9 - Maritex
Contents
1. interfacellinterface 20410 channel 2 2 Functions of Development Board 1 Power Interface The users can supply power to module development board in the following ways A Supply a 3 8 4 2V steady battery interface to the development board via pin JP5 JP5 interface defines as a standard lithium battery interface PIN1 is battery input VCCBAT PIN8 is battery voltage detection BATSENSE PIN5 is GND The power input like supply power for module through battery If you use this method the development board will be turned on when the users short circuit JP5 PIN2 4 and short circuit JP30 after inserting JP5 connector B Supply a 5 6V steady DC to the development board via pin JP20 which like supply power for module through charger If you use this method the development board will be turned on when the users place switch S0 to on and JP5 short circuit PIN4 6 default short circuit JP30 after inserting JP20 connector ZIE MG815 module development board EBV3 user guide Figure 2 2 The principle of part of power DC SWITCH _ ofr NC ay i VCHG_PHONEO lt L n lama 08 Fl FUSE rmm po Y OCEAT bi ATSENSE BATSENSE gt GND j VCHG_PHONEO JP5 If user s board has CPU MCU and our module you should advert to the order if module power first or power at the same time You should avoid module s internal CMOS chip lanch up that will lead to the module can t start Press reset bu2. module development board EBV3 user guide 3 Jumper Settings Figure 3 1 The sketch map of jumper Com USE Forter JP30 ezek DE 4 DSD JP2 JPs5 JP4 D20 GSE PowerSel YCHG Table 3 1 Jumper settings ampe Jumper modes Function explanation Connect ON OFF with GND used for GSM module JP5 pin1 3 5 Supply power PIN1 is power input PIN 3 is power detection PIN 5 is No supply power No supply power power Default JP5 pin2 4 6 Short circuit pin2 4 Supply power JP30 For reduce impedance arouse from the jumper in fact PCB has already short circuited but it s inefficacy IP Se ha lt a 14 ZTE MG815 module development board EBV3 user guide 4 Debugging and Testing Environment Debugging and testing environment is composed by development kit and PC Development kit contains development board module linear power typical output value is DC6V 1500m A standard 5 core serial port cable antenna RF connection cable handset earphone SIM UIM card is necessary to prepare The development board is used for power supply and signal output linear power for supplying necessary power to module 5V 7V via development board PC for inputting outputting AT commands from module via serial ports or USB interfaces Please refer to practical design scheme of development board for connecting structure 5 Debugging Steps Take CDMA module as an example 1 Insert module to development board connect power
3. 5 Use standard 9 core serial port cable to connect serial port 1 with PC insert module and antenna and then turn on the switch on the development board Type in AT and press enter on the keyboard if it responds OK the configuration has been successful You can use hyper terminal to test Figure 6 5 Ready to test AA Hyper Terminal File Edit View Call Transfer Help D 03 05 AT OF E Connected 0 00 13 Auto detect Auto detect 19 ZIE MG815 module development board EBV3 user guide 7 The bitmap of module development board Please refer to figure 7 1 for the bitmap of module Figure 7 1 Module s bitmap A HAURDE BL ayy 20
4. E MG815 module development board EBV3 user guide Tables Fable 3 1 JUMPEFSEHINQS cinnrri ion 14 ZIE MG815 module development board EBV3 user guide 1 Summary 1 1 Characteristics of Development Board MG815EBV3 development board is designed for debugging and testing based on ZTE CDMA and GSM modules The users can debug above types of modules provided by ZTE with this board Meanwhile considering the variety of modules we designed jumpers on the development board through which users could make the board work in different modes and therefore realize all the functions provided by the module 1 2 Function Chart Basic functions provided by development board power interface serial port UIM card interface audio interface LED indicator testing sites and so on Please refer to the functions chart Figure 1 1 Function chart testing sites LED indicator UIM card interface system interface UART channel audio channel 1 3 Relative Documents Module type selecting guide AT Command Manual for ZTE Corporation s MG815 Module AT Command Manual for ZTE Corporation s ME3000 Module MG815 Module Hardware Design User Manual CDMA GPRS module FAQ ZIE MG815 module development board EBV3 user guide 2 Function Illustration 2 1 Layout Figure 2 1 Layout UART 1 UART user Module testing interfece power mtertace i _ l qumper teste sites circuit cire wit
5. ZIE MG815 module development board EBV3 user guide Pamaraan ees rf 101101000101 9100010101101010010111011 spetti Oy tmnt af Pa ZIE MG815 module development board EBV3 user guide Copyright Statement Copyright 2008 by ZTE Corporation The copyright of this User Manual belongs to ZTE Corporation and under the protection of Copyright Law of the People s Republic of China and other relative laws No part of this publication may be excerpted reproduced translated or utilized in any form or by any means electronic or mechanical including photocopying and microfilm without prior written permission from ZTE Corporation Any violation behavior will be punished The information in the document is subject to change without notice At the same time we reserve the right to revise or recall the User Manual If there is anything unclear in this manual please contact us or our agent or seller V4 9 TY Feb 2008 ZIE MG815 module development board EBV3 user guide With strong technical force ZTE Corporation can provide COMA GPRS module customers with the following all around technical support 1 Provide complete technical documentation 2 Provide the development board used for R amp D test production after sales etc 3 Provide evaluations and technical diagnosis for principle diagram PCB test scenarios 4 Provide test environment ZTE Corporation provides customers with onsite supports and also you could g
6. e working correctly A Channel query AT SPEAKER SPEAKER 0 16 ZIE MG815 module development board EBV3 user guide OK B channel switch 1 earphone 0 handset AT SPEAKER 1 OK 6 Hyper Terminal Configuration 1 Create a new connection type in the name Figure 6 1 Create a new connection a New Connec Connection Description a Mew Connection Enter a name and choose an icon for the connecton Name PO Icon Disconnected Capture 2 Set up corresponding serial port Figure 6 2 Setup corresponding serial port Sa 111 Hyper Te Connect To Enter details for the phone number that you want to dial Countrw regioni ra 56 Area code Phone number Connect using NES Disconnected 17 LT Esp MG815 module development board EBV3 user guide 3 Configure serial port parameters baud rate communication format flow control and so on Figure 6 3 Configure serial port parameters 111 HyperTerminal File Edit View call Help D ap COM1 Properties Fort Settings Bits per second Data bits Parity Stop bits P n di_ M Flow control Transfer Restore Defaults C 4 Activate serial port Figure 6 4 Activate serial port AA HyperTerminal File Edit view Call Transfer Help D eg 2 A gt Connected 0 00 13 Auto detect Auto detect ROLL CAPS MoMo Conte 18 ZTEDH MG815 module development board EBV3 user guide
7. et supports through telephone website instant communication E mail etc The module website http module ztemt com cn provides the relevant industry information and module technical documentation The authorized module customers could download the latest technical documentation for our website If you have more requirements you could send an E mail to module zte com cn You can also call us at 0755 86140899 for more supports ZTE MG815 module development board EBV3 user guide Foreword Summary The corresponding product name to this document is ZTE CDMA and GSM modules It will be helpful for you to understand how to use the development board by referring this document Readers System designers Hardware engineers Software engineers Test engineers Brief This document introduces how to use the development board here is the index 1 summary Characteristics function chart and relevant technical A etteton resem avoepman ar Modification record Document version V1 0 2008 10 10 The first time to publish in the form NO On A W ZTE MG815 module development board EBV3 user guide Table of contents UE RR RR RO RO PIA 7 1 1 Characteristics of Development Board 7 ke FUNCOM VAAN iaia 7 1 3 Relative DOCUMENTS ie 7 CE A RA 8 24 ino amass nosonceeeeeene sasteuieersezaaceuceareceuueare cesses 8 2 2 Functions of Development Board ccccccecccceeeceesecceecceneec
8. euceceucecsucecsueeceeeeeseeeeseseesseseseneess 8 Ig Se ARR oaneedrnenbiesaunlathosestie EE EER S 14 Debugging and Testing ENVIFONMENT e 15 DEDUGdIAd SICP Sciare e 15 Hyper Terminal Configuration r e EN EEE ETE rA NEE iN TEE EE DEE EEN 17 The bitmap of module development board 20 ZIE MG815 module development board EBV3 user guide Table of figures FL UIC OO CIAL scrap ra 7 PIU 1 LAY OU ai 8 Figure 2 2 The principle of part Of poWer ei 9 Figure 2 3 The principle of reset and ON OFF CIFGU t 9 Figure 2 4 level transfer circuit iii 10 Figure 2 5 UIM SIM card interface Circuit ii 11 Figure 2 6 Handset interface CIFCUIt 12 Figure 2 7 earphone interface CIFCUIt 12 Figure 2 8 The principle of parts Of output circuit 12 Figure 2 9 The ketch map of LED ronisin liane 13 Figure 2 10 The ketch map of testing SITES ei 13 Figure 3 1 The sketch map Of jumper e 14 Figure 6 1 Create a new connection e 17 Figure 6 2 Setup corresponding serial port i 17 Figure 6 3 Configure serial port parameters 18 Figure 6 4 Activate serial port ii 18 FIQUIG 6 5 RCAAY TO WOT esee e AR I EO REENE EREN EN RAEES 19 Foure Module S Dania 20 ZI
9. g PA driver Figure 2 8 The principle of parts of output circuit 29PF C32 DIP12 JP3 12 ZIE MG815 module development board EBV3 user guide 6 LED Indicators Figure 2 9 The ketch map of LED Development board supply following LED to represent module s state software support is needed D4 Serial port 1 working state indicator will be turned on when serial port1 connect successfully D16 Serial port 2 working state indicator will be turned on when serial port2 connect successfully D8 Call incoming SMS indicator will be turned on when receive data D5 Network state indicator will wink when inspect carrier D7 module working state indicator will be turned on when module startup normally 2 85V output power D6 Development board power indicator will be turned on when development board power supply 3 8V main power normally D21 module ringing indicator will be turned on when ringing signal is low level 7 Testing Sites The module s 40 pin connector leads to 40 testing sites which are provided for users to conveniently test the module s working status The location number for test sites is X35 Testing sites figure and the name of main testing sites signal are as follows Figure 2 10 The ketch map of testing sites circuit out put RXD TXD V_MSMY 000006600000000000000 AGO HO000900000000000000090 RESRT ON OFF Signal o Cal 1Pdication SHS indication 13 ZIE MG815
10. ive port used for downloading RF parameter calibration and AT command interface UART1 s label is COM1 In most cases the users would debug the module only through UART1 Serial port 1 is always set as 8 line standard modem It is specially noted that if the users need to connect development board through serial port a standard serial port connection cable is required Otherwise it may cause serial port communication failure Luminescence diode D4 is used to indicate UART1 s state D4 light is used to indicate UART1 s connection is normal UART2 uses pins together with USB Furthermore these pins are mainly used for USB Actually development board supplies external interfaces UART2 and USB at the same time There are some jumpers fixed on the board the users can choose if serial port 2 or USB is available The location of jumpers relation to USB UART2 are D20 pin Com USB If short circuit pin Com short circuit pin 1 and pin 2 short circuit pin 4 and pin 5 short circuit pin 7 and pin 8 short circuit pin 11 and pin 12 that is enable serial port 2 If short circuit USB short circuit pin 2 and pin 3 short circuit pin 5 and pin 6 short circuit pin 8 and pin 9 short circuit pin 11 and pin 12 that is enable USB software support is needed please refer to jumper setting section for D20 details It is specially noted that UART2 only set 4 lines TXD RXD CTS RTS Luminescence diode D16 is used to indicate UART2 s state D16 light i
11. nsity at the location of antenna If RSSI is too low please check if there are some problems on the antenna Keep moving antenna to the direction to base station and query signal intensity periodically the RSSI should be rise up gradually Otherwise the connection between module and antenna must be wrong The environment of module working should basically be in gear after step 3 4 are finished You can 15 ZTE MG815 module development board EBV3 user guide test other functions by sending AT commands such as audio output call and response Please refer to COMA GPRS module AT command manual for details Convenient DEMO commands for testing working status of development board 1 After the board has been electrified for 5 6s the display will be A without SIM UIM card ZIND 8 ZIND 0 B with SIM UIM card ZIND 8 ZIND 1 Query ESN number of modules no card AT GSN GSN 698C4A4A if SIM UIM card and antenna has been planted you can input commands below A Query signal intensity check if there is enough network signal AT CSQ CSQ 20 99 OK B Query network time check if the right time could be captured AT CCLK CCLK 04 04 10 00 08 39 038 OK 4 input command below to dial A dial out ATD10010 OK ZCORG 10010 ZCCNT 0 3 B ring off ATH OK ZCEND 29 connect with handset and earphone input audio channel query and switch commands below to test if two audio channels ar
12. other for earphone 2 audio output channel one for handset and the other for earphone too The interface also defines line output used to support chord ring or voice output All these audio channels are extended from development board if the users want to test their functions they just need to connect corresponding external devices such as earphone handset etc Generally the first audio input output channel is used for handset it is differential interface HMIC is connect with MIC_1 HSPK is connect with SPK_1 Considering handsets interfaces maybe are different so the design supplies two scheme OldHandle and NewHandle development board default in initialization state In different actual condition user can choose whether to joint R46 52 s eight resistances to decide to use NewHandle scheme or other custom scheme Handset s site is X5 11 ZTE MG815 module development board EBV3 user guide Figure 2 6 Handset interface circuit ek andle AAT eC AAT RR 7 cal emi PESI ne EERE La ee The channel2 audio input output is used for earphone FSPIN is connect with SPK_2 FMIC is connect with module MIC_ 2 Note be careful to choose earphone socket prevent when insert earphone the audio and GND is short circuit The earphone s site is is X1 Figure 2 7 earphone interface circuit Only output testing pin is given for line output its site is JP3 it can be used through externally connectin
13. s used to indicate UART2 s connection is normal Module s output IO level is 2 9VTTL when it s connect with standard 3 3V or 5V logic circuit like RS232 driver chip MAX3238 etc it need level transfer Module s output pin is connect with MAX3238 chip in our development board and input pin is connect with MAX3238 through audion circuit in figure 2 4 Figure 2 4 level transfer circuit VCCMEM aa JART_ CTSA 3 USB interface Development board use MIC2550A interface chip to extend module s USB pin supply USB interface for exterior USB interface s site is F4 10 ZIE MG815 module development board EBV3 user guide Note module s USB pin and UART2 pin are in common use so when you use USB you need choose Jumper D20 short circuit USB pin Short circuit pin2 3 Short circuit pin5 6 Short circuit pin8 9 Short circuit pin11 12 4 SIM UIM Card Interfaces As a standard communication module this interface supports SIM and UIM at the same time Testing board supply UIM SIM card Because different card s data pin s output circuit is different so I O used 7 5K resistance pull up to VPP and the location number of card interface is S2 Note be careful to insert the UIM SIM card metal piece is face to underside jag is face to outside Figure 2 5 UIM SIM card interface circuit 5 Audio Channels External interface defines multiple audio channels including 2 audio input channels one for handset and the
14. serial port cable antenna handset earphone and SIM UIM card Then connect module with antenna through RF cable 2 Turn on power press S1 on off If the JP4 is short circuit neglect this step 3 Check current display Current in module itself should be 80 100MA when power on If current is too low please turn off power supply and check if connection between module and development board is correct 4 Open corresponding PC serial port setting parameters baud rate is 115200bps 8 data bit 1 stop bit no checkout install USB to serial port converter before communicating through USB interface if necessary Send AT CGMR through serial port to query software version response from module CGMR S W VER M6025A SBTW 3 1 30 ZDM1A4AAC0 110K indicates that software version is M6025A SBTW 3 1 30 ZDM1A4AAC0 110K If software version query is on the rails it makes out that the baseband portion of module works in the right way Otherwise the connection on board or UART USB interface must have some mistakes 5 Make sure that antenna can receive signals from base station through RF cable connecting module with antenna Send AT CSQ to query receiving signal s intensity RSSI and frame error rate FER response from module CSQ lt RSSI gt lt FER gt OK lt RSSI gt virtual value 0 31 meanings of SQM CRSSI are defined by manufacturer lt FER gt 99 return 99 if unknown RSSI value is determined by the signal inte
15. tton S3 on the development board to reset module This button controls RESET pin on module through a audion Please refer to MG815 Module Hardware Design User Manual for information of Idiographic requirements to control RESET pin on modules Figure 2 3 The principle of reset and ON OFF circuit lt MRES VCHG_PHONEO gt M_ON OFF gt POWERIN VCHG For the same reason modules can be started or shut down by pressing switch button press the button to shut down when it powers on press the button to run when it powers off One end of this switch is connected to ON OFF pin on module the other end connect with GND The module s ON OFF pin is used to pull up low level is valid Therefore ON OFF operation is completed through controlling ON OFF pin In addition if ON OFF the module through S1 you must disconnect JP4 default short circuit Because JP4 is connect the module s pin VCHG with 5 6VDC power When JP4 is short circuit the module will turn on automatically if switch on the power at this time S1 is inefficacy because even if ZIE MG815 module development board EBV3 user guide you press the S1 turn off the module will turn on at once Note At present if you want to start GSM module s ON OFF button you must press switch button S1 to start the module 2 Serial Port External connector could provide two serial ports among which UART1 must be provided externally through the testing board because it is an exclus
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