Sony Ericsson GR47/GR48 - Manuals

2. GR47/GR48 RADIO DEVICES 7 LZT 123 7589 R1A 2. GR47/GR48 Radio Devices 2.1 About the GR47/GR48 Family Two radio devices make up the family; GR47 and GR48, for use in the E-GSM900/GSM1800 and GSM850/GSM1900 bands respectively. 1RWH This manual refers to the GR47 and GR48 as radio devices. If there ...

2. GR47/GR48 RADIO DEVICES 8 LZT 123 7589 R1A . Figure 2.1 Main Blocks in a Wireless System (embedded application) Figure 2.2 Main Blocks in a Wireless System (external micro-controller) In accordance with the recommendations of ITU-T (International Telecommunication Union - Telecommunications Stand...

2. GR47/GR48 RADIO DEVICES 12 LZT 123 7589 R1A 2.4 Service and Support 2.4.1 Web Pages Visit our web site for the following information: • where to buy radio devices or for recommendations concerning accessories and components; • the telephone number for customer support in your region; • FAQs (freq...

Product Photo/Illustration Integrating the Radio Device

17 LZT 123 7589 R1A 4. Mechanical Description 4.1 Interface Description The pictures below show the mechanical design of the radio device along with the positions of the different connectors and mounting holes. The radio device is protected with AISI 304 stainless steel covers that meet the environm...

4. MECHANICAL DESCRIPTION 18 LZT 123 7589 R1A • Keypad, display, microphone, speaker and battery are not part of the radio device. • The SIM card is mounted in your application, external to the radio device. • The System Connector is a 60-pin, standard 0.05 in (1.27 mm) pitch type. The pins and thei...

19 LZT 123 7589 R1A 5. System Connector Interface 5.1 Overview Electrical connections to the radio device (except the antenna), are made through the System Connector Interface. The system connector is a 60-pin, standard 0.05 in (1.27 mm) pitch device. The system connector allows both board-to-board ...

5. SYSTEM CONNECTOR INTERFACE 22 LZT 123 7589 R1A 5.2 General Electrical and Logical Characteristics Many of the signals, as indicated in the table above, are high-speed CMOS logic inputs or outputs powered from a 2.75 V ± 5 % internal voltage regulator, and are defined as Digital 2.75 V. Whenever a...

5. SYSTEM CONNECTOR INTERFACE 25 LZT 123 7589 R1A Safety considerations should be taken into account. For example, monitoring the temperature of the battery. If the temperature of the battery exceeds its specification limits, battery charging must be stopped immediately. If the battery temperature c...

5. SYSTEM CONNECTOR INTERFACE 27 LZT 123 7589 R1A Turning the Radio Device Off Figure 5.3 Off timings and VIO performance (2) It is a requirement from most GSM network providers that GSM products properly detach from the network during a power-down sequence. In order to achieve this it is important ...

5. SYSTEM CONNECTOR INTERFACE 28 LZT 123 7589 R1A Hard Shutdown Sequence Figure 5.4 Hard Shutdown Sequence (4) To implement the Hard Shutdown of the GR47, the ON/OFF pulse must be held low until the sequence is complete. Ensure that ON/OFF is not released before VIO has been deactivated by the modul...

5. SYSTEM CONNECTOR INTERFACE 30 LZT 123 7589 R1A The following tables show the nominal PGA (programming gain settings). For more information see the relevant AT commands. Maximum input voltage limit: 245 mV rms Maximum input level at MICI, 61.4 mV rms output at PCMOUT = 3 dBm0 Output at AFMS for 3 ...

5. SYSTEM CONNECTOR INTERFACE 31 LZT 123 7589 R1A 5.7.3 Microphone Signals MICP and MICN are balanced differential microphone input pins. These inputs are compatible with an electret microphone. The microphone contains an FET buffer with an open drain output, which is supplied with at least +2 V rel...

5. SYSTEM CONNECTOR INTERFACE 33 LZT 123 7589 R1A 5.8 PCM Digital Audio Figure 5.6 shows the PCM (Pulse Code Modulation) digital audio connection for external devices. These connections can be used to process PCM digital audio signals, bypassing the radio device’s internal analogue audio CODEC. Figu...

5. SYSTEM CONNECTOR INTERFACE 35 LZT 123 7589 R1A PCM Timing Diagrams The PCM timing is shown in Figure 5.8 below and it is seen that the CPU has 45 µs to serve an interrupt and setup data channels. Data is sent on the falling edge of the sync pulse. The data bits in PCMULD and PCMDLD are aligned so...

5. SYSTEM CONNECTOR INTERFACE 36 LZT 123 7589 R1A 5.9 Serial Data Interfaces The serial channels, consisting of three UARTs, are asynchronous communication links to the application or accessory units. • UART1 has RS-232 functionality and is used for all on- and off -line communication. • UART2 behav...

5. SYSTEM CONNECTOR INTERFACE 38 LZT 123 7589 R1A 5.9.3 Control Signals - RTS, CTS, DTR, DSR, DCD, RI UART1 control signals are active low and need a standard interface IC, such as the MAX3237, to generate standard RS232 levels. UART1 converted signals, together with DGND, RD and TD form a 9-pin RS2...

5. SYSTEM CONNECTOR INTERFACE 39 LZT 123 7589 R1A Data Terminal Ready (DTR) DTR indicates that the DTE is ready to receive data. It also acts as a hardware ‘hang-up’, terminating calls when switched high. The signal is active low. You can define the exact behaviour of DTR with an AT command. Data Se...

5. SYSTEM CONNECTOR INTERFACE 40 LZT 123 7589 R1A 5.9.5 UART3 - TD3, RD3 UART3 is a full duplex serial communication port with transmission and reception lines. It has the same timing and electrical signal characteristics as UART1, TD and RD. Transmitted Data 3 (TD3) TD3 is used by your application ...

5. SYSTEM CONNECTOR INTERFACE 42 LZT 123 7589 R1A The electrical characteristics are given below. The signal reference is DGND. 5.12 Buzzer Connecting the BUZZER signal to an inverting transistor-buffer followed by a piezoelectric transducer enables the radio device to play pre-programmed melodies o...

5. SYSTEM CONNECTOR INTERFACE 44 LZT 123 7589 R1A The operational modes of multiplexed signals are controlled by AT commands and also by intrinsic functions available to an embedded The following table gives you the input impedance. These values only apply when the ports are configured as input sign...

5. SYSTEM CONNECTOR INTERFACE 45 LZT 123 7589 R1A 5.15.2 I#/O# If pins labelled I# and O# are not being used for an alternative function they 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...

5. SYSTEM CONNECTOR INTERFACE 46 LZT 123 7589 R1A 5.16.1 Digital to Analogue Converter - DAC The DAC is an 8-bit converter. Conversion takes place when an AT command is sent to the radio device. The radio device sends the resulting analogue value to the DAC pin. Tolerance on this internal voltage is...

5. SYSTEM CONNECTOR INTERFACE 47 LZT 123 7589 R1A 5.16.2 Analogue to Digital Converters 1, 2 and 3 - ADCx The ADC is an 8-bit converter. An analogue value applied to any of the ADC pins is converted and stored in a register inside the radio device. When the appropriate AT command is received by the ...

5. SYSTEM CONNECTOR INTERFACE 48 LZT 123 7589 R1A 1RWH If the voltage of the signal to be measured may be altered by the internal circuitry of this shared signal, then the application should use ADC1, ADC2 or ADC3 instead. Figure 5.12 Input circuit for combined digital I/O and ADC pins 5.17 External...

5. SYSTEM CONNECTOR INTERFACE 50 LZT 123 7589 R1A In back-up mode, the back-up source must provide enough power for RTC operation. Refer to the table for the amount of current required. The following table shows voltage characteristics for both modes. If the voltage drops below 1.0 V in back-up mode...

7. KEYBOARD INTERFACE 52 LZT 123 7589 R1A 7. Keyboard Interface To increase I/O capabilities, the radio device optimises the I/O by multiplexing or sharing different features on single pins. The I/O has been extended to allow simple interfacing of a matrix keypad. 7.1 IO#/KEYROW# When configured for...

7. KEYBOARD INTERFACE 53 LZT 123 7589 R1A The method of connection is shown below. Figure 7.1 Keyboard matrix connections 1RWH This matrix pattern may be repeated up to 5 columns and 4 rows (one column will use a ground connection as a virtual column driver). Examples of suitable transistors are: 6 ...

8. HINTS FOR INTEGRATING THE RADIO DEVICE 54 LZT 123 7589 R1A 8. Hints for Integrating the Radio Device This chapter gives you advice and helpful hints on how to integrate the radio device into your application from a hardware perspective. Please read and consider the information under the following...

8. HINTS FOR INTEGRATING THE RADIO DEVICE 56 LZT 123 7589 R1A 8.2 Installation of the Radio Device 8.2.1 Where to Install the Radio Device There are several conditions which need to be taken into consideration when designing your application as they might affect the radio device and its function. Th...

8. HINTS FOR INTEGRATING THE RADIO DEVICE 57 LZT 123 7589 R1A • If you intend to use SMS in the application, ensure this is included in your (voice) subscription. • Consider the choice of the supplementary services described in section 2.3.2 Short Message Service, page 10. 8.2.2 How to Install the R...

8. HINTS FOR INTEGRATING THE RADIO DEVICE 59 LZT 123 7589 R1A In general, CE-marked products for residential and commercial areas, and light industry can withstand a minimum of 3 V/m. 8.3.4 The Antenna Cable Use 50 Ω impedance low-loss cable and high-quality 50 Ω impedance connectors (frequency rang...

9. EMBEDDED APPLICATIONS 60 LZT 123 7589 R1A 9. Embedded Applications The radio device has the capability to store and run customer written code in the form of a script during the processor’s idle time, through the use of an on board interpreter. 9.1 Features Main features of embedded applications a...

9. EMBEDDED APPLICATIONS 61 LZT 123 7589 R1A 9.2.2 M2 m power IDE (Integrated Development Environment) The IDE is a Windows based package which allows the user to write, simulate, debug and download the application into a radio device with the embedded application (EA) software. The standard version...

12. DECLARATION OF CONFORMITY 65 LZT 123 7589 R1A 12. Declaration of Conformity

DRAFT 67 LZT 123 7589 R1A 13. Introduction to the Developer’s Kit The developer’s kit for the radio devices is designed to get you started quickly. It contains all the hardware you will need to begin the development of an application. The only items you need to provide are; a computer, a SIM card an...

13. INTRODUCTION TO THE DEVELOPER’S KIT 68 LZT 123 7589 R1A 13.2 General Functioning of the Kit The following block diagrams are provided to help you understand the general principles of operation of the developer’s kit. You can use the kit’s connectors to access and control the radio device (all sw...

13. INTRODUCTION TO THE DEVELOPER’S KIT 69 LZT 123 7589 R1A Figure 13.2, Figure 13.3 and Figure 13.4 show how various signals are routed on the developer’s board. Thicker lines indicate multiple signals. Figure 13.2 Miscellaneous signals, connection and routing Figure 13.3 Audio signals, connection ...

13. INTRODUCTION TO THE DEVELOPER’S KIT 70 LZT 123 7589 R1A Figure 13.4 Comms signals, connection and routing X3 X2 UART1 Flow Control DSR, RI, DTR, CTS, RTS, DCD TD, RD TD2, RD2 TD3, RD3 UART SERVICE LED SERVICE X1

14. USING THE DEVELOPER’S KIT 71 LZT 123 7589 R1A 14. Using the Developer’s Kit This section provides you with the information needed to setup and use the developer’s kit. Before changing switch and jumper settings, refer to “14.3 Jumpers”, page 74. Front and rear views of the developer’s kit are sh...

14. USING THE DEVELOPER’S KIT 72 LZT 123 7589 R1A 14.1 Start up Check List To use the developer’s kit in standard format check the following: • With the case lid removed, make sure the radio device is plugged into X1 and the RF lead is connected to the MMCX socket of the radio device; • Add your SIM...

14. USING THE DEVELOPER’S KIT 73 LZT 123 7589 R1A 14.2 Developer’s Board Overlay Figure 14.3 shows the developer’s board, including the position of all the connectors, switches and jumpers (default positions). Figure 14.3 Developer’s board overlay PCM ATMS GND SIM + U7 INT SCL P2 P0 P4P6 U5 VRTC LED...

14. USING THE DEVELOPER’S KIT 76 LZT 123 7589 R1A $XGLRDQG3&0 0LVFHOODQHRXV Jumper Default Description ULD To OUT To enable analog audio microphone path ULD must be connected to OUT using the jumper. OUT To ULD To enable analog audio microphone path OUT must be connected to ULD using the jumper....

14. USING THE DEVELOPER’S KIT 78 LZT 123 7589 R1A 14.4 Switches All switches are mounted on the front panel of the developer’s box. Switch Default Description Vcc (SW1) N/C This switch chooses the voltage source that the radio device will use. The default state N/C makes the voltage path to the radi...

14. USING THE DEVELOPER’S KIT 83 LZT 123 7589 R1A 14.8 System Connector Pin Assignments Refer to the table below when monitoring signals on, or connecting to, X1. The table shows the system-connector pin assignments for the radio devices. See “System Connector Interface”, page 19for more details. Fi...

14. USING THE DEVELOPER’S KIT 84 LZT 123 7589 R1A Figure 14.5 Pin Orientation and Board assignments Figure 14.6 Application Interface Connector (X2 and X3) - Pin Assignment PCM SIM INT P2 P0 LED TD DTR BUZZER OUT ULD SYN GND DAT CLK VCC A1 A0 A2 X9 P1P3 SW1 GND CHG EXT GND EXT SW2 INT R3 U8 R4 C2 C4...