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Sony Ericsson GR47/GR48 Integrator's Manual

Sony ericsson integrator's manual gr47/gr48
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GR47/GR48
Integrator's Manual
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Summary of Contents for Sony Ericsson GR47/GR48

  • Page 1 GR47/GR48 Integrator’s Manual Product Photo/Illustration...
  • Page 2 First edition (May 2003) Sony Ericsson Mobile Communications International publishes this manual without making any warranty as to the content contained herein. Further Sony Ericsson Mobile Communications International reserves the right to make modifications, additions and deletions to this manual due to typographical errors, inaccurate information, or improvements to programs and/or equipment at any time and without notice.

  • Page 3: Table Of Contents

    1. Introduction ... 6 Target Users ... 6 Prerequisites... 6 Manual Structure... 6 2. GR47/GR48 Radio Devices ... 7 About the GR47/GR48 Family ... 7 Radio Devices in a Communication System ... 7 Features ... 9 Service and Support ... 12 Precautions...
  • Page 4 Real Time Clock... 49 6. Antenna Connector... 51 7. Keyboard Interface ... 52 IO#/KEYROW# ... 52 KEYCOL# ... 52 8. Hints for Integrating the Radio Device... 54 Safety Advice and Precautions ... 54 Installation of the Radio Device... 56 Antenna ... 58 9.

  • Page 5: Overview

    Overview Product Photo/Illustration...

  • Page 6: Introduction

    1.3 Manual Structure The manual is composed of three parts: Part 1- Overview This section provides a broad overview of the GR47/GR48 family and includes a list of abbreviations used in the manual. Part 2 - Integrating the Radio Device This section describes each of the signals available on the GR47/GR48 radio devices, along with mechanical information.

  • Page 7: Gr47/Gr48 Radio Devices

    GR47 and GR48 information will be listed separately. The products belong to a new generation of Sony Ericsson radio devices, and are intended to be used in machine-to-machine applications and man- to-machine applications.
  • Page 8 In accordance with the recommendations of ITU-T (International Telecommunication Union - Telecommunications Standardisation Sector) V.24, the TE communicates with the MS over a serial interface. LZT 123 7589 R1A 2. GR47/GR48 RADIO DEVICES POWER SUPPLY Figure 2.1 Main Blocks in a Wireless System (embedded application)

  • Page 9: Features

    ETSI (European Telecommunications Standards Institute) and ITU-T. ETSI specifies a set of AT commands for controlling the GSM element of the radio device; these commands are supplemented by Sony Ericsson specific commands. To find out how to work with AT commands, see the AT Commands Manual.
  • Page 10 The radio devices support HR, FR and EFR vocoders.The GR48 also supports the Adaptive Multi Rate (AMR) type of vocoder. LZT 123 7589 R1A 2. GR47/GR48 RADIO DEVICES GSM 850 45 MHz < –102 dBm...
  • Page 11 • SIM application tool kit, class 2 release 96 compliant. • Embedded application • On board TCP/IP stack • E-OTD (Supported by GR48) LZT 123 7589 R1A 2. GR47/GR48 RADIO DEVICES Idle Mode Voice/CSD < 5 mA Data (GPRS 4+1) <...

  • Page 12: Service And Support

    This manual is supplied as part of the M2mpower package. 2.4.5 Developer’s Kit Sony Ericsson provides the developer’s kit to get you started quickly. The kit includes the necessary hardware required to begin the development of an application. It includes the following: •...

  • Page 13: Precautions

    In “Integrating the Radio Device”, page 16 you will find more information about safety and product care. Do not exceed the environmental and electrical limits as specified in “Technical Data”, page 63. LZT 123 7589 R1A 2. GR47/GR48 RADIO DEVICES...

  • Page 14: Abbreviations

    3. Abbreviations Abbreviation ATMS AFMS DTMF E-OTD ETSI GPRS HSCSD ITU-T M2mpower MMCX LZT 123 7589 R1A 3. ABBREVIATIONS Explanations Adaptive Multi Rate Audio to Mobile Station Audio from Mobile Station Cell Broadcast Message Cell Broadcast Service Circuit Switched Data Data Circuit Terminating Equipment Developer’s Kit Data Terminal Equipment...
  • Page 15 Abbreviation LZT 123 7589 R1A 3. ABBREVIATIONS Explanations Protocol Data Unit Radio Frequency Reserved for Future Use Radio Link Protocol Real Time Clock Service Discovery Protocol Subscriber Identity Module Short Message Service Transport Control Protocol User Datagram Protocol...

  • Page 16: Integrating The Radio Device

    Integrating the Radio Device Product Photo/Illustration...

  • Page 17: Mechanical Description

    4. Mechanical Description 4.1 Interface Description LZT 123 7589 R1A Mounting hole/ground connectionAntenna connectorSystem connector 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 environmental and EMC requirements.

  • Page 18: Physical Dimensions

    • 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.

  • Page 19: System Connector Interface

    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 and board-to-cable connections to be made.
  • Page 20 Under the heading “Dir” in the table, radio device input and output signals are indicated by the letters I and O respectively. Signal Name DGND DGND DGND DGND DGND CHG_IN DGND ADC4 ON/OFF SIMVCC SIMPRESENCE SIMRST SIMDATA SIMCLK KEYROW2 ADC5 KEYROW3 KEYROW4 VRTC...
  • Page 21 Signal Name ADC3 BUZZER OUT3 KEYCOL3 TX_ON KEYCOL2 KEYROW1 KEYCOL1 KEYCOL4 I/O7 I/O8 PCMULD PCMDLD LZT 123 7589 R1A 5. SYSTEM CONNECTOR INTERFACE Signal Type Description Analogue Analogue to digital converter 3 2.75V, internal C data pull up 2.75V, internal C clock pull up Digital 2.75V...

  • Page 22: General Electrical And Logical Characteristics

    Signal Name PCMO PCMI PCMSYNC PCMCLK MICP MICN BEARP BEARN AFMS SERVICE ATMS AGND 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.

  • Page 23: Grounds

    • The SIM output signals and the SIMVCC supply will continuously withstand a short circuit to any voltage within the range 0 V to 4.1V. 5.3 Grounds 2, 4, 6, 8, 10, 12 There are two ground connections in the radio device, AGND (analogue ground) and DGND (digital ground).

  • Page 24: Battery Charging Input (Chg_In)

    Connect all VCC pins together in your application in order to carry the current drawn by the radio device. The electrical characteristics for VCC are shown in the table below. Parameter Vcc supply voltage Maximum allowable voltage drop Current drawn, at full TX power a.

  • Page 25: Turning The Radio Device On/Off And The External Power Signal

    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 continues to rise the application should be suspended or the battery disconnected.
  • Page 26 38/6( 3567 &76 The GR47 measures the voltage at VCC during the power-up sequence. It is important that both VCC and ON/OFF reach a minimum of 3.2V before the ON/OFF low pulse is initiated. In SERVICE mode. LZT 123 7589 R1A 5.
  • Page 27 Turning the Radio Device Off (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 that the VCC supply is not removed or turned off before VIO has been deactivated by the module.
  • Page 28 Hard Shutdown Sequence Symbol 38/6( (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 module. 5.6.1 VIO - 2.75V Supply VIO provides an output voltage derived from an internal 2.75V regulator.

  • Page 29: Analogue Audio

    5.7 Analogue Audio ATMS is the audio input, and AFMS is the audio output, of the radio device. These signals can be used in car kit mode. There are three factory-set audio profiles: • portable handsfree • handset • car kit Portable handsfree is the factory-set default profile.
  • Page 30 The following tables show the nominal PGA (programming gain settings). For more information see the relevant AT commands. Maximum input voltage limit: 245 mV Input ATMS Maximum input level at MICI, 61.4 mV PCMOUT = 3 dBm0 Input MICN MICP Output at AFMS for 3 dBm0 at PCMIN Input PCMIN...
  • Page 31 Parameter Output Capacitance Levels (THD < 5 %) 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 relative to ground by the radio device as shown below.
  • Page 32 5.7.4 Speaker Signals BEARP and BEARN are the speaker output pins. These are differential-mode outputs. The electrical characteristics are given in the table below. Parameter Output level (differential) Output level (dynamic load = 32 ) Gain PCMIN Distortion at 1 kHz and maximum output level Offset, BEARP to BEARN Ear-piece mute-switch attenuation See PCMIN signal in 5.8 PCM Digital Audio, page 33.

  • Page 33: Pcm Digital Audio

    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. When no external audio processing is performed, the following pins must be connected together: •...
  • Page 34 5.8.1 PCM Data Format All of the radio device’s PCM signals, including signals between its CODEC and DSP conform to the PCM data I/O format of the industry standard DSP from Texas Instruments. PCMCLK (bit clock) and PCMSYNC (frame synchronisation) are both generated by the DSP within the radio device.
  • Page 35 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 that the MSB in each word occurs on the same clock edge as shown in Figure 5.9.

  • Page 36: Serial Data Interfaces

    Typical Rise/Fall times PCMCLK PCMSYN PCMOUT PCMDLD 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.
  • Page 37 Digital 2.75 V CMOS input/output electrical characteristics apply. The standard character format consists of 1 start bit, 8 bit data, no parity and 1 stop bit. In all, there are 10 bits per character. 5.9.1 UART1 (RS232) - RD, TD, RTS, CTS, DTR, DSR, DCD and RI UART1 signals conform to a 9-pin RS232 (V.24) serial port.
  • Page 38 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 RS232 data port.
  • Page 39 These are: • the radio device is reprogrammed if UART2 is connected to a computer running Sony Ericsson update software; • the radio device enters logging mode and sends data to UART2 if no reprogramming information is received.

  • Page 40: Sim Card Related Signals

    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 to send data to the radio device via UART3.

  • Page 41: Service/Programming

    When the SERVICE input signal is active the radio device will: • be reprogrammed if data is received through UART2 from a computer running Sony Ericsson reprogramming software; • or it will output logging data on UART2. LZT 123 7589 R1A 5.

  • Page 42: Buzzer

    The electrical characteristics are given below. The signal reference is DGND. Mode Normal Operation Service/enable programming Absolute maximum voltage 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 or sounds.

  • Page 43: General Purpose Digital I/O Ports

    The following circuit can be used to connect an LED. 5.14 General Purpose Digital I/O Ports Signals which have an entry in the Default Signal column in the above table are multiplexed. LZT 123 7589 R1A 5. SYSTEM CONNECTOR INTERFACE GR47/48 DGND Figure 5.10 Electrical connections for the LED...

  • Page 44: Extended I/O Capabilities

    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 signals. Parameter Input impedance (pull-up) I/O6 (LED) doesn’t have an internal pull up.

  • Page 45: General Purpose Analogue I/O Ports

    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 2.75V levels.
  • Page 46 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 % DAC output electrical characteristics are given in the following table.
  • Page 47 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 radio device, the digital value stored in the register is read.

  • Page 48: C Serial Control Bus

    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. 5.17 External I C Serial Control Bus The I The external I isolated from the radio device’s internal I of the radio device, in the event of the external I The electrical characteristics are shown below.

  • Page 49: Tx_On - Burst Transmission

    5.18 TX_ON - Burst Transmission Burst transmission is the time when a GSM transceiver unit is transmitting RF signals. TX_ON indicates the radio device is going into transmission mode. 5.19 Real Time Clock The Real Time Clock (RTC) provides the main microprocessor with a time-of-day calendar and alarm, and a one-hundred-year calendar.
  • Page 50 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. Parameter Supply Voltage RTC (normal mode - charging the capacitor) Supply Voltage RTC (back-up mode - Capacitor provides the current) Current drawn...

  • Page 51: Antenna Connector

    6. Antenna Connector The radio device’s antenna connector allows transmission of the radio frequency (RF) signals from the radio device to an external customer- supplied antenna. The connector is a micro-miniature coaxial MMCX surface mounted component. A number of suitable MMCX type, mating plugs are available from the following manufacturers;...

  • Page 52: Keyboard Interface

    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 keypad operation the software will configure the dig- ital I/O pins as input or high impedance tri-state.
  • Page 53 The method of connection is shown below. 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: Brand Toshiba On SEMI Philips ROHM LZT 123 7589 R1A...

  • Page 54: Hints For Integrating The Radio Device

    • Do not connect any incompatible component or product to the radio device. Sony Ericsson does not warrant against defects, non-conformities or deviations caused thereby. • The connection/disconnection method for the development board is by means of the DC power jack.
  • Page 55 8. HINTS FOR INTEGRATING THE RADIO DEVICE 8.1.2 SIM Card • Before handling the SIM card in your application, ensure that you are not charged with static electricity. Use proper precautions to avoid electrostatic discharges. The radio device must be switched off before the SIM card is installed in your application.

  • Page 56: Installation Of The Radio Device

    8. HINTS FOR INTEGRATING THE RADIO DEVICE 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.

  • Page 57: Software Upgrade

    8. HINTS FOR INTEGRATING THE RADIO DEVICE • 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 Radio Device Power Supply •...

  • Page 58: Antenna

    8. HINTS FOR INTEGRATING THE RADIO DEVICE 8.3 Antenna 8.3.1 General The antenna is the component in your system that maintains the radio link between the network and the radio device. Since the antenna transmits and receives electromagnetic energy, its efficient function will depend on: •...
  • Page 59 8. HINTS FOR INTEGRATING THE RADIO DEVICE 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 connectors (frequency range up to 2 GHz) to avoid RF losses. Ensure that the antenna cable is as short as possible.

  • Page 60: Embedded Applications

    9.1 Features Main features of embedded applications are as follows. • C based scripting language (Sony Ericsson specific); • Over the air upgrade of scripts (NOT GSM software); • Library of intrinsic functions; • 2 scripts can be stored in the memory at any time but only 1 can be active.
  • Page 61 (EA) functionality. This is a required package to be able to implement an embedded application (EA). For further information please contact Sony Ericsson Mobile Communications customer support. LZT 123 7589 R1A 9. EMBEDDED APPLICATIONS...

  • Page 62: Tcp/Ip Stack

    10. 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 only accessible by using an embedded applications (see section 9) using intrinsic functions.

  • Page 63: Technical Data

    11. Technical Data Mechanical Specifications Maximum length Maximum width Maximum thickness Weight Power supply voltage, normal operation Voltage Ripple Voltage must always stay within a normal operating range, ripple included Power consumption Radio specifications Frequency range Maximum RF output power Antenna impedance SIM card 3 V or 5 V...

  • Page 64: Environmental Specifications

    Environmental specifications Operating temperature range (full specification) Operating temperature range (working) Storage temperature range Maximum relative humidity Stationary vibration, sinusoidal Stationary vibration, random Non-stationary vibration, including shock Bump Free fall transportation Rolling pitching transportation Static load Low air pressure/high air pressure Data Storage SMS storage capacity...

  • Page 65: Declaration Of Conformity

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

  • Page 66: Developer's Kit

    Developer’s Kit Product Photo/Illustration...

  • Page 67: Introduction To The Developer's Kit

    If any of the items are missing contact your supplier immediately. Developer’s kit - Part Number DPY 102 225 Description Radio Device: GR47 or GR48 GR47/GR48 developer’s kit (box and development board) Switched mode PSU 12 V d.c. UK mains plug European mains plug USA mains plug...

  • Page 68: General Functioning Of The Kit

    13. INTRODUCTION TO THE DEVELOPER’S KIT 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 switches and jumpers in their default positions).
  • Page 69 13. INTRODUCTION TO THE DEVELOPER’S KIT 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. LZT 123 7589 R1A On/Off & PSU Control GPIO DAC / ADC 1 - 5 TX_ON VRTC Figure 13.2 Miscellaneous signals, connection and routing...
  • Page 70 13. INTRODUCTION TO THE DEVELOPER’S KIT LZT 123 7589 R1A DSR, RI, DTR, CTS, RTS, DCD TD, RD TD2, RD2 TD3, RD3 SERVICE Figure 13.4 Comms signals, connection and routing UART1 Flow Control UART SERVICE LED...

  • Page 71: Using The Developer's Kit

    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 shown below. Use a flat blade screwdriver to unhinge the side clips of the kit and lift the plastic lid off to access the inside.

  • Page 72: Start Up Check List

    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;...

  • Page 73: Developer's Board Overlay

    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). ATMS LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT SHDN WAKE BAUD PORT SRVC Figure 14.3 Developer’s board overlay SHDN...

  • Page 74: Jumpers

    14.3 Jumpers All jumpers are located on the developer’s board (see “Developer’s board overlay”, page 73). Jumper INT/EXT TO_IN SHDN VRTC Jumper SRVC PORT TD2/TD3 RD2/RD3 LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Default Description Selects which voltage path supplies the DK support circuitry (not the supply to the radio device).
  • Page 75 Jumper WAKE BAUD SHDN LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Default Description When fitted, the serial port driver IC disables the receiver buffers that normally drive UART signals into the radio device. This will prevent the radio device from receiving data through the serial port.
  • Page 76 Jumper BUZZER Jumper LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Default Description To OUT To enable analog audio microphone path ULD must be connected to OUT using the jumper. To ULD To enable analog audio microphone path OUT must be connected to ULD using the jumper.
  • Page 77 DATA LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Fitted Connects serial port control signal DCD between UART connector X4 and radio device. Note: DCD is a dual function signal from the radio device. When this signal is being used for any other purpose (e.g.

  • Page 78: Switches

    14.4 Switches All switches are mounted on the front panel of the developer’s box. Switch (SW1) ON/OFF (SW2) LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Default Description This switch chooses the voltage source that the radio device will use. The default state N/C makes the voltage path to the radio device open circuit.

  • Page 79: Headers

    14.5 Headers Header KEYPAD C GPIO ATMS LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Connections Description ULD, DLD, Carries digital audio PCM signals for access by OUT, IN, SYN, user application. Note: In order for analog audio to be created internally by the radio device, signal ULD must be connected to OUT for the MIC path and signal DLD must be connected to IN for the EAR...

  • Page 80: Connectors

    14.6 Connectors Connector RADIO DEVICE ‘X1’ APPLICATION ‘X2’ APPLICATION ’X3’ UART 'X4’ 'X5’ LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Type Description 60 PinDual The radio device is 'plugged-in' to the Row0.05” development kit. This allows direct connection pitch of the module to the development board.
  • Page 81 Connector Handset ‘X6’ 'X7' 'X8' 5 - 32V DC 'X9' LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Type Description RJ9 socket 1 2 3 4 “DLD to IN” using jumper links on the PCM header. Note: The PCM links to enable analog audio are fitted by default but may have been removed during customer development.

  • Page 82: Led Indicators

    Connector EXT VCC 14.7 LED Indicators (Colour) Status (Green) (Yellow) SRVC (Red) (Green) LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Type Description 3 pin This connector carries three signals: Circular EXT VCC (1); CHG_IN (3); GND (2). (These signals are wired into PCB holes labelled EXT, CHG, GND respectively).EXT VCC must be a +3.6VDC source capable of...

  • Page 83: System Connector Pin Assignments

    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. LZT 123 7589 R1A 14.

  • Page 84: Power Supply

    X1 pin numbering viewed from the front of the developer's kit. DSR / KEYCOL3 / OUT3 DCD / KEYCOL1 / OUT1 Figure 14.6 Application Interface Connector (X2 and X3) - Pin Assignment LZT 123 7589 R1A 14. USING THE DEVELOPER’S KIT Audio UART Buzzer...

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