Huawei MG323 manual UART1 UART1RD, UART1RIN, UART1DSR UART1RTS UART1DTR UART1CTS UART1DCD

Page 39

 

HUAWEI MG323 GSM M2M Module

 

 

 

Hardware Guide

 

 

Electrical and Reliability Features

 

 

 

 

 

 

 

 

Function

Signal Name

I/O

Waveform and

Remarks

 

 

 

 

 

Level

 

 

 

 

SIM_CLK

O

VoHmin=2.03 V

Clock signal of the SIM card

 

 

 

 

 

VoLmax=0.58 V

 

 

 

 

VSIM

P

VoHmax=3.00 V

Power voltage of the SIM card

 

 

 

 

 

Votype=2.90 V

 

 

 

 

 

 

VoHmin=2.75 V

 

 

 

 

GND

-

 

GND of the SIM card

 

 

 

 

 

 

 

 

 

SIM card

SIM_RST

O

VoHmin=1.44 V

Reset signal of the SIM card

 

 

interface

 

 

VoLmax=0.36 V

 

 

 

(Class C)

 

 

 

 

 

SIM_DATA

I/O

VoHmin=1.26 V

Data signal of the SIM card

 

 

 

 

 

 

 

 

VoLmax=0.3 V

 

 

 

 

 

 

VILmax=0.36 V

 

 

 

 

 

 

VIHmin=1.26 V

 

 

 

 

SIM_CLK

O

VoHmin=1.26V

Clock signal of the SIM card

 

 

 

 

 

VoLmax=0.36V

 

 

 

 

VSIM

P

VoHmax=1.95 V

Power voltage of the SIM card

 

 

 

 

 

Votype=1.80 V

 

 

 

 

 

 

VoHmin=1.65 V

 

 

 

 

GND

-

 

GND of the SIM card

 

 

 

 

 

 

 

 

 

UART1

UART1_RD

O

VoLmax=0.10 V

This interface can be used to transmit AT

 

 

communicatio

 

 

VoHmin=2.70 V

commands and data.

 

 

UART1_TD

I

 

n interface

 

 

 

VILmax=0.40 V

 

 

 

 

UART1_RIN

O

 

 

 

 

VIHmin =2.40 V

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UART1_DSR

O

 

 

 

 

 

 

 

 

 

 

 

 

UART1_RTS

I

 

 

 

 

 

 

 

 

 

 

 

 

UART1_DTR

I

 

 

 

 

 

 

 

 

 

 

 

 

UART1_CTS

O

 

 

 

 

 

 

 

 

 

 

 

 

UART1_DCD

O

 

 

 

 

 

 

 

 

 

 

 

Analog audio

EXTMIC_N

AI

 

Negative end of differential headset MIC input

 

 

interface

 

 

 

through channel 2

 

 

 

 

 

 

 

 

 

 

EXTMIC_P

AI

 

Positive end of differential headset MIC input

 

 

 

 

 

 

through channel 2

 

 

 

 

 

 

 

 

 

 

INTMIC_P

AI

 

Positive end of differential handset MIC input

 

 

 

 

 

 

through channel 1

 

 

 

 

 

 

 

 

Issue 06 (2013-06-13)

Huawei Proprietary and Confidential

39

Copyright © Huawei Technologies Co., Ltd.

 

 

Page 38 Page 40
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Page 38 Page 40
Contents Hardware Guide Issue DateNo Warranty Creation About This DocumentHistory Version Date Chapter DescriptionsVersion Date Chapter Descriptions Updated .8 Audio Interface Updated -3 RecommendedSpecifications of the antenna interface Contents Electrical and Reliability Features Overview IntroductionFunction Overview Feature DescriptionOverall Description About This ChapterGprs Gprs Class DRX=2DRX=5 DRX=9 SMSCircuit Block Diagram Application Block Diagram2Circuit block diagram of the MG323 module Description of the Application Interfaces B2B Connector InterfaceMin Tpy Max Pin Pin Name Description DC Characteristics NormalLedstatus ResetTermon UART1DCDVbat Power InterfaceOverview VIODCE Pin No Signal Name DescriptionVbat Interface GND VcoinPower-On and Power-Off Time Sequence Vcoin InterfaceVIO Interface Power-On Time Sequence Pin for controlling power-on and power-offPin for resetting the hardware Signal Control Interface Power-Off Time SequenceReset Pin for network status LED Input Signal Control PinsOutput Signal Control Pin Application DeviceWorking or Network Status Uart Interface Pin No Signal Name Description Feature DirectionDCE data set DCE is ready DCE to DTE Ready Circuit Recommended for the Uart InterfaceDCE receive DTE transmits DTE to DCE Data Serial data DCE data DTE is ready DTE to DCE Terminal readyReset signal of the SIM card Clock signal of the SIM cardPower supply of the SIM card Data signal of the SIM cardCircuit Recommended for the SIM Card Interface Ground signal of the SIM cardAudio Interface 12External circuit for 32 Ω handsets/16 Ω headsets13External circuit for the microphone interface Antenna Interface Antenna InstallationEnvironmental Type Material Condition Coaxial Cable and RF ConnectorHuawei MG323 GSM M2M Module Hardware Guide Antenna Interface Uplink frequency range GSM 824 849 MHz RF Specifications of the Antenna InterfaceSpecification Minimum Typical Maximum Unit Value ESD Protection for the Antenna InterfaceSpecification Minimum Typical Maximum Unit Value Polarization Linear polarization Pattern Omnidirectional Specifications of the Antenna InterfaceExtreme Working Conditions Electrical and Reliability FeaturesSymbol Specification Minimum Value Maximum Value Unit External power voltageElectrical Criteria of Application Interfaces Operating and Storage Temperatures and HumiditySpecification Minimum Value Maximum Value Unit Pin No Signal NameThan 3.3 Function Signal Name Waveform Remarks LevelPower supply Voltage great drop. The Vbat power voltageLedstatu Pins 41, 43, 45, 47, and 49 are power GND ExternalPower pin VBAT=0UART1 UART1RD UART1RINUART1DSR UART1RTS UART1DTR UART1CTS UART1DCD Parameter Minimum Value Typical Value Maximum Value Unit Power Supply FeaturesInput Power Supply Working CurrentWorking Mode Typical value Unit Remark ConfigurationBand Typical Unit Test Condition Standard Reliability FeaturesConfiguration Value Up/1 Down 123Test Condition Standard ESD Features ESD Test Standard Contact Discharge Air DischargeEN61000-4-2 ±4 kV ±8 kV Mechanical Specifications DimensionsDimensions L x W x H 35 mm x 32.5 mm x 3.05 mm 1Dimensions of the MG323 module unit mm Dimensions of the B2B ConnectorModel Stacking HRS Number Height mm 5Structure fixing hole MG323 Module Installation Description6MG323 module installation 7Machine screw dimensions Specification Selection for Fasteners8Nut dimensions 1Circuits of typical interfaces in the MG323 module Appendix a Circuits of Typical InterfacesAcronym or Abbreviation Expansion Appendix B Acronyms and AbbreviationsRTC PbcchPCB PDU
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