Telit Wireless Solutions GC864-QUAD-C2 Manuale di installazione

GC864-QUAD-C2 / PY-C2

Hardware User Guide

GC864-QUAD-C2 and GC864-PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

This document is relating to the following products:

Model P/N

GC864-QUAD-C2

GC864-PY-C2

3990250681

3990250686

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

Contents

1Overview.........................................................................................................................................5

2Mechanical Dimensions..............................................................................................................6

3Board to Board connector PINOUT connections ......................................................................7

4Hardware Commands....................................................................................................................9

4.1 Turning ON the GC864-C2 .....................................................................................................9

4.2 Turning OFF the GC864-C2 .................................................................................................11

4.2.1 Hardware shutdown....................................................................................................................... 11

4.2.2 Hardware Unconditional Restart.................................................................................................... 11

5Power Supply...............................................................................................................................13

6General Design Rules..................................................................................................................14

7Antenna ........................................................................................................................................15

8Serial Port.....................................................................................................................................16

9VAUX1 power output...................................................................................................................17

10 Audio Section Overview..............................................................................................................18

10.1 Audio Lines Characteristics ............................................................................................19

10.1.1 Microphone Paths Characteristic................................................................................................... 19

10.1.2 Ear Paths Characteristics .............................................................................................................. 19

10.2 Microphone Biasing..........................................................................................................20

10.2.1 On-board default biasing ............................................................................................................... 20

10.2.2 External biasing network................................................................................................................ 21

10.3 EVK2: the Evaluation Kit for Telit Modules ....................................................................21

11 SIM Design Guides ......................................................................................................................22

12 General Purpose I/O ....................................................................................................................23

13 DAC and ADC section .................................................................................................................24

14 Conformity Assessment Issues .................................................................................................25

15 SAFETY RECOMMANDATIONS..................................................................................................26

16 Document Change Log ...............................................................................................................27

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

DISCLAIMER

The information contained in this document is proprietary information of Telit Communications S.p.A.

Telit Communications S.p.A. makes every effort to ensure the quality of the information it makes

available. Notwithstanding the foregoing, Telit Communications S.p.A. 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 Communications S.p.A. 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 Communications S.p.A. reserves the right to make modifications, additions and deletions to this

document at any time and without notice.

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

1 Overview

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

product with the Telit GC864-C2 module.

In this document all the basic functions of a mobile phone 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 GC864-C2 module.

For further hardware details that may not be explained in this document refer to the Telit GC864-C2

Product Description document where all the hardware information is reported.

NOTICE

GC864-C2

GC864

GC864-C2

GC864

GC864-C2

The information presented in this document is believed to be accurate and reliable. However, no responsibility is

assumed by Telit Communication 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

Communication S.p.A. other than for circuitry embodied in Telit products. This document is subject to change

without notice.

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

2 Mechanical Dimensions

The Telit GC864-C2 module overall dimension are:

• Length: 50 mm

• Width: 33 mm

• Thickness: 5.6 mm

• Weight: 14gr

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

3 Board to Board connector PINOUT

connections

Pin Signal Type Function

1 VBATT DC voltage Power

2 GND DC voltage Power

3 VBATT DC voltage Power

4 GND DC voltage Power

5 VBATT DC voltage Power

6 GND DC voltage Power

7 VBATT DC voltage Power

8 GND DC voltage Power

9 VBATT DC voltage Power

10 GND DC voltage Power

11 VBATT DC voltage Power

12 GND DC voltage Power

13 NC Don’t connect

14 ON_OFF* DC voltage Input command for switching power ON or OFF

15 SIMVCC DC voltage External SIM Power

16 SIMIN DC voltage External SIM inside detector

17 SIMRST DC voltage External SIM Reset

18 SIMIO 3V Only External SIM Data I/O

19 SIMCLK Digital Signal External SIM Clock

20 DAC_OUT Digital Output Digital/ Analog converter output

21 TGPIO_01 Digital In/Out General purpose

22 TGPIO_02/JDR Digital In/Out General purpose

23 TGPIO_03 Digital In/Out General purpose

24 TGPIO_04 Digital In/Out General purpose

25 VRTC DC voltage VRTC Backup capacitor

26 ADC_IN1 AC input Analog/Digital converter input

27 ADC_IN2 AC input Analog/Digital converter input

28 ADC_IN3 AC input Analog/Digital converter input

29 - - RESERVED

30 - - RESERVED

31 TGPIO_07/BUZZER Digital In/Out General purpose/Buzzer

32 OUT Digital Output General purpose

33 LED DC voltage Status indicator led

34 VAUX1 DC voltage Power output for external accessories

35 TGPIO_05/RFTXMON Digital In/Out General purpose

36 C125/RING Digital Output Output for Ring indicator signal (RI) to DTE

37 C108/DTR Digital Input Input for Data terminal ready signal (DTR) from DTE

38 C109/DCD Digital Output Output for Data carrier detect signal (DCD) to DTE

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

39 C105/RTS Digital Input Input for Request to send signal (RTS) from DTE

40 C106/CTS Digital Output Output for Clear to send signal (CTS) to DTE

41 C103/TXD Digital Input Serial data input (TXD) from DTE

42 C104/RXD Digital Output Serial data output to DTE

43 NC Don’t connect

44 NC Don’t connect

45 RX_Trace Digital Input RX Data for debug monitor

46 TX_Trace Digital Output TX Data for debug monitor

47 - - RESERVED

48 - - RESERVED

49 - - RESERVED

50 - - RESERVED

51 - - RESERVED

52 - - RESERVED

53 MIC_MT+ DEC Audio Input Handset microphone signal input; phase+,

54 MIC_MT- DEC Audio Input Handset microphone signal input; phase-,

55 EAR_MT+ Audio Output Handset earphone signal output, phase +

56 EAR_MT- Audio Output Handset earphone signal output, phase -

57 EAR_HF+ DEC Audio Output Handsfree ear output, phase +

58 - - RESERVED

59 MIC_HF+ DEC Audio Input Handsfree microphone input; phase +

60 ANALOG GND AC voltage

For more information about balls position and pinout of GE864

module, please refer to 1vv0300694 GE-864 Hardware User Guide

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

4 Hardware Commands

4.1 Turning ON the GC864-C2

To turn on the GC864-C2 the ON# line must be tied low for at least 1 second and then released.

The maximum current that can be drained from the ON# line is 0,1 mA.

A simple circuit to do it is:

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 GC864-C2 power regulator and improper power on/off of the module. The ON# line must

be connected only in open collector configuration.

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

ends with a "#" or with a bar over the name.

ON#

Power ON impulse

GND

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

For example:

1- Let's assume you need to drive the ON# line with a totem pole output of a +3/5 V microcontroller

(uP_OUT1):

2- Let's assume you need to drive directly the ON# line inserting the forecast ON/OFF button PL101:

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