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Sony Ericsson GM47, GM48 The following table shows the ear piece impedances that can be connected to BEARP and BEARN.

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2. SYSTEM CONNECTOR INTERFACE

51

LZT 123 7263 R1C

2.6.4 Speaker Signals

BEARP and BEARN are the speaker output pins. These are differential-mode outputs. The electrical characteristics are given in the table below.The following table shows the ear piece impedances that can be connected to BEARP and BEARN.

Pin Speaker signals Dir Function

55 BEARP OSpeaker positive output

56 BEARN OSpeaker negative output

Parameter Limit

Output level (differential) ≥4.0Vpp

Output level (dynamic load = 32Ω)≥2.8Vpp

Gain PCMINa to BEARP/BEARN (differential)

a. See PCMIN signal in “2.7 PCM Digital Audio”, page 52

–9dB ± 1

Distortion at 1kHz and maximum output level ≤5%

Offset, BEARP to BEARN ±30mV

Ear-piece mute-switch attenuation ≥40dB

Ear piece model Impedance Tolerance

Dynamic ear piece [32Ω + 800µH] // 100pF ±20%

Dynamic ear piece [150Ω + 800µH] // 100pF ±20%

Piezo ear piece 1kΩ + 60nF ±20%

Contents

Main First edition (April 2002) Second edition (August 2002) Third edition (January 2003) Contents Page Page Page Page Page Page Page Page Page 1. Introduction 1.1 Target Users 1.2 Prerequisites 1.3 Manual Structure Page 2. GM47/GM48 Modules 2.1 About the GM47/GM48 Family 2.2 GM47 in a Communication System Page 2.3 Features 2.3.1 Types of Mobile Station GM47 and GM48 are dual band mobile stations with the characteristics shown in the tables below. Page 2.4 Service and Support 2.5 Precautions 3. Abbreviations Page Page Page 1. Introduction 1.1 Overview 1.2 Contents of the Kit 1.3 General Functioning of the Kit Figure 1.3 Miscellaneous signals, connection and routing Figure 1.4 Audio signals, connection and routing Figure 1.5 Comms signals, connection and routing 2. Using the Developers Kit GM47/GM48 Developer's Kit 2.1 Start up Check List 2. USING THE DEVELOPERS KIT 31 2.2 Developers Board Overlay Figure 2.3 Developers board overlay 2.3 Jumpers, Switches and Connectors JP21 JP18 All switches are mounted on the front panel of the developers box. Page Page 2.4 System Connector Pin Assignments Figure 2.4 System connector pin assignments Page Page 1. Mechanical Description 1.1 Interface Description 1.2 Physical Dimensions 2. System Connector Interface 2.1 Overview Note! Under the heading Dir in the table, module input and output signals are indicated by the letters I and O respectively. Page 2.2 General Electrical and Logical Characteristics 2.3 Grounds 2.4 VCC - Regulated Power Supply Input 2.5 ON/OFF and External Power Signal Page 2.6 Analogue Audio Page The table below shows the audio signal levels for AFMS. 2.6.3 Microphone Signals Figure 2.3 Microphone connections to the module 2.6.4 Speaker Signals a. See PCMIN signal in 2.7 PCM Digital Audio, page 52 The following table shows the ear piece impedances that can be connected to BEARP and BEARN. 2.7 PCM Digital Audio Page PCM Timing Diagrams Figure 2.7 PCM Timing Diagram 2.8 Serial Data Interfaces Page Page Page 2.9 SIM Card Related Signals Page 2.10 Service/Programming 2.11 Buzzer 2.12 LED The following circuit should be used to connect an LED. Figure 2.8 Electrical connections for the LED 2.13 General Purpose Digital I/O Ports 2.14 General Purpose Analogue I/O Ports The module is able to convert digital to analogue signals and vice versa. b. Referred to the ideal conversion characteristic. a. Tolerance on this internal voltage is 5% 2.14.1 Digital to Analogue Converter - DAC Figure 2.9 DAC loads 2.14.2 Analogue to Digital Converters 1, 2 and 3 - ADCx a. Tolerance on this internal voltage is 5% 2.15 External I 2C Serial Control Bus Note! The I2C bus is currently not supported by the software 2.16 TX_ON - Burst Transmission 2.17 Real Time Clock Page 3. Antenna Connector 4. Hints for Integrating the Module 4.1 Safety Advice and Precautions 4.2 Installation of the Module Page 4.3 Antenna Page Page 5. Technical Data Mechanical Specifications SIM card Power supply voltage, normal operation Radio specifications Environmental specifications Data Storage Page Page Page Page 1. Introduction to AT Commands 1.1 Overview 1.2 Syntax Description Page Page Page 1.3 Error Codes Page 1.4 Examples on How to Use the AT Comman ds 1.5 SMS Text Mode Page 1.6 GPRS Communication Page 2. Call Control 2.1 AT+CPIN PIN Control Answer and initiate connection to an incoming call. 2.2 ATA Answer Incoming Call 2.3 ATD Dial ATD07747008670; AT+VTS=4 2.4 ATH Hang up Signals the MS to terminate an active call. Included for compatibity. No functionality 2.5 ATL Monitor Speaker Loudness 2.6 ATO Return to Online Data Mode 2.7 ATP Select Pulse Dialling 2.8 ATT Select Tone Dialling 2.9 ATX Call Progress Monitoring Control 2.10 AT+CHUP Hang up Call 2.11 AT+CMOD Call Mode 2.12 AT+CVHU Voice Hang-Up 2.13 AT+VTS DTMF and Tone Generation Note! The AT+VTS command is used only during a voice call. Page 3. Control and Status 3.1 ATQ Result Code Suppression 3.2 ATS0 Automatic Answer Control 3.3 ATS2 Escape Sequence Character 3.4 ATS3 Command Line Termination Character 3.5 ATS4 Response Formatting Character 3.6 ATS5 Command Line Editing Character (BACKSPACE) 3.7 ATS6 Blind Dial Delay Control 3.8 ATS7 Connection Completion Timeout 3.9 ATS8 Comma Dial Modifier Delay Control 3.10 ATS10 Automatic Disconnect Delay Control 3.11 AT*ECAM Ericsson Call Monitoring to make it possible for the TE to display call state information for an ongoing call. *ECAV: <ccid>,<ccstatus>,<calltype>,[<processid>],[<exitcause>], [<number>,<type>] Examples AT*ECAM? *ECAM: 0 AT*ECAM=1 3.12 AT*EDST Ericsson Daylight Saving Time This command sets the daylight saving time hours. 3.13 AT*EMAR Ericsson Master Reset 3.14 AT*EPEE Ericsson Pin Event The command requests the MS to report when the PIN code has been inserted and accepted. 3.15 AT*ESMM Ericsson Settings Minute Minder 3.16 AT+CALA Set Alarm product specific. +CALV: <n> This command removes an active alarm. 3.17 AT+CALD Alarm Delete 3.18 AT+CCLK Set Clock and Date 3.19 AT+CEER Extended Error Report 3.20 AT+CFUN Set Phone Functionality 3.21 AT+CIND Indicator Control 3.22 AT+CLAC List all available AT Commands 3.23 AT+CMEE Mobile Equipment Error 3.24 AT+CMER Mobile Equipment Event Reporting 3.25 AT+CPAS Phone Activity Status Page 3.26 AT+CPIN PIN Control AT+CPIN=0000 3.27 AT+CPWD Change Password AT+CPWD=SC,0000,0001 3.28 AT+CR Service Reporting Control 3.29 AT+CRC Cellular Result Code 3.30 AT+CSAS Save Settings 3.31 AT+CSQ Signal Strength AT+CSQ +CSQ: 13,99 3.32 AT+CTZU Automatic Time Zone Update Page 4. Audio Note! *E2EAMS and *E2APR are new commands that replace the 4.1 AT*E2EAMS Ericsson M2M Audio Profile Modification Page Page 4 5 6 7 Page Page 4.2 AT*E2APR M2M Audio Profile Manipulation Page 4.3 AT*EALR Ericsson Audio Line Request 4.4 AT*EAMS Ericsson Audio Mode Selection 4.5 AT*EARS Ericsson Audio Ring Signal 4.6 AT*E2PHFB Portable Handsfree Button Sense Enable 4.7 AT*ELAM Ericsson Local Audio Mode 4.8 AT*EMIC Ericsson Microphone Mode 4.9 AT*EMIR Ericsson Music Mute Indication Request 4.10 AT*EPRR Ericsson Personal Ring Type Read 4.11 AT*EPRW Ericsson Personal Ringtype Write Page 4.12 AT*ERIL Ericsson Ring Level Set 4.13 AT*ERIN Ericsson Ring Set 4.14 AT*ERIP Ericsson Ring Signal Playback Command Refer to the AT*ERIN command for the <sound type> parameter. 4.15 AT*ESMA Ericsson Set Message Alert Sound 4.16 AT*ESOM Ericsson Settings Own Melody Page 4.17 AT*EXVC Ericsson Set External Volume Control 4.18 ATM Monitor Speaker Control Page 5. Data - CSD/HSCSD 5.1 AT+CBST Select Bearer Service Type Page 5.2 AT+CRLP Radio Link Protocol Page 6. Data - GPRS 6.1 AT+CGACT PDP Context Activate or Deactivate 6.2 AT+CGATT GPRS Attach or Detach 6.3 AT+CGDATA Enter Data State 6.4 AT+CGDCONT Define PDP Context Page 6.5 AT+CGEREP GPRS Event Reporting 6.6 AT+CGPADDR Show PDP Address 6.7 AT+CGQMIN Quality of Service Profile (Minimum Acceptab le) Page 6.8 AT+CGQREQ Quality of Service Profile (Requested) Page Page 6.9 AT+CGREG GPRS Network Registration Status Note! If the GPRS/Packet Domain MS also supports circuit mode services, the AT+CGREG? +CGREG: 0,3 6.10 AT+CGSMS Select Service for MO SMS Messages 7. Data - HSCSD 7.1 AT+CHSC HSCSD Current Call Parameters 7.2 AT+CHSD HSCSD Device Parameters Shows information about HSCSD features supported by the ME/TA. 7.3 AT+CHSN HSCSD Non Transparent Call Configuration Note! Recommended value for parameter <speed> in AT+CBST is 0. 7.4 AT+CHSR HSCSD Parameters Report 7.5 AT+CHSU HSCSD Automatic User Initiated Upgrading Page 8. GPS Interoperability 8.1 AT*EENMEA NMEA (GPS) Mode on UART2 8.2 AT*E2NMPR Ericsson M2M Set NMEA (GPS) Port Rate Examples AT*E2NMPR=? *E2NMPR=(0-10) Port rate currently set: Page Page 9. Fax 9.1 AT*E2FAX Ericsson M2M Fax Comm. Baud Rate Modification 9.2 Low Level Fax Commands 10. Identification 10.1 AT Attention Command This command stores the current user profile in non-volatile memory. 10.2 AT&F Set to Factory Defined Configuration 10.3 AT&W Store User Profile 10.4 AT* List all Supported AT Commands Lists all the commands supported by the MS. 10.5 AT+CGMI Read MS Manufacturer Identification Causes the MS to return one or more lines of information text. AT+CGMI Sony Ericsson 10.7 AT+CGMR Read MS Revision Identification 10.8 AT+CGSN Read MS Product Serial Number Identification 10.9 AT+GMI Read Manufacturer Identification 10.10 AT+GMM Read Model Identification 10.11 AT+GMR Read Revision Identification 10.12 ATI Identification Information Page Page 11. Input/Output 11.1 AT*E2IO Ericsson M2M Input/Output Read/Write Page Page *E2IO: <source>, <io>, <val> Scenario Cases Writing in an Output: Reading an I/O: Configuring an I/O: Checking an I/O status: Triggering an Input: Checking an Input Trigger: 12. Interface 12.1 AT+CPIN PIN Control 12.2 AT&C Circuit 109 (DCD) Control Determines the behaviour of the carrier detect. 12.3 AT&D Circuit 108 (DTR) Response 12.5 AT+WS46 Mo de Selection Allows an accessory to query and control the cellular protocol mode of the phone. 12.6 ATE Command Echo 12.7 ATV DCE Response Format 12.8 ATZ Reset to Default Configuration 12.9 AT+CMUX Switch to 07.10 Multiplex Protocol The default values for the parameters below are for no transparency and only UIH frames used. 12.10 AT+CRES Restore SMS Settings 12.11 AT+ICF Cable Interface Character Format AT+ICF? +ICF: 3,3 12.12 AT+IFC DTE-DCE Local Flow Control 12.13 AT+ILRR Cable Interface Local Rate Reporting 12.14 AT+IPR Cable Interface Port Command 12.15 AT*E2SPI Serial Peripheral Interface Page 12.16 AT*E2ESC M2M Escape Sequence Guard Time Page 13. Network 13.1 AT*E2CD Ericsson M2M Cell Description Page 13.2 AT*E2EMM Ericsso n M2M Engineering Monitoring Mode Page Page Page Page Page 13.3 AT*E2SPN M2M Service Provider Indication 13.4 AT*EALS Ericsson Request ALS Status 13.5 AT*ECSP Ericsson Customer Service Profile 13.6 AT*EPNR Ericsson Read SIM Preferred Network *EPNR: 10,27801 13.7 AT*EPNW Ericsson Write SIM Preferred Network 13.8 AT*E2SSN Ericsson M2M SIM Serial Number 13.9 AT*ESLN Ericsson Set Line Name Sets the name tag for a selected line. 13.10 AT+CIMI Subscriber Identification Causes the TA to return <IMSI>, identifying the individual SIM attached to the ME. AT+CIMI 234157411545420 13.11 AT+CLCK Facility Lock Page 13.12 AT+CNUM Subscriber Number 13.13 AT+COLP Connected Line Identification Presen tation Page 13.14 AT+COPS Operator Selection Forces an attempt to select and register the GSM network operator. 13.15 AT+CREG Network Registration 13.16 AT*ECPI Ciphering Indicator Page 13.17 AT*E2NBTS Ericsson M2M Neighbour BTS Page Page 14. Phonebook 14.1 AT*E2PBCS Ericsson M2M Phonebook Check Sum 14.2 AT*ESAG Ericsson Add to Group 14.3 AT*ESCG Ericsson Create Group 14.4 AT*ESCN Ericsson Set Credit Card Number Page 14.5 AT*ESDG Ericsson Delete Group This command deletes the group at position <gindex> from the hierarchical phone book. 14.6 AT*ESDI Ericsson Delete Group Item The command deletes the item with <index> in the group with <gindex>. 14.7 AT*ESGR Ericsson Group Read This command lists the groups in the hierarchical phone book. 14.8 AT*EGIR Ericsson Group Item Read This command lists the items stored in the group identified by <gindex>. 14.9 AT*ESIL Ericsson Silence Command 14.10 AT*ESNU Ericsson Settings Number This command sets a <type> number, in the format <number type>, in the MS. 14.11 AT+CPBF Phonebook Find 14.12 AT+CPBR Phonebook Read Page 14.13 AT+CPBS Phone Storage 14.14 AT+CPBW Phonebook Write 14.15 AT*ECAW Ericsson Callers Allowed Write 14.16 AT*ECAR Ericsson Callers Allowed Read Page Page 15. Short Message Services - Point to Point 15.1 AT+CPIN PIN Control 15.2 AT+CGSMS Select Service for MO SMS Messages See 6.10, AT+CGSMS Select Service for MO SMS Messages 15.3 AT+CPMS Preferred Message Storage Page 15.4 AT+CSCA Service Centre Address 15.5 AT+CMGF Message Format 15.6 AT+CMGW Write Message to Memory Note! SMS-COMMANDs and SMS-STATUS-REPORTs cannot be stored in text mode. 15.7 AT+CMGS Send Message Page Page 15.8 AT+CMSS Send From Storage Page 15.9 AT+CMGC Send Command Page 15.10 AT+CNMI New M essage Indications to TE Page Page Page Display cell broadcast messages: AT+CNMI=3,0,2,0,0 15.11 AT+CMGR Read Message Page Page Page Page Page 15.12 AT+CMGL List Message Page Page Page Page Page 15.13 AT+CMGD Delete Message Common for both PDU and Text modes 15.14 AT+CSDH Show Text Mode Parameters Only Applicable to Text Mode Controls whether detailed header information is shown in text mode result codes. 15.15 AT+CSMP Set Text Mode Parameters Only Applicable to Text Mode 15.16 AT+CSCS Select Character Set 15.17 AT+CSMS Select Message Service Common for both PDU and Text Mode s 15.18 AT*E2SMSRIRing indicator for SMS Page Page 16. Short Message Services - Cell Broadcast 16.1 AT+CNMI N ew Message Indications to TE See 15.10, AT+CNMI New Message Indications to TE 16.2 AT+CSCB Select Cell Broadcast Message Type Common for both PDU and text modes Page 17. SIM Application Toolkit 17.1 AT+CPIN PIN Control 17.2 AT*E2STKS SIM Application Toolkit Settings 17.3 AT*E2STKD M2M STK Display Text 17.4 AT*E2STKG M2M STK Get Inkey Page 17.5 AT*E2STKI M2M STK Get Input Page Page 17.6 AT*E2STKL M2M STK Select Item Page 17.7 AT*E2STKM M2M STK Set Up Menu Page 17.8 AT*E2STKN M2M STK Envelope (Menu Selection) 17.9 AT*E2STKC M2M STK Set Up Call *E2STKC: <ton>,<dial_string>,<SetUpRequirement>,<coding>, <text_length>,<alpha_id> 17.10 *E2STKE STK Send Short Message 17.11 *E2STKP STK Send SS 17.12 *E2STKU STK Send USSD 17.13 *E2STKR STK Refresh 17.14 AT*E2STKTO SIM Application Toolkit Settings Unsolicited result code: *E2STKTO: <command> 18. Supplementary Services 18.1 AT+CPIN PIN Control 18.2 AT+CACM Accumulated Call Meter 18.3 AT+CAMM Accumulated Call Meter Maximum 18.4 AT+CAOC Advice of Charge 18.5 AT+CPUC Price Per Unit and Currency Table 18.6 AT*EDIF Ericsson Divert Function *EDIF: <reason>,<status>,<classx>[,<number>,<type>] 18.7 AT*EIPS Identity Presentation Set *ELIP:<alpha tag> *EOLP:<alpha tag> 18.8 AT*ELIN Ericsson Line Set 18.9 AT*E2SSD M2M Supplementary Service Dispatch 18.10 AT*E2SSI M2M Supplementary Service Indications Page Page Page Page 18.11 AT+CCFC Call Forwarding number and Conditions Page 18.12 AT+CCWA Call Waiting +CCWA: <number>, <type>, <class> 18.13 AT+CHLD Call Hold and Multiparty Page 18.14 AT+CLIP Calling Line Identification 18.15 AT+CLIR Calling Line Identification Restriction Page 18.16 AT+CSSN Sup plementary Service Notification Page 18.17 AT+CUSD Unstructured Supplementary Service Data The different alternatives are shown below. Example 1 Page 19. Alphabetical Listing of AT Commands