Motorola AT Commands G24-L Informazioni Techniche

Technical InformationMotorola G24-L and G24-LC Developer’s GuideModule Hardware DescriptionNOVEMBER 15, 20086802984C05-D

Acr & Abbr-2 G24-L Module Hrdware Description November 15, 2008E EMCElectromagnetic CompatibilityE EOTDEnhanced Observed Time DifferenceE EPOSEle

Acronyms and Abbreviations November 15, 2008 G24-L Module Hrdware Description Acr & Abbr-3P PDUPacket Data UnitP PLLPhase-locked LoopP PTCRBPCS-1

Acr & Abbr-4 G24-L Module Hrdware Description November 15, 2008U UARTUniversal Asynchronous Receiver TransmitterU USBUniversal Serial BusU USSDUn

November 15, 2008 G24-L Module Hardware Description Index-1IndexAAntenna Installation, xiApprovalsRegulatory, 5BBlock Diagram Description, 7EEnvironm

Index U - U Index-2 G24-L Module Hardware Description November 15, 2008

@6802984C05@6802984C05-DMOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names ar

November 15, 2008 G24-L Module Hardware Description vii1-1 Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

November 15, 2008 G24-L Module Hardware Description ixPrefaceNote: All references to G24-L also apply to G24-LC, except where otherwise noted.Manual S

Applicable Documentsx G24-L Module Hardware Description November 15, 2008Applicable Documents• G24-L Developer's Kit - 6802984C10• G24-L AT Comm

Preface November 15, 2008 G24-L Module Hardware Description xi• Systems using the G24-L are subject to mandatory EMC testing under directive 2004/108

Standardsxii G24-L Module Hardware Description November 15, 2008StandardsElectromagnetic Compatibility: Principles and Applications by David A Weston

Preface November 15, 2008 G24-L Module Hardware Description xiiiText ConventionsThe following special paragraphs are used in this guide to point out

Field Servicexiv G24-L Module Hardware Description November 15, 2008Field ServiceFor Field Service requests, use this email address:n2csfs01@motorola

Preface November 15, 2008 G24-L Module Hardware Description xvDo not substitute parts or modify equipmentBecause of the danger of introducing additio

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICENoticeWhile reasonable efforts have been made to assure the accuracy of this document, Motorola, Inc. a

Caring for the Environmentxvi G24-L Module Hardware Description November 15, 2008Caring for the EnvironmentThe following information is provided to e

Preface November 15, 2008 G24-L Module Hardware Description xviiCMM ComplianceThe disclosure table and symbols below are provided in accordance with

Warranty Notificationxviii G24-L Module Hardware Description November 15, 2008MOTOROLA has been informed of such potential loss or damage. And in no

Preface November 15, 2008 G24-L Module Hardware Description xixcustomer service department of your service provider or Motorola's service center

What is Not Covered by the Warrantyxx G24-L Module Hardware Description November 15, 2008What is Not Covered by the WarrantyThis warranty is not vali

Preface November 15, 2008 G24-L Module Hardware Description xxiRevision HistoryManual Number6802984C05-DManual TitleG24-L Module Hardware Description

Revision Historyxxii G24-L Module Hardware Description November 15, 2008

November 15, 2008 G24-L Module Hardware Description 1Chapter 1: IntroductionThe G24-L is the newest member of Motorola's embedded cellular module

Product Specifications2 G24-L Module Hardware Description November 15, 2008Product SpecificationsImportant: For safety regulations and requirements,

November 15, 2008 G24-L Module Hardware Description 3EnvironmentalOperational temperature: -20°C to +75°CStorage temperature: -40°C to +85°CPerform

Usage and Disclosure RestrictionsLicense AgreementsThe software described in this document is the property of Motorola, Inc. and its licensors. It is

Product Specifications4 G24-L Module Hardware Description November 15, 2008GSM Supplementary ServiceUSSD Phase IICall forwardingCall hold, waiting an

November 15, 2008 G24-L Module Hardware Description 5Regulatory ApprovalsThe G24-L module has been tested and approved under the standards and regul

Regulatory Approvals6 G24-L Module Hardware Description November 15, 2008CFR 47 Part 15.21 Information to userThe user's manual or instruction m

November 15, 2008 G24-L Module Hardware Description 7Chapter 2: Hardware Interface DescriptionThe following paragraphs describe in details the hardwar

Architecture Overview8 G24-L Module Hardware Description November 15, 2008The G24-L consists of the following blocks:Digital Block• Micro-controller

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 9Operating ModesG24-L incorporates several operating mo

Power Supply10 G24-L Module Hardware Description November 15, 2008Power SupplyThe G24-L power supply must be a single external DC voltage source of 3

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 11It is recommended that the voltage drops during a tra

Power Supply12 G24-L Module Hardware Description November 15, 2008IGPRS-RMSAverage currentGPRS Class 10 -2 TX slot3 Rx slot850/900 (PCL 5)1800/1900 (

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 13Power On/Off OperationThe G24-L power on and off proc

Power On/Off Operation14 G24-L Module Hardware Description November 15, 2008Figure 2-3 illustrates the power-on process using the ON_N signal.Figure

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 15Turning the G24-L OffThere are several ways to turn t

Power On/Off Operation16 G24-L Module Hardware Description November 15, 2008Figure 2-6 illustrates the power-off timings when using the IGN signal.Fi

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 17Low Power ModeThe G24-L incorporates an optional low

Low Power Mode18 G24-L Module Hardware Description November 15, 2008Important: G24-L will not enter low power mode when USB is operating. Connecting

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 19Temporary Termination of Low Power ModeTemporary term

Low Power Mode20 G24-L Module Hardware Description November 15, 2008Data on the Serial interfaceWhile G24-L is temporarily awake in Idle mode, data m

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 21Real Time ClockG24-L incorporates a Real Time Clock (

Serial Interfaces22 G24-L Module Hardware Description November 15, 2008Serial InterfacesG24-L includes two completely independent serial communicatio

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 23USB InterfaceG24-L incorporates a standard Universal

November 15, 2008 G24-L Module Hardware Description iManual Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SIM Interface24 G24-L Module Hardware Description November 15, 2008SIM ConnectionFigure 2-13 illustrates a typical SIM interface connection to G24-L.

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 25• A 100Ω series resistor must be placed on the SIM_CL

Audio Interface26 G24-L Module Hardware Description November 15, 2008Audio InterfaceThe G24-L audio interface supports several audio devices and oper

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 27Figure 2-15 shows the microphone circuit and Table 2-

Audio Interface28 G24-L Module Hardware Description November 15, 2008Figure 2-16 shows the microphone circuit and Table 2-7 gives the microphone spec

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 29Figure 2-17 shows a differential speaker circuit, Fig

Audio Interface30 G24-L Module Hardware Description November 15, 2008Important: When implementing a single ended speaker design, it is required to pl

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 31Alert Loudspeaker PortThe alert loudspeaker is the de

Audio Interface32 G24-L Module Hardware Description November 15, 2008Important: When implementing a single ended loudspeaker design, it is required t

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 33Important: In digital audio mode the input and output

Table of Contentsii G24-L Module Hardware Description November 15, 2008Turning the G24-L Off . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Audio Interface34 G24-L Module Hardware Description November 15, 2008Advanced ModeAdvanced audio mode utilizes G24's unique set of AT commands f

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 35Figure 2-22 describes the audio programming interface

Audio Interface36 G24-L Module Hardware Description November 15, 2008Gain ControlThe amplification (gain) level for each input and output device can

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 37.Audio DesignThe audio quality delivered by G24-L is

Audio Interface38 G24-L Module Hardware Description November 15, 2008Analog GroundThe G24-L interface incorporates a dedicated analog ground contact,

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 39A/D InterfaceThe G24-L includes 4 Analog to Digital C

A/D Interface40 G24-L Module Hardware Description November 15, 2008Important: In the G24-LC Charger Model configuration, the ADC3 signal is allocated

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 41This function is described in detail in “Battery Char

Controls and Indicators Interface42 G24-L Module Hardware Description November 15, 2008Controls and Indicators InterfaceThe G24-L incorporates severa

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 43Important: The VREF regulator is powered from the G24

Table of ContentsNovember 15, 2008 G24-L Module Hardware Description iiiBattery Charging Process . . . . . . . . . . . . . . . . . . . . . . . . . .

Controls and Indicators Interface44 G24-L Module Hardware Description November 15, 2008this signal as an indication to switch from low power mode to

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 45Antenna DetectionThe G24-L incorporates an internal a

Antenna Interface46 G24-L Module Hardware Description November 15, 2008Antenna InterfaceThe G24-L antenna connector is the RF interface to the GSM ne

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 47Battery Charger InterfaceGeneralG24-LC incorporates a

Battery Charger Interface48 G24-L Module Hardware Description November 15, 2008The battery and charger interface signals are described in the table b

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 49The following table describes the battery charger spe

Battery Charger Interface50 G24-L Module Hardware Description November 15, 2008Monitoring (Full)When the battery is fully charged and reaches above 4

Chapter 2: Hardware Interface Description November 15, 2008 G24-L Module Hardware Description 51Protection and SafetyThe G24-LC battery Charger Inter

Battery Charger Interface52 G24-L Module Hardware Description November 15, 2008

November 15, 2008 G24-L Module Hardware Description 53Chapter 3: Electrical and Environmental SpecificationsAbsolute Maximum RatingsTable 3-1 gives th

Environmental Specifications54 G24-L Module Hardware Description November 15, 2008Environmental SpecificationsTable 3-2 gives the environmental opera

Chapter 3: Electrical and Environmental Specifications November 15, 2008 G24-L Module Hardware Description 55Table 3-3: Interface SpecificationsPin #

Application Interface Specifications56 G24-L Module Hardware Description November 15, 2008UART:21 TXD_N UART1 TXD I L 100K PUVIHVILVOHVOLIOUT < 4

Chapter 3: Electrical and Environmental Specifications November 15, 2008 G24-L Module Hardware Description 57Digital Audio:18 PCM_DINDigital audio re

Application Interface Specifications58 G24-L Module Hardware Description November 15, 2008GPIO:28 GPIO1 General pur-pose I/OI/O 22K PUVIHVILVOHVOLIOU

Chapter 3: Electrical and Environmental Specifications November 15, 2008 G24-L Module Hardware Description 59Note 1:Per USB Specifications Rev 1.1.No

Application Interface Specifications60 G24-L Module Hardware Description November 15, 2008

November 15, 2008 G24-L Module Hardware Description 61Chapter 4: Mechanical SpecificationsBoard DimensionsFigure 4-1 describes the G24-L mechanical ch

Interface Connector Specifications62 G24-L Module Hardware Description November 15, 2008Interface Connector SpecificationsThe G24-L uses a single 70-

Chapter 4: Mechanical Specifications November 15, 2008 G24-L Module Hardware Description 63Mating ConnectorThe mating connector incorporate the same

November 15, 2008 G24-L Module Hardware Description v2-1 G24-L Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RF Connector Specifications64 G24-L Module Hardware Description November 15, 2008RF Connector SpecificationsThe G24-L uses a standard MMCX receptacle

Chapter 4: Mechanical Specifications November 15, 2008 G24-L Module Hardware Description 65Such a cable assembly example is the Huber-Suhner PN 11_MM

G24-L Mounting66 G24-L Module Hardware Description November 15, 2008G24-L MountingThe G24-L incorporates 2 mechanical holes for installing the module

November 15, 2008 G24-L Module Hardware Description 67Chapter 5: Service and TestingServiceThis section provides contact information for any possible

Service68 G24-L Module Hardware Description November 15, 2008• Software version of the unit (ATI8 command) or model number• PCB version (located on t

Chapter 5: Service and Testing November 15, 2008 G24-L Module Hardware Description 69Service CentersMotorola Electronics Taiwan PCS11F, No, 296, Sec.

Testing a Standalone Unit70 G24-L Module Hardware Description November 15, 2008Testing a Standalone UnitThis section describes how to perform a G24-L

Chapter 5: Service and Testing November 15, 2008 G24-L Module Hardware Description 716. Open a second terminal window and configure it to operate wit

Testing a Standalone Unit72 G24-L Module Hardware Description November 15, 2008Test ProcedureTo Perform the G24-L TestFollow the procedure below to p

November 15, 2008 G24-L Module Hrdware Description Acr & Abbr-1Acronyms and Abbreviations Abbreviation Full NameA AMRAdaptive Multi RateA AOCAdv