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Sony Ericsson GR 47 Technical Description

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GR 47/GR 48
Technical Description

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  • Page 1 GR 47/GR 48 Technical Description...
  • Page 2 Low Voltage directive 73/23/EEC. The product fulfils the requirements according to 3GPP TS 51.010-1, EN 301489-7 and EN60950. The information contained in this document is the proprietary information of Sony Ericsson Mobile Communications. 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 Sony Ericsson Mobile Communications, is strictly prohibited.

  • Page 3: Table Of Contents

    GR47/GR48 Technical description Contents INTRODUCTION ......................5 .......................5 VERVIEW .......................6 EATURES 1.2.1 Type of Mobile Station ..................6 1.2.2 SMS ........................7 1.2.3 Voice calls .......................7 1.2.4 Data ........................7 1.2.5 SIM Card ......................8 1.2.6 Power consumption ..................8 1.2.7 Other features ....................8 1.2.8 Development Kit....................8 ......................9 RECAUTIONS ......................9...
  • Page 4 GR47/GR48 Technical description 3.17.3 UART3/IO# ....................37 3.17.4 IO# / ADC# ....................37 3.18 ..................39 EYBOARD INTERFACE 3.18.1 IO# / KEYROW#..................... 39 3.18.2 KEYCOL#...................... 39 ANTENNA CONNECTOR.................... 41 AT COMMAND SUMMARY ..................42 EMBEDDED APPLICATIONS ..................45 ......................45 EATURES ....................

  • Page 5: Introduction

    GR47/GR48 Technical description Introduction 1.1 Overview The GR47/GR48 belong to a new generation of Sony Ericsson Mobile Communications GSM modules. This document describes the main characteristics and functionality of the GR47/48, two dual band products for 900/1800 MHz and 850/1900 MHz GSM bands respectively.

  • Page 6: Features

    GR47/GR48 Technical description 1.2 Features The module performs a set of telecom services (TS) according to GSM standard phase 2+, ETSI and ITU-T. The functions of the module are implemented by issuing AT commands over the serial interface. Supported AT commands are listed in section 5, these are defined further in GSM 7.05/7.07 and the GR47/GR48 integrator’s manual.

  • Page 7: Sms

    GR47/GR48 Technical description 1.2.2 SMS The module supports the following SMS services: • Sending: MO, both PDU and Text mode supported. • Receiving: MT, both PDU and Text mode supported. • CBM is a service, in which a message is sent to all subscribers located in one or more specific cell(s) in the GSM network, for example, cell location information.

  • Page 8: Sim Card

    • On board TCP/IP stack (see section 7) 1.2.8 Development Kit Sony Ericsson Mobile Communications provides the opportunity to test the module in a limited scale, before ordering a large quantity. 1.2.8.1 M2mpower Package With the M2mpower package you can quickly get started with the module.

  • Page 9: Precautions

    GR47/GR48 Technical description suitable PC and comes with extensive help files, training course and support. 1.2.8.2 Developer’s kit As an alternative, the Integrator’s Manual and Universal Development Board are available as a separate offering. The kit includes other necessary accessories (software and hardware) that you will need for your test purposes These are available from your regional salesperson or M2M customer support (see section 7)
  • Page 10 GR47/GR48 Technical description Internet Protocol ITU-T International Telecommunication Union – Telecommunications Standardisation Sector Mobile Equipment MMCX Micro Minature Coax Mobile Originated Mobile Station Mobile Terminated Pulse Code Modulation Protocol Data Unit Radio Link Protocol Radio Frequency Reserved for Future Use Real Time Clock Service Discovery Protocol Short Message Service...

  • Page 11: Mechanical Description

    GR47/48. The GR47/GR48 are protected with AISI 304 Stainless Steel covers suitable to fulfil the environmental and EMC requirements. Dimensions, the position of the different connectors and mounting holes are shown in figure 2.2. Figure 2.1 GR 47/48, view from the underside GBBA/SEM/BMS 03:0001 Rev...

  • Page 12: Physical Dimensions

    GR47/GR48 Technical description 2.2 Physical Dimensions Figure 2.2 Physical dimensions of GR 47/48 The measures are given in millimetres. See also chapter 6, Technical Data. GBBA/SEM/BMS 03:0001 Rev...

  • Page 13: System Connector Interface

    Details of connector availability and sources are available from customer support on request. Figure 3.1 GR 47/48. View from the underside The table on next page provides the pin assignment of the different signals in the System Connector Interface as well as a short description of them.
  • Page 14 GR47/GR48 Technical description Signal Name Signal Type Description Supply Power Supply DGND Digital Ground Supply Power Supply DGND Digital Ground Supply Power Supply DGND Digital Ground Supply Power Supply DGND Digital Ground Supply Power Supply DGND Digital Ground CHG_IN Batt Charge Battery charging (power) DGND...
  • Page 15 GR47/GR48 Technical description ADC3 Analogue Analogue to digital converter 3 2.75, internal C Data pullup 2.75, internal C Clock pullup BUZZER Dig. 2.75 Buzzer output from module Dig. 2.75 General purpose output 5 KEYCOL3 Keyboard column 3 Data Set Ready Dig.

  • Page 16: General Electrical And Logical Characteristics

    GR47/GR48 Technical description PCMULD Dig. 2.75 DSP PCM digital audio input PCMDLD Dig. 2.75 DSP PCM digital audio output PCMO Dig. 2.75 Codec PCM digital audio output PCMI Dig. 2.75 Codec PCM digital audio input PCMSYNC Dig. 2.75 DSP PCM frame sync PCMCLK Dig.

  • Page 17: General Protection Requirements

    GR47/GR48 Technical description 3.2.1 General Protection Requirements All 2.75V digital inputs shall continuously withstand any voltage from -0.5V up to 3.47V (3.3V + 5%) in the power-on or power-off condition with no damage. All 2.75V digital outputs shall continuously withstand a short circuit to any voltage within the range from 0V to 3V.

  • Page 18: Grounds

    Digital Ground AGND Analogue Ground There are two ground signals in GR 47/48, Analogue Ground (AGND) and Digital Ground (DGND). The analogue Ground is connected to pin number 60, and the Digital Ground is connected to the System Connector Interface through pin numbers 2, 4, 6, 8, 10 and Note: All the Ground pins have to be connected to the application.

  • Page 19: Regulated Power Supply

    Current Drive capability at TX Full Power < 600 mA (average)) < 2 A (Peak) GR 47/48 have not internal capacitance to supply the large current peaks during GSM transmission. Therefore on burst transmission the application DC source is responsible for providing the appropriate current.

  • Page 20: On/Off And External Power Signals

    GR47/GR48 Technical description ON/OFF and External Power Signals Pins Name Description ON/OFF Square signal to turn on/off the module External power supply 3.5.1 Module ON/OFF The module is powered ON/OFF by grounding (pulling low) pin 14 as per figure 3.2 below. The pin should then be released as it has an internal pull up to return it to the high state.

  • Page 21: External 2.75 V (Vio)

    GR47/GR48 Technical description 3.5.2 External 2.75 V (VIO) The VIO has been derived from a 2.75 V regulator. It is possible to use this output as a power supply at 2.75 V with a maximum of 75mA. It will indicate that the module is alive and it could power external devices.

  • Page 22: Analogue Audio

    GR47/GR48 Technical description Analogue Audio Pins Name Description AFMS Audio From Mobile Station ATMS Audio To Mobile Station AGND Reference for analogue audio ATMS and AFMS are the audio input and output for the module. The analogue audio signals can be used in two different modes, Handsfree and Portable Handsfree.
  • Page 23 GR47/GR48 Technical description Parameter Limit Application driving impedance (0.3 - 3.5 kHz) < 300 Ω AC coupling capacitance > 1 µF Module input impedance (0.3 - 3.5 kHz) >50ΚΩ Low frequency cut-off (- 3 dB) 300 Hz ± 50 Hz High frequency cut-off (- 3 dB) >...

  • Page 24: Audio From Mobile Station (Afms)

    GR47/GR48 Technical description 3.6.2 Audio From Mobile Station (AFMS) AFMS is the analogue audio output from the module. When it is active, the output is derived from the PCM digital audio by the decoder part of the CODEC. The PCM data comes from PCMI on the system connector.

  • Page 25: Speaker Signals

    GR47/GR48 Technical description Parameter Limit 2.0 - 2.5 V Speaker Signals Speaker signals Function BEARP Microphone Positive Output BEARN Microphone Negative Output BEARP and BEARN are the speakers output pins. These outputs are in differential mode. 3.9 Digital Audio PCM signal Function PCMCLK PCM clock...
  • Page 26 GR47/GR48 Technical description In the case where no external audio processing is performed, then it is necessary to connect the following signals at the system connector: PCMDLD and PCMI PCMULD and PCMO Electrical characteristics The Dig. 2.75 V CMOS Output / Input electrical characteristics shall apply, with DGND as the reference.

  • Page 27: Serial Data

    GR47/GR48 Technical description 3.10 Serial Data Name Description RS232 CCITT Nº Serial data to module Serial data from module Request To Send General purpose I/O 9 Clear To Send KeyCOL4 Key column 4 General purpose output 4 Data Terminal Ready 108.2 KeyROW1 Keyboard column 1...
  • Page 28 GR47/GR48 Technical description The serial channels are used as asynchronous communication links between an application system or accessory units connected to the Module. They consist of three UART's. • UART 1 – This has full RS232 and is used for all on and off line communication.

  • Page 29: Uart 1 (Rs232) - Rd, Td, Rts, Cts, Dtr, Dcd, Dsr And Ri

    GR47/GR48 Technical description 3.10.1 UART 1 (RS232) - RD, TD, RTS, CTS, DTR, DCD, DSR and RI The UART1 signals form a 9 pin RS-232 (V.24) serial port. The signal levels do not match the standard RS-232 (V.28) levels. The relationship between the levels is shown in the table below RS - 232 Level RD, TD...

  • Page 30: Control Signals - Rts, Cts, Dtr, Dcd, Ri, Dsr

    GR47/GR48 Technical description 3.10.3 Control Signals - RTS, CTS, DTR, DCD, RI, DSR The control signals are active low, and hence when a standard interface IC is used (such as MAX3237), then standard RS-232 levels are obtained. These signals together with DGND, RD and TD form a 9-pin RS-232 data port (with the exception of the voltage levels).
  • Page 31 GR47/GR48 Technical description Clear To Send (CTS) CTS is an output from the module. The signals on this circuit are used to indicate that the DCE (the module when used for data transmission purposes) is ready to transmit data. Default level is high. The exact behaviour of CTS is defined by the AT+IFC command.

  • Page 32: Uart 2 - Td2, Rd2

    GR47/GR48 Technical description DSR (Data Set Ready) The DSR signal must be switched on using the at&s command. If DSR is enabled it will indicate an active state (low) if the module is in command mode and inactive (high) if the module is in on line data mode.

  • Page 33: Sim Card Related Signals

    GR47/GR48 Technical description Transmitted Data 3 (TD3) TD3 is input (to the module) used by the application system to send data on the UART 3 to the module. The electrical characteristics shall be the same as TD. Received Data 3 (RD3) RD is an output used to send data on the UART 3 to the application system.

  • Page 34: Sim Detection - Sim Presence

    GR47/GR48 Technical description 3.11.1 SIM Detection – SIM Presence SIMPRESENCE is an input intended to be used to determine whether a SIM card has been inserted or removed in the external SIM card holder. It shall be normally wired to the "Card Inserted Switch" of the external SIM card holder.

  • Page 35: Buzzer

    GR47/GR48 Technical description 3.13 Buzzer Signal Description Buzzer Buzzer output from the module This is an output signal which allows the application to use pre- programmed melodies or sounds. Typical use would involve a transistor buffer with a piezoelectric sounder. The Dig.

  • Page 36: Tx_On - Burst Transmission

    GR47/GR48 Technical description 3.15 TX_ON - Burst Transmission Signal Description TX_ON GSM module on transmission The TX_ON is a digital signal output. This shall indicate that the module is going to transmit the burst. Burst transmission is the time when a GSM transceiver unit is transmitting in its timeslot assigned by the network.

  • Page 37: Extended Io Capabilities

    GR47/GR48 Technical description In Back-up operation if the voltage drop below 1 Volt, the RTC shall stop working. The following diagram shows the RTC connection: Figure 3.6 RTC connection 3.17 Extended IO capabilities In order to increase the flexibility and variety of GR47 peripherals, the RS232 hardware flow control shares its physical interface with the keypad scanning interface and extended general purpose IO capability.

  • Page 38: I#/O

    GR47/GR48 Technical description 3.17.2 I#/O# When not being used for an alternative function the pins labelled I# and O# may be used for general purpose inputs or outputs respectively. The inputs have an on-board 100k pull-up resistor and the outputs are driven rail-to-rail at 2.75V levels. 3.17.3 UART3/IO# The UART3 pins have been given alternative functions as general purpose I/O, both pins may be used for either input or output.

  • Page 39: Keyboard Interface

    GR47/GR48 Technical description 3.18 Keyboard interface To increase IO capabilities, the GR47 optimises the IO by multiplexing or sharing different features on single pins. The IO has been extended to allow simple interfacing of a matrix keypad. 3.18.1 IO#/KEYROW# When configured for keypad operation the software will configure the digital IO pins as input or high impedance tri-state.
  • Page 40 GR47/GR48 Technical description GR47 RN1107 RN1107 RN1107 Figure 3.8 Keyboard matrix connections GBBA/SEM/BMS 03:0001 Rev...

  • Page 41: Antenna Connector

    GR47/GR48 Technical description 4 Antenna Connector The Antenna Connector is a hub for transmission of the Radio Frequency (RF) signals from the module to the external customer- supplied antenna. It is a MMCX connector that is mounted on the surface of the module. Most dealers should be able to supply this type of connector.

  • Page 42: At Command Summary

    GR47/GR48 Technical description 5 AT Command Summary The AT standard is a line-oriented command language. "AT" is an abbreviation of ATtention and it is always used to start sending a command line from a TE to the TA. TE stands for Terminal Equipment which is a computer of any size and TA stands for Terminal Adapter which is the modem part of the module.
  • Page 43 GR47/GR48 Technical description Network registration AT+CREG USSD AT+CUSD, AT+CSSN Security & Locks AT+CLCK, AT+CPWD, AT+CPIN, AT*EPEE SETTINGS Restting AT*EMAR Ring signal settings AT*ERIL, AT*ERIN, AT*ERIP, AT*ESIL, AT*ESMA, AT*ESMM, AT*ESOM ME STATUS INFORMATION AT*ECAM, AT+CSQ, AT+CIND, AT+CPAS, AT+CMER ERROR CONTROL AT+CMEE, AT+CEER SMS &...
  • Page 44 GR47/GR48 Technical description HSCSD AT+CHSR, AT+CHSU GPRS PDP Context Activation AT+CGACT GPRS Attachment AT+CGATT Enter Data State AT+CGDATA Define PDP Context AT+CGDCONT GPRS Event Reporting AT+CGEREP Show PDP Address AT+CGPADDR Quality of Service Profile (MINIMUM AT+CGQMIN ACCEPTABLE) Quality of Service Profile (REQUESTED) AT+CGQREQ GPRS Network registration Status AT+CGREG...

  • Page 45: Embedded Applications

    GR47/GR48 Technical description 6 Embedded applications The module has the capability to store and run customer written code in the form of a script during the processors idle time, through the use of an on board interpreter. 6.1 Features Main features of embedded applications are as follows. •...

  • Page 46: Ide (Integrated Developers Environment)

    GR47/GR48 Technical description 6.2.2 M2mpower IDE (Integrated Developers Environment) The IDE is a windows based package which allows the user to write simulate, de-bug and download their application into a module with the EA software. The standard version is designed to run on Windows XP and 2000, other versions are available for 98 if required.

  • Page 47: Tcp/Ip Stack

    GR47/GR48 Technical description 7 TCP/IP stack An on board IP/TCP/UDP stack has been integrated into the software negating the need for the customer to implement one in their own code base. This is going to initially only be accessible through the embedded applications (see previous section) using intrinsic functions.

  • Page 48: Technical Data

    Max < 37ppm Typical < 20ppm Radio specifications Frequency range: GR 47: GSM 900 & EGSM 900 MHz and 1800 MHz (Dual Band) GR 48: GSM 850 MHz and 1900 MHz (Dual Band) Maximum RF output power: 2 W / 1 W Ω...
  • Page 49 GR47/GR48 Technical description Non-stationary vibration, including Shock response spectrum I, peak acceleration: - 3 shocks in shock each axis and direction: 300 m/s , 11 ms Shock response spectrum II, peak acceleration: - 3 shocks in each axis and direction: 1000 m/s , 6 ms Bump: Acceleration 250 m/s...

  • Page 50: Contact Details

    GR47/GR48 Technical description 9 Contact details To contact customer support please use the details below. Customer Support Maplewood Building Chineham Business Park Basingstoke RG24 8YB E mail : modules.support@sonyericsson.com modules.info@sonyericsson.com GBBA/SEM/BMS 03:0001 Rev...

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