Telit Wireless Solutions EVK2 User Manual

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eTelit EVK2 User Guide for GC868-DUAL

1vv0300803 Rev.1- May 2009

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Page 1 EVK2 User Guide for GC868-DUAL 1vv0300803 Rev.1- May 2009...
Page 2 GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 This document is relating to the following product: Model GSM Engine EVK2 3 990 150 463 GC868-DUAL Interface 3 990 250 719 Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved...
Page 3: Table Of Contents
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 Contents Overview ........................7 Generality ........................8 Content of the kit ......................9 Description ......................10 PCB characteristics..................... 11 Mechanical characteristics of the assembled PCBs..........11 3.2.1 Mother Board CS1139B ....................11 3.2.2 GC868-DUAL Interface CS1364 ..................12...
Page 4 GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 10.3 Warning ........................27 10.3.1 Coil impedance .........................27 10.3.2 Earpiece..........................27 10.3.3 Speaker ..........................27 Audio Accessories ....................28 11.1 Headset......................... 28 11.2 Stand-alone microphone .................... 29 11.3 Speaker......................... 29 Indication and services ..................30 12.1...
Page 5 1vv0300803 Rev.1- May 2009 Service and firmware update ................49 SAFETY RECOMMENDATIONS ................50 RoHS Certifications ..................... 52 20.1 EVK2 Mother Board p/n 3990150463 ................. 52 20.2 GC868-DUAL Interface p/n 3990250719..............53 Technical Support ....................54 Document Change Log ..................55 Reproduction forbidden without Telit Communications S.p.A.
Page 6 GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 DISCLAIMER 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.
Page 7: Overview
Aim of this document is the handling description of the developer’s Evaluation KIT second edition, a laboratory tool named EVK2 in the rest of this document. All given information shall be used as a guide and a starting point for properly developing of your product.
Page 8: Generality
1vv0300803 Rev.1- May 2009 2 Generality Telit supplies the EVK2 to assist the designer during his developing project phase to develop his own applications based on Telit modules. The EVK2 provides a fully functional solution for a complete data/phone application.
Page 9: Content Of The Kit
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 Content of the kit Please check out the content of your EVK2 kit; if any of the items is missing, please contact your supplier. Description Quantity EVK2 MOTHERBOARD INFORMATION NOTE 2 PIN JUMPER FEMALE CONN...
Page 10: Description
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 3 Description The motherboard CS1139B can be split into several functional blocks depending on the implemented function; the following drawings show a block diagram and the displacement of the main blocks on motherboard.
Page 11: Pcb Characteristics
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 CS1139B +(5-40)V STEP DOWN CONVERTER MODULE INTERFACE CONNECTORS +(5-40)V CURRENT LIMITER +3.8V CHARGER ON SERIAL PORTS AUDIO LINES SELECTION SELECTION RS232 AUDIO 1 RS232 CHARGER AUDIO 2 STACKED STATUS CHARGE AUDIO RS232...
Page 12: Gc868-Dual Interface Cs1364
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 3.2.2 GC868-DUAL Interface CS1364 Length 78.74 Width 66.04 Height 18.0 Weight 29.3 gr (without the module) Note: The overall height for every combination (mother board+interface board) is still the height of the mother board Reproduction forbidden without Telit Communications S.p.A.
Page 13: Startup Procedure
When you use USB port, it is very important to respect the following sequences: start first turning ON your EVK2 and then connecting it to your PC ; stop first disconnecting your PC and then turning OFF your EVK2 .
Page 14: Insertion Of The Interface Boards
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 5 Insertion of the Interface Boards Every Interface Board must be inserted on CS1139B paying great attention to match the position of the main connectors; this has been made easy: optically by a triangle drawn on both printed circuits (except CS1231X) ;...
Page 15: Power Supply Setting
1vv0300803 Rev.1- May 2009 6 Power supply setting The EVK2 could be powered by different external sources, only one at time. The requested setting is made inserting the proper jumper connectors in the right position as described in the following paragraphs.
Page 16: Variable Dc Source
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 Variable DC source ≥ Connect a + (5÷40) V / variable DC source to PL102 (by wires) or to SO101 (by coaxial plug), with care to the polarities. Short pin1& pin2-PL104 and pin1& pin2-PL105 by inserting 2 contacts jumper connectors.
Page 17: Coaxial Plug
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 6.2.2 Coaxial Plug The figure 7 shows the connections of the Power Plug of left part of figure 6. inner contact outer contact powerjck.skd Figure 7: Coaxial “Power Plug” connection. Li-Ion Battery pack and Charger(Not...
Page 18: Serial Interface
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 7 Serial interface The following figure shows the architecture of the serial ports. SO301 Upper U303 AT commands PROGRAM on/off 3V LDO U506 +3,7V U304 SO301 NMEA (GM862-GPS) Lower SO301 U503 USB(0)
Page 19: Serial Port Setup
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 Serial Port Setup Communications between your application and the Telit modules are allowed connecting the DTE to the Asynchronous Serial Interfaces of Base-Band Chip, ASC0 and ASC1, through the stacked standard RS232 communications port (...
Page 20: Audio Section
8.1.2 Actual The HS and HF definitions have been kept in the Software and on the schematics of theTelit modules. But with EVK2 we will refer to Audio1 or Audio2 section instead of Handset and Handsfree respectively, remembering that: •...
Page 21: The Choice
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 8.1.3 The choice The activation of the audio path is made Software by AT#CAP command. If you don’t have any load driving constraint ( ), the like a speaker with an impedance coil lower than 16Ω...
Page 22: Settings
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 • No output blocking capacitor is needed Even if the differential outputs are biased at half-supply; no DC voltage exists across the load. You do not need the big, expensive and heavy blocking...
Page 23: Af Amplifiers Setting
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 9 AF Amplifiers Setting The Base Band Processor Audio Amplifiers selection is made short-circuiting PL403&PL402 ) or PL403&PL404 ( ). In such a way you could verify the complete RX Amplifier 1 RX Amplifier 2 performance of both audio paths.
Page 24: Audio Outputs
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 10 Audio outputs The EVK2 output audio signals could be drive a device connected to SO401 ( LOW AF POWER ) or to PL401 ( mode HIGH AF POWER mode 10.1 Low AF Power Mode...
Page 25: Audio Connector
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 10.1.1 Audio connector Earpiece Common GND MIC + Figure 15: Audio Plug Pin-out 10.2 High AF Power Mode Connecting an 8Ω Speaker to PL401 by a 2 contacts female connector, you could drive it through the 500mW Power Amplifier.
Page 26: Speaker And Stand-Alone Microphone
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 10.2.1 Speaker and Stand-alone Microphone If you are using a Speaker, you can connect a stand-alone electrete microphone by a coaxial 2,5mm plug to SO401, respecting the following pin-out. 1= MIC + 2= N.C.
Page 27: Speaker Plus Headset
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 10.2.2 Speaker plus Headset If you have chosen to connect the Speaker to HIGH AF POWER output, without having a stand-alone electret microphone, it is also possible to connect a standard off-the-shelf Headset to SO401 without any problem, as shown in the figure 18: the AF output signal will be heard on both Speaker and Earpiece.
Page 28: Audio Accessories
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 11 Audio Accessories The following tables show the suggested specification to obtain the best performance from off- the-shelf accessories. 11.1 Headset Nominal sensitivity -45dBV /1Pa (+/- 3dB) Line coupling Nominal Voltage Range of Using Voltage (1÷10)V...
Page 29: Stand-Alone Microphone
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 11.2 Stand-alone microphone Nominal sensitivity -45dBV /1Pa (+/- 3dB) Line coupling Nominal Voltage Range of Using Voltage (1÷10)V Consumption Current (150÷500 ) μA Impedance 2,2KΩ Signal to Noise Ratio 56dB /1KHz/1Pa /A curve...
Page 30: Indication And Services
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 12 Indication and services 12.1 Optical Indicators 12.1.1 Status Led It is a debug aid that shows information on the network service availability and Call status. LED status Device Status Permanently off...
Page 31: Switches
You turn On/Off the EVK2 by push button. 12.2.1 POWER ON Switch Pressing for at least 2 seconds the Power ON SWITCH, you turn On/Off the whole EVK2 and the Telit module in use: the STAT_LED starts to slowly blink (...
Page 32: Connectors Pinout
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 13 Connectors pinout 13.1 Motherboard to Module The connections between CS1139B and every Telit module Interface Board are made through 2x 40contacts male connectors. Theirs pin functions are listed in the following tables.
Page 33 GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 DC voltage Power DC voltage Power EAR_HF+ AC Out Voltage Audio EAR_MT- AC Out Voltage Audio EAR_HF- AC Out Voltage Audio EAR_MT+ AC Out Voltage Audio DC voltage INT/EXT Switching MIC_HF- AC In Voltage...
Page 34 GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 SIMIO 3V Only SIM Data I/O SIMCLK Digital Signal SIM Clock SIMRST DC voltage SIM Reset SIMVCC DC voltage SIM Power SIMIN DC voltage SIM inside detector DC voltage Power DC voltage...
Page 35: Module Interface Boards
14 Module Interface Boards 14.1 Generality You can use your EVK2 with GC868-DUAL Telit modules fitted on its own Interface Board; all connections are made through 2x40 contacts connectors. It’s possible to use these Interface Boards also in stand-alone mode, inserting the “not mounted”...
Page 36: Interface Connectors
• 2 female connectors (40 pins each one: SO101, SO102), to connect the interface to the EVK2 mother board circuits (power supply lines, serial in/out lines, audio in/out lines). 14.6 Content of the kit Please check out the contents of your interface kit; if any of the items is missing, please contact your supplier.
Page 37: Antenna Connectors
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 14.8 ANTENNA connectors 14.8.1 ANTENNA connector There is the connector in the module for both RF test and antenna connection. Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved...
Page 38: Gc868-Dual Interface
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 15 GC868-DUAL Interface This board allows easily interfacing the module with the EVK2 and testing its functionalities; any version of GC868-DUAL can be inserted. No settings are needed. Figure 32. GC868-DUAL Interface Board Reproduction forbidden without Telit Communications S.p.A.
Page 39: Stand-Alone Setup
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 15.1 Stand-alone setup If you need to use the interface out of EVK2 ( ) you have to mount the following Stand-alone setup missing components: • the SIMCARD Holder ; • the ON Button ;...
Page 40: Gpio Ports
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 16 GPIO ports A certain number of GPIO ports ( ) are available on every Telit General Purpose Input/Output Module Interface Board, giving you the possibility to drive digital devices and report their own status.
Page 41: Schematics
1vv0300803 Rev.1- May 2009 17 SCHEMATICS In the following paragraphs the user can find the schematics related to all EVK2 boards, therefore to the Mother Board, to the Interface Boards and to the Extension Boards. Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved...
Page 42: Evk2 Mother Board
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 17.1 EVK2 Mother Board Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 42 of 55...
Page 47: Gc868-Dual Interface Board
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 17.2 GC868-DUAL Interface board Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 47 of 55...
Page 49: Service And Firmware Update
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 18 Service and firmware update You can update the Telit Module firmware through the serial cables (RS232 or USB 1.1) used for the communication with a PC. The firmware update can be done with a specific software tool provided by Telit that runs on windows based PCs.
Page 50: Safety Recommendations
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 19 SAFETY RECOMMENDATIONS READ CAREFULLY Be sure the use of this product is allowed in the country and in the environment required. The use of this product may be dangerous and has to be avoided in the following areas:...
Page 51 GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 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 Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved...
Page 52: Rohs Certifications
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 20 RoHS Certifications 20.1 EVK2 Mother Board p/n 3990150463 Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 52 of 55...
Page 53: Gc868-Dual Interface P/N 3990250719
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 20.2 GC868-DUAL Interface p/n 3990250719 Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 53 of 55...
Page 54: Technical Support
1vv0300803 Rev.1- May 2009 21 Technical Support Telit Communications S.p.A. technical support to EVK2 customer is included into official Website www.telit.com, which contains also all available technical documentation to download. Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved...
Page 55: Document Change Log
GC868-DUAL EVK2 User Guide 1vv0300803 Rev.1- May 2009 22 Document Change Log Revision Date Changes Rev 0 April 2009 First issue Rev 1 May 2009 Removed charger function Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved...

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