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LZT 123 1836

22

Integrating the Wireless
Modem

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Summary of Contents for GS64

Page 1: ...GS64 GSM GPRS Modem Integrators Manual...

Page 2: ...cluding photocopying and recording without the prior written consent of Sony Ericsson Mobile Communications International the copyright holder First Edition March 2006 Sony Ericsson Mobile Communicati...

Page 3: ...2 SHORT MESSAGE SERVICE 14 2 3 3 VOICE CALLS 14 2 3 4 DATA 14 2 3 5 GPRS MULTI SLOT SUPPORT 15 2 3 6 SIM CARD 15 2 3 7 POWER CONSUMPTION 15 2 3 8 OTHER FEATURES 16 2 4 SERVICE AND SUPPORT 16 2 4 1 WEB...

Page 4: ...RENCE VREF 36 5 7 BATTERY CHARGING INPUT CHG_IN 37 5 7 1 CHARGING PROCESS 38 5 7 2 SERIES DIODE 39 5 7 3 BATTERY SELECTION 39 5 8 POWERING THE MODULE ON AND OFF PON_L PON_H 43 5 8 1 VREF AS A POWER IN...

Page 5: ...SIM CARD INTERFACE 59 5 11 7 SIM DETECTION SIMDET 60 5 12 SYNCHRONOUS SERIAL PORT SSP INTERFACE TO BE IMPLEMENTED IN A FUTURE RELEASE 60 5 13 MEMORY CARD INTERFACE SD MMC TO BE IMPLEMENTED IN A FUTUR...

Page 6: ...HOW TO INSTALL THE WIRELESS MODEM 79 7 4 2 1 POWER SUPPLY 79 7 4 2 2 GROUNDS 79 7 4 2 3 AUDIO 79 7 4 2 4 SOFTWARE UPGRADE 79 7 5 ANTENNA 80 7 5 1 GENERAL 80 7 5 2 ANTENNA TYPE 80 7 5 3 ANTENNA PLACEM...

Page 7: ...LZT 123 1836 7 10 4 SIM CARD 87 10 5 ENVIRONMENTAL SPECIFICATION 88 11 Regulatory Notices 90 12 Introduction to the Universal Developer s Kit 92...

Page 8: ...LZT 123 1836 8 Overview...

Page 9: ...following GSM networking Wireless communication and antennas aerials AT commands ITU T standard V 24 V 28 Micro controllers and programming Electronic hardware design 1 3 Manual Structure The manual...

Page 10: ...ded it draws the readers attention to the need for understanding care or watchfulness in relation to the information provided Warning Notes marked warning must be heeded they alert readers to precauti...

Page 11: ...micro controller and a wireless modem in which the micro controller sends AT commands to the wireless modem via an RS232 communications link 2 2 Wireless modems in a Communication System Figure 2 2 1...

Page 12: ...SE COMMAND CONTROL EMBEDDED APPLICATION MS GSM NETWORK Figure 2 2 1 Main Blocks in a Wireless System embedded application SIM SIM GSM ENGINE GSM ENGINE DCE DCE DTE DTE SYSTEM INTERFACE STATUS RESPONSE...

Page 13: ...commands are supplemented by Sony Ericsson specific commands To find out how to work with AT commands see the AT Commands Manual 2 3 Features The wireless modem performs a set of telecom services TS...

Page 14: ...e capability of MO mobile originated and MT mobile terminated voice calls as well as supporting emergency calls Multi party call waiting and call divert features are available Some of these features a...

Page 15: ...nology is supported Older 5V SIM technology is not supported A mechanical variant of the GS64 also supports an on card SIM For dual SIM support automated SIM switching is available Only one SIM is act...

Page 16: ...g accessories and components local contact details for customer support in your region FAQs frequently asked questions documentation related to integrating the module including application notes desig...

Page 17: ...f their choice and provide a computer or micro controller The AT command manual provides the necessary command and control reference to drive the module 2 5 Precautions The wireless modems are ESD pro...

Page 18: ...the area above a vehicle s air bag Do not attempt to disassemble the product only Sony Ericsson authorized personnel should perform servicing 2 6 2 Radio Frequency RF exposure and SAR Your wireless mo...

Page 19: ...yericsson com 2 6 3 Personal Medical Devices Wireless modem devices may affect the operation of cardiac pacemakers hearing aids and certain other implanted equipment If a minimum distance of 15 cm 6 i...

Page 20: ...anced Full Rate EMC Electro Magnetic Compatibility ETSI European Telecommunication Standards Institute FR Full Rate GPRS General Packet Radio Service GPS Global Positioning System GSM Global System fo...

Page 21: ...col Data Unit RF Radio Frequency RFU Reserved for Future Use RLP Radio Link Protocol RTC Real Time Clock SDP Service Discovery Protocol SIM Subscriber Identity Module SMS Short Message Service TCP Tra...

Page 22: ...LZT 123 1836 22 Integrating the Wireless Modem...

Page 23: ...tin coated steel ASI 1008 1010 covers that meet the environmental and EMC requirements system connector wireless modem shielded circuits antenna connector system connector wireless modem shielded circ...

Page 24: ...so an option for the integrated SIM holder variant The GS64 variant without an integrated SIM holder has no components mounted on the top side The System Connector is a 100 pin narrow 0 5 mm pitch typ...

Page 25: ...LZT 123 1836 25 4 2 Physical Dimensions Figure 4 2 1 Dimensions of the Wireless modem Integrated SIM variant Measurements are given in millimeters See also Technical Data in Section 10...

Page 26: ...oard to board connectivity Figure 5 1 1 below shows the numbering of the connector pins Pin 100 Pin 99 Pin 2 Pin 1 Pin 100 Pin 99 Pin 2 Pin 1 Figure 5 1 1 Wireless modem viewed from underneath A matin...

Page 27: ...ard reset signal Yes1 16 SIMCLK Output SIM card clock signal Yes1 17 SIMDAT In Out SIM card data Yes1 18 SIMDET Input SIM presence detection Yes1 19 Reserved 20 SERVICE Input Flash programming enable...

Page 28: ...ART1 57 RTS1 Input Ready To Send UART1 Yes5 58 CTS1 Output Clear To Send UART1 Yes5 59 DTM1 Input Data To Module from host UART1 Yes4 60 DFM1 Output Data From Module to host UART1 Yes4 61 RTS2 Input R...

Page 29: ...tput Keyboard row 2 90 KEYCOL3 Output Keyboard row 3 91 KEYCOL4 Output Keyboard row 4 92 AUXIP Input Aux audio to module from host pos 93 AUXIN Input Aux audio to module from host neg 94 AUXOP Output...

Page 30: ...he host application you should terminate them in the following manner Table 5 2 1 Unused Pin Termination Pin Name Unused pins 1 3 5 7 9 11 GND Must be connected 2 4 6 8 10 12 VCC Must be connected 27...

Page 31: ...rical characteristics for 1 8V IO signals are shown in Table 5 3 1 Table 5 3 1 1 8V IO Characteristics Parameter Min Typ Max Unit Input Voltage Low VIL 0 3 0 45 V Input Voltage High VIH 1 16 VREF 0 3...

Page 32: ...AREF and GND are connected at a single point inside the wireless modem however they must not be joined together in the user application 5 4 1 Analogue Ground AREF AREF is the return signal or analogue...

Page 33: ...l signals radio section power and is also the DC return for the power supply VCC User application circuitry should connect all GND pins together in order to carry the high current drawn by the wireles...

Page 34: ...Parameter Mode Limit Nominal 3 6 V Min 3 2 V Max 4 5 V Absolute maximum limit 0 3V to 6 5V VCC Supply voltage Maximum supply ripple 100mV 200kHz 20mV 200kHz Maximum allowable voltage drop Transmissio...

Page 35: ...th an ESR 100 m Ensure power supply to wireless modem line resistance is 200 m The module has approximately 40 F of internal capacitance across the VCC pins During initial power up the host power supp...

Page 36: ...ost side device The VREF reference may be used by legacy users or users of different interface voltage technology to implement level shifter circuits through which IO signals can be safely interconnec...

Page 37: ...h develop charging algorithms and control through the Sony Ericsson M2mpower Embedded Applications Users wishing to attempt charging of battery types not supported by the standard type indicated in th...

Page 38: ...tions from draining the battery A small typ 10 F capacitor should be placed close to the CHG_IN pin In the application shown a conditioning phase slowly raises the voltage of a deeply discharged cell...

Page 39: ...charge management block in the GS64 power management ASIC will malfunction or fail which could lead to over charging of the battery It is strongly recommended that any battery chosen for use with you...

Page 40: ...y prove to be useful in the selection process and implementation Li Ion batteries marketed for cellular mobile phone use may make a good choice battery manufacturers with heritage in supplying the cel...

Page 41: ...llowing rule of thumb can be applied Standby time Battery Capacity mAh Idle current mA Call time voice or data Battery Capacity mAh Call current mA Example 1 Standby time A 600mAh rated Li Ion battery...

Page 42: ...keeping monitoring and status tasks 110mA and sleeps 2 1mA during the intervening periods an 1800mAh rated Li Ion battery fully charged would typically provide 1800 0 95 0 5hr 320 0 2hr 110 23 3hr 2 1...

Page 43: ...ntains it constantly high during normal use A subsequent de assertion marked by a transition of PON_H from high to low and then maintaining the signal low will initiate the power off process Only one...

Page 44: ...nce indicates a successful power on initialization D PON_L is pulled low by the user application initiating a power off sequence E VREF absence indicates network de registration and shut down complete...

Page 45: ...ulled to ground Once PON_L has been held low for 125ms denoted by t1 the primary LDOs power up including the VREF output VREF exceeds it s reset threshold approx 500 s later then 250ms afterwards deno...

Page 46: ...the shut down event If the module is registered on a GSM network the de registration process will complete this may last between 3 to 30 seconds The power latch PWR_KEEP is released and approximately...

Page 47: ...T 123 1836 47 Parameter Conditions Min Typ Max Unit Input low 0V VCC 3 6V 60 25 12 A PON_L Input high VCC VCC 3 6V 0 1 A Input low 0V VCC 3 6V 1 0 A Input current PON_H Input high VCC VCC 3 6V 8 20 60...

Page 48: ...ue audio can be used for various configurations including a car kit mode portable hands free and speakerphone with an additional output gain stage Five audio profiles are available for GS64 users to c...

Page 49: ...t max input gain 142 158 178 mVrms Input voltage full scale min input gain 447 501 564 mVrms Frequency response 3dB cut off 300 3400 Hz Output dc bias level 2 16 2 4 2 64 V AC coupling capacitance 1 F...

Page 50: ...s modem The input low noise amplifier stage is constructed out of standard low noise op amps External resistors set the gain of this stage The input gain is scaled by the input resistors to be around...

Page 51: ...k 67 PCMFS In Out Serial PCM frame synchronization 68 PCMDTM Input Serial PCM data to module from host 69 PCMDFM Output Serial PCM data from module to host The SSP Synchronous Serial Port digital inte...

Page 52: ...5 10 1 Typical 16 bit PCM Voice Sample Word Format Typical PCM data transfer is shown in the following figures MSB MSB LSB LSB SSPCLK SSPFS SSPDFM SSPDTM Q Q MSB MSB LSB LSB SSPCLK SSPFS SSPDFM SSPDTM...

Page 53: ...omponent of this interface Its intended use is that of the primary command AT interface UART2 behaves as a general purpose serial data link It can be used for data logging and de bugging purposes It c...

Page 54: ...terface IC such as the Maxim Integrated Products MAX3237 The relationship between the levels is shown in the table below DTM DFM RI RTS CTS DSR DTM DCD RS232 level GS64 level 1 OFF 3V VREF 0 4V 0 ON 3...

Page 55: ...nd CTS provide a hardware flow control mechanism 5 11 3 2 Request to Send RTS1 RTS is used to condition the DCE for data transmission The default level is high by internal pull up The application must...

Page 56: ...D1 DCD indicates that the DCE is receiving a valid carrier data signal when low Behavior is controlled using the AT C command 5 11 3 7 Ring Indicator RI RI indicates that a ringing signal is being rec...

Page 57: ...baud 5 11 4 1 Transmitted Data DTM2 DTM2 is used by the application to send data to the wireless modem via UART2 It has the same electrical characteristics the equivalent signal in UART1 5 11 4 2 Rec...

Page 58: ...byte logical 2240 byte physical for dual packet mode shared FIFO storage allow a wide variety of configurations Dual packet mode of FIFOs reduces latency USB reset can be programmed to clear device ad...

Page 59: ...em is 70cm SIM holders placed further than this distance may not meet the SIM interface performance specification This SIM interface allows the use of 3 V and 1 8 V SIM cards The module does not suppo...

Page 60: ...ements the SIMDET function must be implemented in the host application 5 12 Synchronous Serial Port SSP Interface to be implemented in a future release Pin Name Direction Function 70 SSPCLK In Out SPI...

Page 61: ...The SD MMC interface provides around 800kbps net throughput The SD MMC interface like all IO in the module is 1 8V In order to interface to some SD MMC devices based on 3V technology it is necessary t...

Page 62: ...pology Multimedia cards and secure digital memory cards can be used in the same system The power supply can be provided by the host or level shifter devices such as Agere s PSC2217 The following signa...

Page 63: ...he LED driver interface is able to operate single LEDs or a series of LEDs such as LED backlighting The LED interfaces are driven by programmable current sources designed to control the brightness of...

Page 64: ...LZT 123 1836 64 Figure 5 15 1 Typical circuit for LEDs...

Page 65: ...Alternate function 74 GPIO10 MMCCLK SD MMC card clock 75 GPIO11 MMCCMD SD MMC card command 76 GPIO12 MMCDAT0 SD MMC card data 77 GPIO13 MMCDAT1 SD MMC card data 78 GPIO14 MMCDAT2 SD MMC card data 79 G...

Page 66: ...Configurable IO table which are not being used for the indicated alternative function be used as general purpose inputs or outputs they are not constrained to work in only one direction GPIO has a num...

Page 67: ...t generation occurs in the key press detection process Pins that are not needed for the keyboard can be used as programmable IO as described in section 0 The default keyboard configuration is shown in...

Page 68: ...ical sampling rate to around 12ksps Table 5 18 1 ADC Interface Characteristics Parameter Condition Min Typ Max Unit Resolution 10 bit Coding Unsigned Magnitude 000 3FF Hex Differential Nonlinearity 1...

Page 69: ...period that increments a 29 bit seconds counter In addition it can generate interrupts at a programmed time The following are the features of RTC 17 year time interval with 1 second resolution Program...

Page 70: ...s reverse current protection with low leakage when the coin cell is powering the RTC block The RTC LDO is primarily designed to charge manganese silicon lithium batteries Rechargeable coin cells with...

Page 71: ...20 2 1 ALARM Output from the Module The ALARM time is set by the use of an AT command The output is normally at VRTC level and will go low for one second when the ALARM becomes active Since the VRTC...

Page 72: ...ign the circuitry to operate down to 0 7V 5 20 3 ALARM Utilization as a Wake up The ALARM output can be used by the host application to wake up from standby or hibernation mode but it can also be used...

Page 73: ...nted in a future release Pin Name Direction Function 52 BUZZER Output Buzzer output Connecting the BUZZER signal to an inverting transistor buffer followed by a piezoelectric transducer enables the wi...

Page 74: ...is a micro miniature coaxial WFL surface mounted component Suitable WFL type mating plug are available from the following manufacturers Hirose The nominal impedance of the antenna interface is 50 ohm...

Page 75: ...sponsible for observing your country s safety standards and where applicable the relevant wiring rules Never use the wireless modem at a gas station refueling point blasting area or in any other envir...

Page 76: ...e SIM card is installed or uninstalled When the SIM card holder is opened the SIM card connections lie exposed under the SIM card holder CAUTION Do not touch these connections Failure to heed this adv...

Page 77: ...on Even if SAR measurements are not required it is considered good practice to insert a warning in any manual produced indicating it is a radio product and that care should be taken 7 4 Installation o...

Page 78: ...e final integrated system Incorrectly designed or installed external components may cause radiation limits to be exceeded For instance improperly made connections or improperly installed antennas can...

Page 79: ...rtest low impedance path possible The purpose of this connection is to allow any ESD picked up by the antenna to bypass the wireless modem s internal ground path Note It is recommended that you use a...

Page 80: ...ld also determine whether the antenna needs to be grounded or not Usually a local antenna manufacturer should be able to design a special antenna suitable for the integrators application and environme...

Page 81: ...connectors frequency range up to at least 2 GHz to avoid RF losses Ensure that the antenna cable is as short as possible The effectiveness of the antenna cable and connectors is determined by their q...

Page 82: ...is a sudden decrease or increase in the signal strength This is the result of interference caused when direct and reflected signals reach the antenna simultaneously Surfaces such as buildings streets...

Page 83: ...ripts in the scripting language and TBD of operating RAM Structures included in this language are If then else statements While loops For loops All hardware interfaces that are normally available to t...

Page 84: ...so that the wireless modem interpreter can function correctly 8 2 2 M2mpower IDE Integrated Development Environment The IDE is a Windows based package which allows the user to write simulate debug an...

Page 85: ...ugh AT commands 9 1 Implementation The following types of commands allow various functions Open closing IP connection Negotiates closes a dynamic IP address with the web server Send Receive TCP packet...

Page 86: ...e 4 2 1 Dimensions of the Wireless modem for reference to mechanical features Mechanical Feature Variant Value Length 37 mm Width 30 mm without SIM holder 2 67 mm Thickness see illustration below with...

Page 87: ...o the device These are absolute stress ratings only Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data...

Page 88: ...n storage Temp high max storage 6 min dwell at each extreme 0 5 to 3 min transition Duration 30 cycles Group 2 3 IEC 60068 2 14 Moist Heat Cyclic Test Temp low nominal ambient Temp high max operating...

Page 89: ...om Vibration Power Spectral Density 5 Hz 0 10 m2 s3 12 Hz 2 20 m2 s3 20 Hz 2 20 m2 s3 200 Hz 0 04 m2 s3 500 Hz 0 04 m2 s3 Duration 2 hrs each axis Axis 3 axis x y z per device IEC 60068 2 34 Mechanica...

Page 90: ...t fulfils the requirements according to 3GPP TS 51 010 1 EN 301 489 7 and EN60950 This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device...

Page 91: ...LZT 123 1836 91 Developers Kit...

Page 92: ...daptor board where necessary Connectors switches jumpers and SIM card holder are provided to allow you to configure and access all the functions of the radio device Two version of the UDK exists the f...

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