107 / DSR GND - ADC_IN2 ADC_IN1 - GND

EAR_MT+ EAR_HF+ EAR_HF- - -

GPIO_07 /

BUZZER

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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AUDIO Signals balls

SIM CARD interface balls

TRACE Signals balls

Prog. / data + Hw Flow Control signals balls

ADC signals balls

MISCELLANEOUS functions signals balls

TELIT GPIO balls

POWER SUPPLY VBATT balls

POWER SUPPLY GND balls

RESERVED

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

5. Hardware Commands

5.1.

5.1. Turning ON the

5.1.5.1.

Turning ON the GE864

Turning ON the Turning ON the

To turn on the GE864-QUAD Automotive V2 the pad ON* must be tied low for at least 1 seconds and then released.

When the power supply voltage is lower than 3.4V the pad ON# must be tied low for at least 3 seconds.

The maximum current that can be drained from the ON* pad is 0,1 mA. A simple circuit to do it is:

GE864----QUAD Automotive V2

GE864GE864

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QUAD Automotive V2 module

QUAD Automotive V2QUAD Automotive V2

module

module module

NOTE:

NOTE: 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 GE864-QUAD Automotive V2 power regulator and improper power on/off of the module. The line ON* must be connected only in open collector configuration.

NOTE:

NOTE:NOTE: In this document all the lines that are inverted, hence have active low signals are labeled with a name that ends with a "*" .

TIP:

TIP:TIP: To check if the device has powered on, the hardware line PWRMON should be monitored. After 00ms the line raised up the device could be considered powered on.

NOTE:

NOTE:NOTE: It is recommended to avoid having any HIGH logic level signal applied to the digital pins of the GE864-QUAD Automotive V2when the module is powered off.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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A flow chart showing the proper turn on procedure is displayed below:

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

For example: 1- Let's assume you need to drive the ON* pad with a totem pole output from +1.8V up to 5V microcontroller (uP_OUT1):

2- Let's assume you need to drive the ON* pad directly with an ON/OFF button:

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5.2.

5.2.5.2.

Turning OFF the

Turning OFF the GE864

Turning OFF the Turning OFF the

The turning off of the device can be done in two ways:

• via AT command (see GE864-QUAD / PY Software User Guide)

• by tying low pin ON#

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 GE864-QUAD / PY 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 ON# pad.

GE864----QUAD Automotive V2

GE864GE864

QUAD Automotive V2

QUAD Automotive V2QUAD Automotive V2

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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TIP:

TIP:TIP:

To check if the device has powered off, the hardware line PWRMON must be monitored. When PWRMON goes low, the device has powered off.

5.2.1. Hardware Unconditional Restart

WARNING:

WARNING:WARNING:

The hardware unconditional Restart must not be used during normal operation of the device since it does not detach the device from the network. It shall be kept as an emergency exit procedure to be done in the rare case that the device gets stacked waiting for some network or SIM responses.

To unconditionally restart the GE864-QUAD / PY, the pad RESET# must be tied low for at least 200 milliseconds and then released. The maximum current that can be drained from the ON# pad is 0.15 mA.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

A simple circuit to do it is:

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NOTE:

NOTE:NOTE:

Do not use any pull up resistor on the RESET# line nor any totem pole digital output. Using pull up resistor may bring to latch up problems on the GE864-QUAD / PY power regulator and improper functioning of the module. The line RESET# must be connected only in open collector configuration.

TIP:

TIP:TIP:

The unconditional hardware Restart must always be implemented on the boards and must be used by the software as an emergency exit procedure.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

The following flow chart shows the proper Reset procedure:

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For example: Let us assume you need to drive the RESET# pad with a totem pole output of a +3/5 V microcontroller (uP_OUT2):

This signal is internally pulled up so the pin can be left floating if not used.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

6. Power Supply

The power supply circuitry and board layout are a very important part in the full product design and they strongly reflect on the product overall performances, hence read carefully the requirements and the guidelines that will follow for a proper design.

6.1.

6.1. Power Supply Requirements

6.1.6.1.

Power Supply Requirements

Power Supply RequirementsPower Supply Requirements

POWER SUPPLY

POWER SUPPLYPOWER SUPPLY

Nominal Supply Voltage 3.8V

Max Supply Voltage 4.2V

Operating Supply Voltage Range 3.4V – 4.2V

Wide Supply Voltage tolerant 3.25V – 4.2V

TIP:

TIP: 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).

NOT

NOTE:

E:

NOTNOT

E:E: The Operating Voltage Range MUST never be exceeded also in power off condition; care must be taken in order to fulfill min/max voltage requirement

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NOTE:

NOTE: NOTE:

When the power supply voltage is lower than 3.4V, to turn ON the module, the pad ON# must be tied low for at least 3 seconds. See para 5.1

6.2.

6.2. Power Consumption

6.2.6.2.

Power Consumption

Power ConsumptionPower Consumption

The GE864-QUAD Automotive V2 power consumptions are:

Average

Mode

ModeMode

SWITCHED OFF

SWITCHED OFFSWITCHED OFF

Switched Off <62uA

AT+CFUN=1 19,0 Normal mode: full functionality of the module

AT+CFUN=4 18,0

AT+CFUN=0 or =5

CSD TX and RX mode

CSD TX and RX modeCSD TX and RX mode GSM900 CSD PL5 305,0 DCS1800 CSD PL0 208,0

GPRS (class 10) 1TX

GPRS (class 10) 1TXGPRS (class 10) 1TX GSM900 PL5 264,0 DCS1800 PL0 176,0

GPRS (class 10) 2TX

GPRS (class 10) 2TXGPRS (class 10) 2TX GSM900 PL5 473,8 DCS1800 PL0 307,8

Average Average

(mA)

(mA)(mA)

3,9 Paging Multiframe 2 2,9 Paging Multiframe 4 2,1 Paging Multiframe 6 1,9 Paging Multiframe 8 1,6 Paging Multiframe 9

The GSM system is made in a way that the RF transmission is not continuous, else it is packed into bursts at a base frequency of about 216 Hz, the relative current peaks can be as high as about 2A. Therefore the power supply has to be designed in order to withstand with these current peaks without big voltage drops; this means that both the electrical design and the board layout must be designed for this current flow. If the layout of the PCB is not well designed a strong noise floor is generated on the ground and the supply; this will reflect on all the audio paths producing an audible annoying noise at 216 Hz; if the voltage drop during the peak current absorption is too much, then the device may even shutdown as a consequence of the supply voltage drop.

TIP:

TIP: TIP: The electrical design for the Power supply should be made ensuring it will be capable of a peak current output of at least 2A.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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Mode description

Mode descriptionMode description

Module supplied but Switched Off

IDLE mode

IDLE modeIDLE mode

Disabled TX and RX; module is not registered on the network

GSM VOICE CALL

GPRS Sending data mode

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

6.3.

6.3. General Design Rules

6.3.6.3.

6.3.1.

6.3.1. Electrical Design Guidelines

6.3.1.6.3.1.

General Design Rules

General Design RulesGeneral Design Rules

The principal guidelines for the Power Supply Design embrace three different design steps:

• the electrical design

• the thermal design

• the PCB layout.

Electrical Design Guidelines

Electrical Design Guidelines Electrical Design Guidelines

The electrical design of the power supply depends strongly from the power source where this power is drained. We will distinguish them into three categories:

• +5V input (typically PC internal regulator output)

• +12V input (typically automotive)

• Battery

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6.3.1.1.

6.3.1.1. + 5V input Source Power Supply Design Guidelines

6.3.1.1.6.3.1.1.

+ 5V input Source Power Supply Design Guidelines

+ 5V input Source Power Supply Design Guidelines + 5V input Source Power Supply Design Guidelines

• The desired output for the power supply is 3.8V, hence there's not a big

difference between the input source and the desired output and a linear regulator can be used. A switching power supply will not be suited because of the low drop out requirements.

• When using a linear regulator, a proper heat sink shall be provided in order to

dissipate the power generated.

• A Bypass low ESR capacitor of adequate capacity must be provided in order to

cut the current absorption peaks close to the GE864-QUAD Automotive V2, a 100µF tantalum capacitor is usually suited.

• Make sure the low ESR capacitor on the power supply output (usually a

tantalum one) is rated at least 10V.

• A protection diode should be inserted close to the power input, in order to save

the GE864-QUAD Automotive V2 from power polarity inversion.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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An example of linear regulator with 5V input is:

6.3.1.2.

6.3.1.2. + 12V input Source Power Supply Design Guidelines

6.3.1.2.6.3.1.2.

+ 12V input Source Power Supply Design Guidelines

+ 12V input Source Power Supply Design Guidelines + 12V input Source Power Supply Design Guidelines

• The desired output for the power supply is 3.8V, hence due to the big difference

between the input source and the desired output, a linear regulator is not suited and shall not be used. A switching power supply will be preferable because of its better efficiency especially with the 2A peak current load represented by the GE864-QUAD Automotive V2.

• When using a switching regulator, a 500kHz 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.

• In any case the frequency and Switching design selection is related to the

application to be developed due to the fact the switching frequency could also generate EMC interferences.

• For car PB battery the input voltage can rise up to 15,8V and this should be kept

in mind when choosing components: all components in the power supply must withstand this voltage.

• A Bypass low ESR capacitor of adequate capacity must be provided in order to

cut the current absorption peaks, a 100µF tantalum capacitor is usually suited.

• Make sure the low ESR capacitor on the power supply output (usually a tantalum

one) is rated at least 10V.

• For Car applications a spike protection diode should be inserted close to the

power input, in order to clean the supply from spikes.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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• A protection diode should be inserted close to the power input, in order to save

the GE864-QUAD Automotive V2 from power polarity inversion. This can be the same diode as for spike protection.

An example of switching regulator with 12V input is in the below schematic (it is split in 2 parts):

6.3.1.3.

6.3.1.3. Battery Source Power Supply Design Guidelines

6.3.1.3.6.3.1.3.

Battery Source Power Supply Design Guidelines

Battery Source Power Supply Design Guidelines Battery Source Power Supply Design Guidelines

• The desired nominal output for the power supply is 3.8V and the maximum

voltage allowed is 4.2V, hence a single 3.7V Li-Ion cell battery type is suited for supplying the power to the Telit GE864-QUAD Automotive V2 module.

The three cells Ni/Cd or Ni/MH 3,6 V Nom. battery types or 4V PB types

USED DIRECTLY

USED DIRECTLYUSED DIRECTLY

since their maximum voltage can rise over the absolute maximum

voltage for the GE864-QUAD Automotive V2 and damage it.

MUST NOT BE

MUST NOT BE MUST NOT BE

GE864

WARNING

WARNING:

WARNINGWARNING

:

: :

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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DON'T USE any Ni-Cd, Ni-MH, and Pb battery types directly connected with GE864-QUAD Automotive V2. Their use can lead to overvoltage on the GE864QUAD Automotive V2 and damage it. USE ONLY Li-Ion battery types.

• A Bypass low ESR capacitor of adequate capacity must be provided in order to

cut the current absorption peaks, a 100µF tantalum capacitor is usually suited.

• Make sure the low ESR capacitor (usually a tantalum one) is rated at least 10V.

• A protection diode should be inserted close to the power input, in order to save

the GE864-QUAD Automotive V2 from power polarity inversion. Otherwise the battery connector should be done in a way to avoid polarity inversions when connecting the battery.

• The battery capacity must be at least 500mAh in order to withstand the current

peaks of 2A; the suggested capacity is from 500mAh to 1000mAh.

6.3.2.

6.3.2. Thermal Design Guidelines

6.3.2.6.3.2.

Thermal Design Guidelines

Thermal Design GuidelinesThermal Design Guidelines

The thermal design for the power supply heat sink should be done with the following specifications:

•

Average current consumption during transmission @PWR level max: 500mA

•

Average current consumption during transmission @ PWR level min: 100mA

•

Average current during Power Saving (CFUN=5): 4mA

•

Average current during idle (Power Saving disabled) 24mA

NOTE:

NOTE: NOTE: The average consumption during transmissions depends on the power level at which the device is requested to transmit by the network. The average current consumption hence varies significantly.

Considering the very low current during idle, especially if Power Saving function is enabled, it is possible to consider from the thermal point of view that the device absorbs current significantly only during calls. If we assume that the device stays into transmission for short periods of time (let's say few minutes) and then remains for a quite long time in idle (let's say one hour), then the power supply has always the time to cool down between the calls and the heat sink could be smaller than the calculated one for 500mA maximum RMS current, or even could be the simple chip package (no heat sink). Moreover in the average network conditions the device is requested to transmit at a lower power level than the maximum and hence the current consumption will be less than the 500mA, being usually around 150mA. For these reasons the thermal design is rarely a concern and the simple ground plane where the power supply chip is placed can be enough to ensure a good thermal condition and avoid overheating. For the heat generated by the GE864-QUAD Automotive V2, you can consider it to be during transmission 1W max during CSD/VOICE calls and 2W max during class10 GPRS upload. This generated heat will be mostly conducted to the ground plane under the GE864QUAD Automotive V2; you must ensure that your application can dissipate it.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

QUAD Automotive V2 Hardware User Guide

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GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

6.3.3.

6.3.3. Power Supply PCB layout Guidelines

6.3.3.6.3.3.

Power Supply PCB layout Guidelines

Power Supply PCB layout GuidelinesPower Supply PCB layout Guidelines

As seen on the electrical design guidelines the power supply shall have a low ESR capacitor on the output to cut the current peaks and a protection diode on the input to protect the supply from spikes and polarity inversion. The placement of these components is crucial for the correct working of the circuitry. A misplaced component can be useless or can even decrease the power supply performances.

• The Bypass low ESR capacitor must be placed close to the Telit GE864-QUAD

Automotive V2 power input pads or in the case the power supply is a switching type it can be placed close to the inductor to cut the ripple provided the PCB trace from the capacitor to the GE864-QUAD Automotive V2 is wide enough to ensure a dropless connection even during the 2A current peaks.

• The protection diode must be placed close to the input connector where the

power source is drained.

• The PCB traces from the input connector to the power regulator IC must be

wide enough to ensure no voltage drops occur when the 2A current peaks are absorbed. Note that this is not made in order to save power loss but especially to avoid the voltage drops on the power line at the current peaks frequency of 216 Hz that will reflect on all the components connected to that supply, introducing the noise floor at the burst base frequency. For this reason while a voltage drop of 300-400 mV may be acceptable from the power loss point of view, the same voltage drop may not be acceptable from the noise point of view. If your application doesn't have audio interface but only uses the data feature of the Telit GE864-QUAD Automotive V2, then this noise is not so disturbing and power supply layout design can be more forgiving.

• The PCB traces to the GE864-QUAD Automotive V2 and the Bypass capacitor

must be wide enough to ensure no significant voltage drops occur when the 2A current peaks are absorbed. This is for the same reason as previous point. Try to keep this trace as short as possible.

• The PCB traces connecting the Switching output to the inductor and the

switching diode must be kept as short as possible by placing the inductor and the diode very close to the power switching IC (only for switching power supply). This is done in order to reduce the radiated field (noise) at the switching frequency (100-500 kHz usually).

• The use of a good common ground plane is suggested.

• The placement of the power supply on the board should be done in such a way

to guarantee that the high current return paths in the ground plane are not overlapped to any noise sensitive circuitry as the microphone amplifier/buffer or earphone amplifier.

• The power supply input cables should be kept separate from noise sensitive

lines such as microphone/earphone cables.

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GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

7. Antenna

The antenna connection and board layout design are the most important part in the full product design and they strongly reflect on the product overall performances, hence read carefully and follow the requirements and the guidelines for a proper design.

7.1.

7.1. GSM Antenna Requirements

7.1.7.1.

GSM Antenna Requirements

GSM Antenna RequirementsGSM Antenna Requirements

As suggested on the Product Description the antenna and antenna line on PCB for a Telit GE864-QUAD Automotive V2 device shall fulfill the following requirements:

ANTENNA REQUIREMENTS

ANTENNA REQUIREMENTSANTENNA REQUIREMENTS

Frequency range

Frequency range Depending by frequency band(s)

Frequency rangeFrequency range

provided by the network operator, the customer shall use the most suitable antenna for that/those band(s)

Bandwidth

Bandwidth 70 MHz in GSM850, 80 MHz in

BandwidthBandwidth

GSM900, 170 MHz in DCS & 140 MHz PCS band

Gain

Gain Gain < 1,4dBi in GSM 850 & 900

GainGain

and < 3,0dBi DCS & PCS

Impedance

Impedance 50 ohm

ImpedanceImpedance Input power

Input power > 2 W peak power

Input powerInput power VSWR absolute max

VSWR absolute max <= 10:1

VSWR absolute maxVSWR absolute max VSWR recommended

VSWR recommended <= 2:1

VSWR recommendedVSWR recommended

When using the Telit GE864-QUAD Automotive V2, since there's no antenna connector on the module, the antenna must be connected to the GE864-QUAD Automotive V2 through the PCB with the antenna pad.

In the case that the antenna is not directly developed on the same PCB, hence directly connected at the antenna pad of the GE864-QUAD Automotive V2, then a PCB line is needed in order to connect with it or with its connector.

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GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

This line of transmission shall fulfill the following requirements:

ANTENNA LINE ON PCB REQUIREMENTS

ANTENNA LINE ON PCB REQUIREMENTSANTENNA LINE ON PCB REQUIREMENTS

Impedance

Impedance 50 ohm

ImpedanceImpedance Max Attenuation

Max Attenuation 0,3 dB

Max AttenuationMax Attenuation No coupling with other signals allowed

No coupling with other signals allowed

No coupling with other signals allowedNo coupling with other signals allowed Cold End (Ground Plane) of antenna shall be equipotential to

Cold End (Ground Plane) of antenna shall be equipotential to

Cold End (Ground Plane) of antenna shall be equipotential to Cold End (Ground Plane) of antenna shall be equipotential to the

the GE864

GE864----QUAD Automotive V2

the the

GE864GE864

Furthermore if the device is developed for the US market and/or Canada market, it shall comply to the FCC and/or IC approval requirements:

QUAD Automotive V2 ground pins

QUAD Automotive V2QUAD Automotive V2

QUAD Automotive V2 Hardware User Guide

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ground pins

ground pins ground pins

This device is to be used only for mobile and fixed application. The antenna(s) used for this transmitter 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. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. OEM integrators must ensure that the end user has no manual instructions to remove or install the GE864-QUAD Automotive V2 module. Antennas used for this OEM module must not exceed 3dBi gain for mobile and fixed operating configurations.

7.2.

7.2. GSM Antenna

7.2.7.2.

GSM Antenna ---- PCB line Guidelines

GSM Antenna GSM Antenna

• Ensure that the antenna line impedance is 50 ohm;

• Keep the antenna line on the PCB as short as possible, since the antenna line

loss shall be less than 0,3 dB;

• Antenna line must have uniform characteristics, constant cross section, avoid

meanders and abrupt curves;

• Keep, if possible, one layer of the PCB used only for the Ground plane;

• Surround (on the sides, over and under) the antenna line on PCB with Ground,

avoid having other signal tracks facing directly the antenna line track;

• 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;

• Place EM noisy devices as far as possible from GE864-QUAD Automotive V2

antenna line;

• Keep the antenna line far away from the GE864-QUAD Automotive V2 power

supply lines;

• If you have EM noisy devices around the PCB hosting the GE864-QUAD

Automotive V2, 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.

PCB line Guidelines

PCB line Guidelines PCB line Guidelines

• If you don't have EM noisy devices around the PCB of GE864-QUAD Automotive

V2, by using a strip-line on the superficial copper layer for the antenna line, the line attenuation will be lower than a buried one;

7.3.

7.3. GSM Antenna

7.3.7.3.

GSM Antenna ---- Installation Guidelines

GSM Antenna GSM Antenna

• Install the antenna in a place covered by the GSM signal.

• 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;

• Antenna shall not be installed inside metal cases

• Antenna shall be installed also according Antenna manufacturer instructions.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Installation Guidelines

Installation Guidelines Installation Guidelines

QUAD Automotive V2 Hardware User Guide

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Input level on any

Input voltage on

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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 Automotive V2

Automotive V2 interface circuits:

Automotive V2Automotive V2

Absolute Maximum Ratings

For 1,8V signals:

Operating Range

Absolute Maximum Ratings

Absolute Maximum Ratings Absolute Maximum Ratings

Parameter

Parameter Min

ParameterParameter

digital pin when on

analog pins when on

Operating Range

Operating Range ---- Interface level

Operating Range Operating Range

Level

Level Min

LevelLevel Input high level 2.1V 3.1V Input low level 0V 0.5V Output high level 2.2V 3.0V Output low level 0V 0.35V

Operating Range ---- Interface levels (

Operating Range Operating Range

Level

Level Min

LevelLevel Input high level 1.6V 2.2V Input low level 0V 0.4V Output high level 1,65V 2.2V Output low level 0V 0.35V

Current characteristics

Current characteristics Current characteristics

Level

Level Typical

LevelLevel Output Current 1mA Input Current 1uA

Min Max

MinMin

-0.3V +3.1V

-0.3V +3.0 V

Interface levels (2.8V CMOS)

Interface level Interface level

Min Max

MinMin

Interface levels (1111....8888V CMOS)

Interface levels ( Interface levels (

Min Max

MinMin

Typical

TypicalTypical

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Telit GE864

Max

MaxMax

s (2.8V CMOS)

s (2.8V CMOS)s (2.8V CMOS)

Max

MaxMax

V CMOS)

V CMOS)V CMOS)

Max

MaxMax

GE864----QUAD

Telit Telit

GE864GE864

QUAD

QUAD QUAD

8.1.

8.1. Reset signal

8.1.8.1.

Reset signal

Reset signalReset signal

Signal

Signal Function

SignalSignal RESET Phone reset I A2

RESET is used to reset the GE864 signal is pulled low, the GE864-QUAD Automotive V2 is reset. When the device is reset it stops any operation. After the release of the reset GE864-QUAD Automotive V2 is unconditionally shut down, without doing any detach operation from the network where it is registered. This behaviour is not a proper shut down because any GSM device is requested to issue a detach request on turn off. For this reason the Reset signal must not be used to normally shutting down the device, but only as an emergency exit in the rare case the device remains stuck waiting for some network response. The RESET is internally controlled on start-up to achieve always a proper power-on reset sequence, so there's no need to control this pin on start-up. It may only be used to reset a device already on that is not responding to any command.

NOTE

NOTE:

NOTENOTE do not use this signal to power off the GE864 signal to perform this function or the AT#SHDN command.

* this signal is internally pulled up so the pin can be left floating if not used.

If unused, this signal may be left unconnected. If used, then it must always be connected with an open collector transistor

connected with an open collector transistor, to permit to the internal circuitry the

connected with an open collector transistorconnected with an open collector transistor power on reset and under voltage lockout functions.

Function I/O

FunctionFunction

Reset Signal Operating levels

Reset Signal Operating levels:

Reset Signal Operating levelsReset Signal Operating levels

Signal

Signal Min

SignalSignal RESET Input high 2.0V* 2.2V RESET Input low 0V 0.2V

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

I/O Bga Ball

I/OI/O

GE864----QUAD Automotive V2

GE864GE864

Min Max

MinMin

QUAD Automotive V2 Hardware User Guide

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Bga Ball

Bga BallBga Ball

QUAD Automotive V2 modules

QUAD Automotive V2QUAD Automotive V2

GE864----QUAD Automotive V2

GE864GE864

QUAD Automotive V2. Use the ON/OFF

QUAD Automotive V2QUAD Automotive V2

Max

MaxMax

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modules. Whenever this

modules modules

must always be

must always be must always be

9. Serial Ports

The serial port on the Telit GE864-QUAD Automotive V2 is the core of the interface between the module and OEM hardware. 2 serial ports are available on the module:

• MODEM SERIAL PORT

• MODEM SERIAL PORT 2 (DEBUG)

9.1.

9.1. MODEM SERIAL PORT

9.1.9.1.

Operating Range

MODEM SERIAL PORT

MODEM SERIAL PORTMODEM SERIAL PORT

Several configurations can be designed for the serial port on the OEM hardware, but the most common are:

• RS232 PC com port

• microcontroller UART @ 2.8V - 3V (Universal Asynchronous Receive Transmit)

• microcontroller UART@ 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 doesn't need a level translation is the 2.8V UART. The serial port on the GE864-QUAD Automotive V2 is 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 Automotive V2 UART are the CMOS levels:

Absolute Maximum Ratings

Absolute Maximum Ratings ----Not Functional

Absolute Maximum Ratings Absolute Maximum Ratings

Parameter

Parameter Min

ParameterParameter Input level on any

digital pad when on Input voltage on

analog pads when on

Operating Range ---- Interface levels (2.8V CMOS)

Operating Range Operating Range

Level

Level Min

LevelLevel Input high level V Input low level VIL 0V 0.5V Output high level VOH 2.2V 3.0V Output low level VOL 0V 0.35V

Interface levels (2.8V CMOS)

Interface levels (2.8V CMOS) Interface levels (2.8V CMOS)

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

IH

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Not Functional

Not FunctionalNot Functional

Min Max

MinMin

-0.3V +3.1V

-0.3V +3.0 V

Min Max

MinMin

2.1V 3.1V

Max

MaxMax

Max

MaxMax

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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The signals of the GE864-QUAD Automotive V2 serial port are:

RS232

RS232 RS232

Pin Pin

Number

NumberNumber

1 DCD - dcd_uart

2 RXD - tx_uart H8 Transmit line *see Note Output transmit line of GE864-QUAD Automotive V2

3 TXD - rx_uart E7 Receive line *see Note Input receive of the GE864-QUAD Automotive V2

4 DTR - dtr_uart B7 Data Terminal Ready Input to the GE864-QUAD Automotive V2 that

5 GND A1,F1,H1

6 DSR - dsr_uart

7 RTS -rts_uart F7 Request to Send Input to the GE864-QUAD Automotive V2 that

8 CTS - cts_uart F6 Clear to Send Output from the GE864-QUAD Automotive V2 that

9 RI - ri_uart B6 Ring Indicator Output from the GE864-QUAD Automotive V2 that

Signal

Signal GE864

SignalSignal

GE864----

GE864GE864

QUAD

QUAD QUAD

Automotive

Automotive Automotive

V2

V2 Pad

Pad

V2V2

Pad Pad

Number

NumberNumber

D9 Data Carrier Detect Output from the GE864-QUAD Automotive V2 that

L1, H2, L2,

J3, K3….

E11 Data Set Ready Output from the GE864-QUAD Automotive V2 that

Name

Name Usage

NameName

indicates the carrier presence

controls the DTE READY condition

Ground ground

indicates the module is ready

controls the Hardware flow control

indicates the incoming call condition

Usage

UsageUsage

UART

NOTE:

NOTE: NOTE: According to V.24, RX/TX signal names are referred to the application side, therefore on the GE864 side 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 GE864-QUAD Automotive V2 serial port and viceversa for RX.

TIP:

TIP: TIP: For a minimum implementation, only the TXD and RXD lines can be connected, the other lines can be left open provided a software flow control is implemented.

9.2.

9.2. RS232 level translation

9.2.9.2.

RS232 level translation

RS232 level translationRS232 level translation

In order to interface the Telit GE864-QUAD Automotive V2 with a PC com port or a RS232 (EIA/TIA-232) application a level translator is required. This level translator must

 invert the electrical signal in both directions  change the level from 0/3V to +15/-15V

Actually, the RS232 UART 16450, 16550, 16650 & 16750 chipsets accept signals with lower levels on the RS232 side (EIA/TIA-562) , allowing for a lower voltage-multiplying ratio on the level translator. Note that the negative signal voltage must be less than 0V and hence some sort of level translation is always required. The simplest way to translate the levels and invert the signal is by using a single chip level translator. There are a multitude of them, differing in the number of driver and receiver and in the levels (be sure to get a true RS232 level translator not a RS485 or other standards). By convention the driver is the level translator from the 0-3V UART level to the RS232 level, while the receiver is the translator from RS232 level to 0-3V UART.

In order to translate the whole set of control lines of the UART you will need:

 5 driver  3 receiver

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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NOTE

NOTE::::

NOTENOTE

The digital input lines working at 2.8V CMOS have an absolute maximum input voltage of 3.0V; therefore the level translator IC shall not be powered by the +3.8V supply of the module. Instead, it must be powered from a +2.7V / +2.9V (dedicated) power supply.

This is because in this way the level translator IC outputs on the module side (i.e. GE865 inputs) will work at +3.8V interface levels, damaging the module inputs.

NOTE:

NOTE: NOTE: In order to be able to do in circuit reprogramming of the GE864 firmware, the serial port on the Telit GE864 shall be available for translation into RS232 and either it's controlling device shall be placed into tristate, disconnected or as a gateway for the serial data when module reprogramming occurs. Only RXD, TXD, GND and the On/off module turn on pad are required to the reprogramming of the module, the other lines are unused. All applicator shall include in their design such a way of reprogramming the GE864.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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An example of level translation circuitry of this kind is:

The example is done with a SIPEX SP3282EB RS232 Transceiver that could accept supply voltages lower than 3V DC.

NOTE:

NOTE:NOTE: In this case Vin has to be set with a value compatible with the logic levels of the module. (Max 2.9V DC). In this configuration the SP3282EB will adhere to EIA/TIA-562 voltage levels instead of RS232 (-5 ~ +5V)

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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Second solution could be done using a MAXIM transceiver (MAX218) In this case the compliance with RS232 (+-5V) is possible.

Another level adapting method could be done using a standard RS232 Transceiver (MAX3237EAI) adding some resistors to adapt the levels on the GE865 Input lines.

NOTE: In this case has to be taken in account the length of the lines on the application to avoid problems in case of High-speed rates on RS232.

The RS232 serial port lines are usually connected to a DB9 connector with the following layout:

9.3.

9.3. UART lev

9.3.9.3.

UART level translation

UART levUART lev

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:

el translation

el translationel translation

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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TIP:

TIP: TIP: The logic IC TC7SZ07AE may be used as level translator. Note that the TC7SZ07AE has open drain output, therefore the resistor R2 is mandatory.

NOTE:

NOTE: NOTE: The UART input line TXD (rx_uart) of the GE864-QUAD Automotive V2 is NOT internally pulled up with a resistor, so there may be the need to place an external 47KΩ pull-up resistor, either the DTR (dtr_uart) and RTS (rts_uart) input lines are not pulled up internally, so an external pull-up resistor of 47KΩ may be required.

A power source of the internal interface voltage corresponding to the 2.8VCMOS high level is available at the PWRMON pin on the connector, whose absolute maximum output current is 1mA. A maximum of 9 resistors of 47 KΩ pull-up can be connected to the PWRMON pin, provided no other devices are connected to it and the pulled-up lines are GE864-QUAD

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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Automotive V2 input lines connected to open collector outputs in order to avoid latch-up problems on the GE864-QUAD Automotive V2. Care must be taken to avoid latch-up on the GE864-QUAD Automotive V2 and the use of this output line to power electronic devices shall be avoided, especially for devices that generate spikes and noise such as switching level translators, micro controllers, failure in any of these condition can severely compromise the GE864-QUAD Automotive V2 functionality.

NOTE:

NOTE: NOTE: The input lines working at 2.8VCMOS can be pulled-up with 47KΩ resistors that can be connected directly to the PWRMON line provided they are connected as in this example. NO OTHER devices than those suggested should be powered with the PWRMON line; otherwise the module functionality may be compromised.

It is important to consider that the added circuit must have consumption lower than 1mA. In case of reprogramming of the module has to be considered the use of the RESET line to start correctly the activity.

The preferable configuration is having an external supply for the buffer.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

10. Audio Section Overview

The first Baseband chip was developed for the cellular phones, which needed two separated amplifiers both in RX and in TX section. A couple of amplifiers had to be used with internal audio transducers while the other couple of amplifiers had to be used with external audio transducers. To distinguish the schematic signals and the Software identifiers, two different definitions were introduced, with the following meaning:

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• internal audio transducers 

• external audio transducers 

Actually the acronyms have not the original importance. In other words this distinction is not necessary, being the performances between the two blocks like the same. Only if the customer needs higher output power to drive the speaker, he needs to adopt the Aduio2 Section ( difficulties.

For these reasons we have not changed the HS and HF acronyms, keeping them in the Software and on the schematics. The Base Band Chip of the GE864-QUAD V2 / GE864-DUAL V2 Telit Modules maintains the same architecture. For more information and suggestions refer to Telit document:

• Audio settings application note , 80000NT10007a

10.1.

10.1. Selection mode

10.1.10.1.

Selection mode

Selection mode Selection mode

Only one block can be active at a time, and the activation of the requested audio path is done via hardware ,by

HF

) . Otherwise the choice could be done in order to overcome the PCB design

AXE

line, or via software ,by

AXEAXE

Moreover the transmit path and the receive path, enabled at request in both modes.

Sidetone

SidetoneSidetone

functionality could be implemented by the amplifier fitted between the

HS

HS/MT

(from

HSHS

HF

(from HHHHandsFFFFree )

HFHF

HHHHandSSSSet

AT#CAP

AT#CAPAT#CAP

command .

or

MMMMicroTTTTelephone

)

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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16

Bias

Single ended

8

Balanced

Single ended

Balanced

Single ended

Balanced

Single ended

100nF

Ear MT+

Ear MT-

Mic MT+

Mic MT-

Ear HF+

Ear HF-

Mic HF+

Mic HF-

EP P1

HS Earpiece

EP N1

MICP1

HS Microphone

MICN1

LOUD1

HF Speaker

LOUD2

MICP2

HF Microphone

MICN2

Fully Differential Audio Amplifier

AUDIO 1 SECTION

Baseband Audio Front End

Fully Differential Audio Amplifier

AUDIO 2 SECTION

xgaffull.skd

GE864

GE864----QUAD V2 / GE864

GE864GE864

QUAD V2 / GE864----DUAL V2

QUAD V2 / GE864QUAD V2 / GE864

DUAL V2 Audio Front End Block Diagram

DUAL V2 DUAL V2

Audio Front End Block Diagram

Audio Front End Block DiagramAudio Front End Block Diagram

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

10.2.

10.2. Electrical Characteristics

10.2.10.2.

10.2.1.

10.2.1. Input Lines Characteristics

10.2.1.10.2.1.

Electrical Characteristics

Electrical CharacteristicsElectrical Characteristics

TIP:

TIP: Being the microphone circuitry the more noise sensitive, its design and layout

TIP: TIP: 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.

Input Lines Characteristics

Input Lines CharacteristicsInput Lines Characteristics

“MIC_MT” and “MIC_HF” differential microphone paths

“MIC_MT” and “MIC_HF” differential microphone paths“MIC_MT” and “MIC_HF” differential microphone paths

Line Coupling AC* Line Type Balanced Differential input voltage Gain steps

Gain steps 7

Gain stepsGain steps Gain increment 6dB per step Coupling capacitor Differential input

Differential input

Differential input Differential input resistance

resistance

resistanceresistance Input capacitance • 10pF

(*) WARNING :

(*) WARNING : AC means that the signals from the microphone have to be connected

(*) WARNING : (*) WARNING : to input lines of the module through capacitors which value has to be ≥ 100nF. Not respecting this constraint, the input stages will be damaged.

WARNING:

WARNING: when particular OEM application needs a

WARNING: WARNING: it is forbidden connecting the unused input directly to Ground, but only through a 100nF capacitor. Don’t forget that the useful input signal will be halved in configuration.

≤ 1,03Vpp @

≥ 100nF

50KΩ

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Mic G=0dB

Single Ended Input

configuration,

Single Ended Input

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

10.2.2.

10.2.2. Output Lines Characteristics

10.2.2.10.2.2.

Output Lines Characteristics

Output Lines CharacteristicsOutput Lines Characteristics

TIP

TIP:

TIPTIP

We suggest driving the load differentially from both output drivers, thus the output swing will double and the need for the output coupling capacitor avoided. However if particular OEM application needs also a but the output power will be reduced four times .

The OEM circuitry shall be designed to reduce the common mode noise typically generated on the ground plane and to get the maximum power output from the device (low resistance tracks).

WARNING:

WARNING: WARNING:

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Single Ended circuitry

can be implemented,

The loads are directly connected to the amplifier outputs when in configuration, through a capacitor when in

Ended configuration

constraint, the output stage will be damaged.

TIP :

TIP : TIP : Remember that there are slightly different electrical performances between the two internal audio amplifiers:

• the

“Ear_MT

Ear_MT”

Ear_MTEar_MT

configuration

• the “

• There is no difference if the amplifiers drive an external amplifier

(**)

(**) (**)

3,7V

Ear_HF

Ear_HF”

Ear_HFEar_HF

0dBFS

pp

is the normalized overall Analog Gain for each Output channel equal to

differential

, the unused output line must be left open. Not respecting this

lines can directly drive a

Single Ended

16

16Ω load

load

1616

4444Ω load

load

load load

at –12dBFS (**)

load load

in

configuration. Using a

Differential

Single

(**) in

(**)(**)

configurations

Differential

differential output voltage

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

“EAR_MT” Output Lines

“EAR_MT” Output Lines“EAR_MT” Output Lines

line coupling

0dBFS normalized gain 3,7 V output load resistance internal output resistance

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AC single-ended DC differential

differential

pp

≥ 16 Ω 4Ω (

@ -12dBFS

typical

) signal bandwidth 150 - 4000 Hz @ -3 dB maximal full scale

differential output voltage

3,7 V

(

typical

pp

R

load

=

open circuit

925mVpp / R

@ -12dBFS

)

load

=16Ω

volume increment 2 dB per step volume steps 10

“EAR_HF”

“EAR_HF” Output Lines

“EAR_HF” “EAR_HF”

line coupling

output load resistance

Output Lines

Output LinesOutput Lines

AC single-ended DC differential

≥ 8 Ω signal bandwidth 150 - 4000 Hz @ -3 dB maximal output power

0.35 W

/8 Ω

rms

@ battery voltage ≥ 3,6V volume increment 2 dB per step volume steps 10

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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11. General Purpose I/O

The general purpose I/O pads can be configured to act in three different ways:

• input

• output

• alternate function (internally controlled)

Input pads can only be read and report the digital value (high or low) present on the pad at the read time; output pads can only be written or queried and set the value of the pad output; an alternate function pad is internally controlled by the GE864-QUAD Automotive V2 firmware and acts depending on the function implemented. For Logic levels please refer to chapter 8.

The following GPIO are available on the GE864-QUAD Automotive V2:

Input /

Ball

Ball Signal

BallBall

B3

B3 GPIO_04 I/O GPIO04 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT x

B3B3

B5

B5 GPIO_06 I/O GPIO06 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT

B5B5

E6

E6 GPIO_01 I/O GPIO01 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT x Alternate function (JDR)

E6E6

H3

H3 GPIO_08 I/O GPIO08 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT x PCM_TX

H3H3 H5

H5 GPIO_02 I/O GPIO02 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT x PCM_WAO

H5H5

K7

K7 GPIO_03 I/O GPIO03 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT x PCM_RX

K7K7

K8

K8 GPIO_05 I/O GPIO05 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT x

K8K8

L9

L9 GPIO_07 I/O GPIO07 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT x

L9L9

D7

D7D7

Signal I/O

SignalSignal

GPIO_09 /

PCM_CLK

I/O

I/OI/O

I/O GPIO09 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT x PCM audio *

Function

Function Type

FunctionFunction

Type

TypeType

Input / Input / output

output

output output

current

currentcurrent

Default

Default Default

State

StateState

xxxx = undefined status

= undefined status

= undefined status = undefined status

Not all GPIO pads support all these three modes:

• GPIO1 supports all three modes and can be input, output, Jamming Detect

Output (Alternate function)

• GPIO4 supports all three modes and can be input, output, RF Transmission

Control (Alternate function)

• GPIO5 supports all three modes and can be input, output, RFTX monitor output

(Alternate function)

• GPIO6 supports all three modes and can be input, output, alarm output

(Alternate function)

• GPIO7 supports all three modes and can be input, output, buzzer output

(Alternate function)

State

StateState

during

during during

Reset

ResetReset

HIGH

(see Fig.01)

Note

NoteNote

Alternate function (RF Transmission Control)

Alternate function

(ALARM)

Alternate function

(RFTXMON)

Alternate function

(BUZZER)

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

11.1.

11.1. GPIO Logic levels

11.1.11.1.

Absolute Maximum Ratings

Operating Range

GPIO Logic levels

GPIO Logic levels GPIO Logic levels

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 GE864 Automotive V2

Automotive V2 interface circuits:

Automotive V2Automotive V2

Absolute Maximum Ratings

Absolute Maximum Ratings Absolute Maximum Ratings

Parameter

Parameter Min

ParameterParameter Input level on any digital pin when on -0.3V +3.1V Input voltage on analog pins when on -0.3V +3.0 V

Operating Range ---- Interface levels (2.8V CMOS)

Operating Range Operating Range

Level

Level Min

LevelLevel Input high level 2.1V 3.1V Input low level 0V 0.5V Output high level 2.2V 3.0V Output low level 0V 0.35V

For 1,8V signals:

Operating Range ---- Interface lev

Operating Range Operating Range

Level

Level Min

LevelLevel Input high level 1.6V 2.2V Input low level 0V 0.4V Output high level 1,65V 2.2V Output low level 0V 0.35V

Interface levels (2.8V CMOS)

Interface levels (2.8V CMOS) Interface levels (2.8V CMOS)

Interface levels (

Interface lev Interface lev

Min Max

MinMin

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Min Max

MinMin

Min Max

MinMin

els (1111....8888V CMOS)

els (els (

Max

MaxMax

Max

MaxMax

V CMOS)

V CMOS)V CMOS)

Max

MaxMax

GE864----QUAD

GE864GE864

QUAD

QUAD QUAD

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

11.2.

11.2. Using a GPIO Pad as INPUT

11.2.11.2.

11.3.

11.3. Using a GPIO Pad as OUTPUT

11.3.11.3.

Using a GPIO Pad as INPUT

Using a GPIO Pad as INPUT 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.

Using a GPIO Pad as OUTPUT

Using a GPIO Pad as OUTPUT Using a GPIO Pad as OUTPUT

The GPIO pads, when used as outputs, can drive 2.8V CMOS digital devices or compatible hardware. When set as outputs, the pads have a push-pull output and therefore the pull-up resistor may be omitted.

The illustration below shows the base circuit of a push-pull stage:

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11.4.

11.4. Using the RF Transmission Control GPIO4

11.4.11.4.

Using the RF Transmission Control GPIO4

Using the RF Transmission Control GPIO4 Using the RF Transmission Control GPIO4

The GPIO4 pin, when configured as RF Transmission Control Input, permits to disable the Transmitter when the GPIO is set to Low by the application. In the design is necessary to add a pull up resistor (47K to PWRMON);

11.5.

11.5.11.5.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Using the RFTXMON Output GPIO5

Using the RFTXMON Output GPIO5Using the RFTXMON Output GPIO5

The GPIO5 pin, when configured as RFTXMON Output, is controlled by the GE864-QUAD Automotive V2 module and will rise when the transmitter is active and fall after the transmitter activity is completed. The TXMON pin behaviour can be configured using the AT command.

# TXMONMODE

# TXMONMODE # TXMONMODE

Refer to AT Commands Reference Guide 80000ST10025a for the full description of this command. For example, if a call is started, the line will be HIGH during all the conversation and it will be again LOW after hanged up. The line rises up 300ms before first TX burst and will became again LOW from 500ms to 1sec after last TX burst.

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11.6.

11.6. Using the Alarm Output GPIO6

11.6.11.6.

11.7.

11.7. Using the Buzzer Output GPIO7

11.7.11.7.

Using the Alarm Output GPIO6

Using the Alarm Output GPIO6 Using the Alarm Output GPIO6

The GPIO6 pad, when configured as Alarm Output, is controlled by the GE864-QUAD Automotive V2 module and will rise when the alarm starts and fall after the issue of a dedicated AT command. This output can be used to power up the GE864-QUAD Automotive V2 controlling microcontroller or application at the alarm time, giving you the possibility to program a timely system wake-up to achieve some periodic actions and completely turn off either the application and the GE864-QUAD Automotive V2 during sleep periods, dramatically reducing the sleep consumption to few µA. In battery-powered devices this feature will greatly improve the autonomy of the device.

NOTE:

NOTE:NOTE: During RESET the line is set to HIGH logic level.

Using the Buzzer Output GPIO7

Using the Buzzer Output GPIO7 Using the Buzzer Output GPIO7

The GPIO7 pad, when configured as Buzzer Output, is controlled by the GE864-QUAD Automotive V2 module and will drive with appropriate square waves a Buzzer driver. This permits to your application to easily implement Buzzer feature with ringing tones or melody played at the call incoming, tone playing on SMS incoming or simply playing a tone or melody when needed by your application.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

A sample interface scheme is included below to give you an idea of how to interface a Buzzer to the GPIO7:

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NOTE:

NOTE: 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.

11.8. Indication of network service availability

11.8.11.8.

Indication of network service availability

Indication of network service availabilityIndication of network service availability

The STAT_LED pin status shows information on the network service availability and Call status. In the GE864-QUAD Automotive V2 modules, the STAT_LED usually needs an external transistor to drive an external LED. Therefore, the status indicated in the following table is reversed with respect to the pin status.

LED status

LED status Device

LED statusLED status Permanently off Device off Fast blinking

(Period 1s, Ton 0,5s) Slow blinking (Period 3s, Ton 0,3s) Permanently on a call is active

Device Status

DeviceDevice

Net search / Not registered / turning off Registered full service

Status

StatusStatus

GE864

A schematic example could be:

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

11.9.

11.9. RTC Bypass out

11.9.11.9.

11.10.

11.10. External SIM Holder Implementation

11.10.11.10.

RTC Bypass out

RTC Bypass outRTC Bypass out

The VRTC pin brings out the Real Time Clock supply, which is separate from the rest of the digital part, allowing having only RTC going on when all the other parts of the device are off. To this power output a backup capacitor can be added in order to increase the RTC autonomy during power off of the battery. NO Devices must be powered from this pin.

External SIM Holder Implementation

External SIM Holder ImplementationExternal SIM Holder Implementation

Please refer to the related User Guide (SIM Holder Design Guides, 80000NT10001a).

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12. DAC and ADC section

12.1.

12.1. DAC Converter

12.1.12.1.

12.1.1.

12.1.1. Description

12.1.1.12.1.1.

DAC Converter

DAC ConverterDAC Converter

Description

DescriptionDescription

The GE864-QUAD Automotive V2 module provides a Digital to Analog Converter. The signal (named DAC_OUT) is available on BGA Ball C7 of the GE864-QUAD Automotive V2 module and on pin 17 of PL102 on EVK2 Board (CS1302). The on board DAC is a 10-bit converter, able to generate a analogue value based a specific input in the range from 0 up to 1023. However, an external low-pass filter is necessary

Min Voltage range (filtered) 0 2,6 Volt Range 0 1023 Steps

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

Integrated output voltage = 2 * value / 1023Integrated 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.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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Min Max

MinMin

Max Units

MaxMax

Units

UnitsUnits

12.1.2.

12.1.2. Enabling DAC

12.1.2.12.1.2.

Enabling DAC

Enabling DACEnabling DAC

An AT command is available to use the DAC function. The command is AT#DAC[=<enable>[,<value>]]

<value>

<value> - scale factor of the integrated output voltage (0..1023 – 10 bit precision)

<value> <value> it must be present if <enable>=1

Refer to SW User Guide or AT Commands Reference Guide for the full description of this function.

NOTE:

NOTE:NOTE: The DAC frequency is selected internally. D/A converter must not be used during POWERSAVING.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

AT#DAC[=<enable>[,<value>]]

AT#DAC[=<enable>[,<value>]]AT#DAC[=<enable>[,<value>]]

<enable>=1

<enable>=1<enable>=1

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12.1.3.

12.1.3. Low Pass Filter Example

12.1.3.12.1.3.

Low Pass Filter Example

Low Pass Filter ExampleLow Pass Filter Example

12.2.

12.2. ADC Converter

12.2.12.2.

12.2.1.

12.2.1. Description

12.2.1.12.2.1.

ADC Converter

ADC ConverterADC Converter

Description

DescriptionDescription

The on board A/D are 11-bit converter. They are able to read a voltage level in the range of 0÷1.9 volts applied on the ADC pin input, store and convert it into 11 bit word.

Min Input Voltage range 0 1.9 Volt AD conversion - 11 bits Resolution - < 1 mV

The GE864-QUAD Automotive V2 module provides 2 Analog to Digital Converters. The input lines are:

ADC_IN1

ADC_IN1 available on Ball J11 and Pin 19 of PL102 on EVK2 Board.

ADC_IN1ADC_IN1 ADC_IN2

ADC_IN2 available on Ball H11 and Pin 20 of PL102 on EVK2 Board.

ADC_IN2ADC_IN2

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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Min Max

MinMin

Max Units

MaxMax

Units

UnitsUnits

12.2.2.

12.2.2. Using ADC Converter

12.2.2.12.2.2.

Using ADC Converter

Using ADC ConverterUsing ADC Converter

An AT command is available to use the ADC function.

The command is 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.

AT#ADC=1,2

AT#ADC=1,2AT#ADC=1,2

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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13. Mounting the GE864-QUAD Automotive V2 on your

Board

13.1.

13.1.13.1.

13.2.

13.2.13.2.

General

GeneralGeneral

The Telit

Telit GE864

Telit Telit

compliant with a standard lead-free SMT process.

Module finishing & dimensions

Module finishing & dimensionsModule finishing & dimensions

GE864----QUAD Automotive V

GE864GE864

QUAD Automotive V2222 modules

QUAD Automotive VQUAD Automotive V

modules have been designed in order to be

modules modules

Pin A1

Lead

Lead----free Alloy:

free Alloy:

LeadLead

free Alloy:free Alloy:

Surface finishing Sn/Ag/Cu for all solder pads

13.3.

13.3.13.3.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

Recommended foot print for the application

Recommended foot print for the applicationRecommended foot print for the application

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Top View

NOTE:

NOTE: NOTE: In the customer application, the region under INHIBIT WIRING *1 (see figure) must be clear from signal or ground paths.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

13.4.

13.4. Debug of the GE864 in production

13.4.13.4.

Debug of the GE864 in production

Debug of the GE864 in productionDebug of the GE864 in production

To test and debug the mounting of the GE864, we strongly recommend to foreseen test pads on the host PCB, in order to check the connection between the GE864 itself and the application and to test the performance of the module connecting it with an external computer. Depending by the customer application, these pads include, but are not limited to the following signals:

• TXD

• RXD

• ON/OFF

• RESET

• GND

• VBATT

• TX_TRACE

• RX_TRACE

•

PWRMON

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13.5.

13.5. Stencil

13.5.13.5.

Stencil

StencilStencil

Stencil’s apertures layout can be the same of the recommended footprint (1:1), we suggest a thickness of stencil foil ≥ 120µm.

13.6.

13.6. PCB pad design

13.6.13.6.

PCB pad design

PCB pad designPCB pad design

Non solder mask defined” (NSMD) type is recommended for the solder pads on the PCB.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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Recommendations for PCB pad dimensions

Ball pitch [mm]

Ball pitch [mm] 2,5

Ball pitch [mm]Ball pitch [mm]

Solder resist opening diameter A [mm]

Solder resist opening diameter A [mm] 1,150

Solder resist opening diameter A [mm]Solder resist opening diameter A [mm]

Metal pad diameter B [mm]

Metal pad diameter B [mm] 1 ± 0.05

Metal pad diameter B [mm]Metal pad diameter B [mm]

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

It is not recommended to place via or microvia not covered by solder resist in an area of 1,6mm diameter around the pads unless it carries the same signal of the pad itself. (see following figure).

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13.7.

13.7.13.7.

Holes in pad are allowed only for blind holes and not for through holes.

Recommendations for PCB pad surfaces:

Finish

Finish Layer thickness [µm]

FinishFinish Electro-less Ni / Immersion Au

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.

Solder past

Solder pasteeee

Solder pastSolder past

Lead free

Solder paste

Solder paste Sn/Ag/Cu

Solder pasteSolder paste

Layer thickness [µm] Properties

Layer thickness [µm]Layer thickness [µm] 3 –7 /

0.05 – 0.15

Lead free

Lead freeLead free

Properties

PropertiesProperties good solder ability protection, high shear force values

13.7.1.

13.7.1. GE864 Solder reflow

13.7.1.13.7.1.

GE864 Solder reflow

GE864 Solder reflowGE864 Solder reflow

The following is the recommended solder reflow profile

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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Profile Feature

Profile Feature Pb

Profile FeatureProfile Feature Average ramp-up rate (TL to TP) 3°C/second max Preheat – Temperature Min (Tsmin) – Temperature Max (Tsmax) – Time (min to max) (ts) Tsmax to TL – Ramp-up Rate Time maintained above: – Temperature (TL) – Time (tL) Peak Temperature (Tp) 245 +0/-5°C Time within 5°C of actual Peak Temperature (tp) Ramp-down Rate 6°C/second max. Time 25°C to Peak Temperature 8 minutes max.

Pb----Free Assembly

Free Assembly

PbPb

Free AssemblyFree Assembly

150°C 200°C 60-180 seconds

3°C/second max

217°C 60-150 seconds

10-30 seconds

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

NOTE

NOTE:

NOTENOTE All temperatures refer to topside of the package, measured on the package body surface.

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WARNING:

WARNING:WARNING: GE864 module can accept only one reflow process

Section A

-A

14. Packing system

The Telit GE864

Telit GE864 modules

Telit GE864Telit GE864 suitable for the GE864 according to SMT processes for pick & place movement requirements.

modules are packaged on trays of 20 pieces each. This is especially

modules modules

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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The size of the tray is: 329 x 176mm

GE864

WARNING

WARNING:

WARNINGWARNING

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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These trays can withstand at the maximum temperature of 65° C.

14.1.

14.1.14.1.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

GE864 orientation on the tray

GE864 orientation on the trayGE864 orientation on the tray

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14.2.

14.2.14.2.

Moisture sensibility

Moisture sensibilityMoisture sensibility

The level of moisture sensibility of GE864 IPC/JEDEC J-STD-020, take care all the relatives requirements for using this kind of components.

GE864 module is “3”, in according with standard

GE864GE864

GE864

GE864----QUAD Automotive V2 Hardware User Guide

GE864GE864

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15. Conformity Assessment Issues

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The Telit GE86 the essential requirements of the R&TTE Directive 1999/05/EC (Radio Equipment & Telecommunications Terminal Equipments) to demonstrate the conformity against the harmonised standards with the final involvement of a Notified Body.

If the module is installed in conformance to the Telit installation manuals, no further evaluation under Article 3.2 involvement of a R&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 Art R&TTE Directive.

In all cases the assessment of the final product must be made against the Essential requirements of the R&TTE Directive Articles 3.1(a) respectively, and any relevant Article 3.3 requirements.

This Hardware User Guide contain all the information you may need for developing a product meeting the R&TTE Directive.

Furthermore the GE86 module to be installed in other devices. This device is to be used only for fixed and mobile applications. If the final product after integration is intended for portable use, a new application and FCC is required.

The GE86

• Use of RF Spectrum. Standards: FCC 47 Part 24 (GSM 1900)

• EMC (Electromagnetic Compatibility). Standards: FCC47 Part 15

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

To meet the FCC's RF exposure rules and regulations:

GE864444----QUAD Automotive V2

GE86GE86

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GE86GE86

QUAD Automotive V2 Module

QUAD Automotive V2QUAD Automotive V2

Article 3.2 of the R&TTE Directive and do not require further

Article 3.2Article 3.2

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QUAD Automotive V2 Module

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Module has been assessed in order to satisfy

Module Module

Article 3.2

icle 3.2 of the

ArtArt

icle 3.2icle 3.2

Articles 3.1(a) and (b)

Articles 3.1(a)Articles 3.1(a)

Module module is FCC Approved as

Module Module

Module is conforming to the following US Directives:

Module Module

(b), Safety and EMC

(b)(b)

GE864

GE864----QUAD Automotive V2 Hardware User Guide

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QUAD Automotive V2 Hardware User Guide

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• The system antenna(s) used for this transmitter must be installed to provide a

separation distance of at least 20 cm from all the persons and must not be colocated or operating in conjunction with any other antenna or transmitter.

• The system antenna(s) used for this module must not exceed 1.4dBi (850MHz)

and 3.0dBi (1900MHz) for mobile and fixed or mobile operating configurations.

• Users and installers must be provided with antenna installation instructions and

transmitter operating conditions for satisfying RF exposure compliance.

Manufacturers of mobile, fixed or portable devices incorporating this module are advised to clarify any regulatory questions and to have their complete product tested and approved for FCC compliance.

GE864

GE864----QUAD Automotive V2 Hardware User Guide

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16. SAFETY RECOMMANDATIONS

READ CAREFULLY

READ CAREFULLYREAD 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:

• Where it can interfere with other electronic devices in environments such as

hospitals, airports, aircrafts, etc

• Where there is risk of explosion such as gasoline stations, oil refineries, etc

It is 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 is 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 system integrator has to assess the final product against the SAR regulation EN 50360.

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GE864----QUAD Automotive V2 Hardware User Guide

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QUAD Automotive V2 Hardware User Guide

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The European Community provides some Directives for the electronic equipments introduced on the market. All the relevant information’s are available on the European Community website:

http://europa.eu.int/comm/enterprise/rtte/dir99-5.htm

The text of the Directive 99/05 regarding telecommunication equipments is available, while the applicable Directives (Low Voltage and EMC) are available at:

http://europa.eu.int/comm/enterprise/electr_equipment/index_en.htm

Telit Communications S p A GE864QA2B User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual