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Telit Wireless Solutions manual GE864 Hardware User Guide

Models: GE864

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GE864 Hardware User Guide

1vv0300694 Rev.10 - 10/06/08

An example of switching regulator with 12V input is in the below schematic (it is split in 2 parts):

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Telit Wireless Solutions manual GE864 Hardware User Guide

Contents

GE864 Hardware User Guide GE864 Hardware User Guide This document is relating to the following productsContents 10.3 10.110.2 10.4Safety Recommandations Packing systemDisclaimer Overview GE864-QUAD / PYGE864 Mechanical Dimensions Length 30 mm Width ThicknessGE864 module connections PIN-OUTGpio Reserved Vbatt BGA Balls Layout TOP ViewReserved Hardware Commands Turning on the GE864-QUAD / PY10k Hardware shutdown Turning OFF the GE864-QUAD / PYHardware Unconditional Restart 10k Power Supply Power Supply RequirementsGeneral Design Rules Electrical Design Guidelines1.2 + 12V input Source Power Supply Design Guidelines GE864 Hardware User Guide Battery Source Power Supply Design Guidelines Battery Charge control Circuitry Design Guidelines GE864 Hardware User Guide Thermal Design Guidelines Power Supply PCB layout Guidelines Antenna GSM Antenna RequirementsGSM Antenna PCB line Guidelines Antenna Line on PCB RequirementsGSM Antenna Installation Guidelines Absolute Maximum Ratings -Not Functional Logic level specificationsCurrent characteristics Operating Range Interface levels 2.8V CmosSignal Function Bga Ball Reset signalSignal Min Max Absolute Maximum Ratings -Not Functional ParameterMin Max Serial PortsOperating Range Interface levels 2.8V Cmos Level Min Max Signals of the GE864 serial port are RS232 level translation GE864 Hardware User Guide 5V Uart level translation GE864 Hardware User Guide Audio Section Overview External AmplifierInput Lines Microphone Short descriptionInput Lines Characteristics Micmt 1st differential microphone pathOutput Lines Speaker Output Lines Characteristics External SIM Holder ImplementationGeneral Purpose I/O OnoffPict01 Absolute Maximum Ratings -Not Functional Parameter Min Max Gpio Logic levelsOperating Range Interface levels 1.8V Cmos Level Min Max Using a Gpio Pad as Input Using a Gpio Pad as OutputUsing the Rftxmon Output GPIO5 Using the RF Transmission Control GPIO4Using the Alarm Output GPIO6 Using the Buzzer Output GPIO7 AT#SRP=3Magnetic Buzzer Concepts Short DescriptionFrequency Behaviour Power Supply InfluenceWorking Current Influence Using the Temperature Monitor Function Allowed GpioIndication of network service availability LED status Device StatusVAUX1 power output RTC Bypass outDescription DAC and ADC sectionDAC Converter Min Max UnitsEnabling DAC Command is AT#DAC=enable,valueLow Pass Filter Example Using ADC Converter ADC ConverterMounting the GE864 on your Board Module finishing & dimensions12.1General Recommended foot print for the application GE864 Top ViewSuggested Inhibit Area Top ViewDebug of the GE864 in production StencilBall pitch mm Solder resist opening diameter a mm PCB pad designMetal pad diameter B mm Lead free Solder pasteFinish Layer thickness µm Properties Solder paste Sn/Ag/Cu12.1.8 GE864 Solder reflow Following is the recommended solder reflow profilePacking system 12.2.1 GE864 orientation on the tray Moisture sensibility Conformity Assessment Issues Safety Recommandations Document Change Log Revision Date Changes