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MMCModem

™

GPRS

Embedded Wireless Modem

MTMMC-G-F4

Developer's Guide

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Содержание MMCModem MTMMC-G-F4

Страница 1: ...MMCModem GPRS Embedded Wireless Modem MTMMC G F4 Developer s Guide...

Страница 2: ...d band Changed the Power Usage data C 06 04 08 Incorporate a new mechanical drawing Remove the Hazardous Locations statement D 06 01 09 Added a link to Multi Tech Web site that links to the Multi Tech...

Страница 3: ...terface 17 BOOT Electrical Interface 18 Reset Signal RST Electrical Interface 19 Flashing LED Electrical Interface 20 General Purpose Input Output Electrical Interface 20 Analog to Digital Converter E...

Страница 4: ...eral Devices 34 Antenna System 34 SIM Card Holder 35 Where to Find SMD Connectors 36 Appendix B Compliance Statements 37 Waste Electrical and Electronic Equipment Statement 37 Restriction of the Use o...

Страница 5: ...m is based on industry standard open interfaces and can be board to board or board to cable mounted AT Command Information AT commands for the MMCModem GPRS wireless modem are published in separate Re...

Страница 6: ...ellular network and is illegal Failure to observe this instruction may lead to suspension or denial of cellular telephone services to the offender or legal action or both Switch OFF your wireless MMCM...

Страница 7: ...rated With this guidance the OEM will be able to incorporate into their documentation the necessary operating conditions and warnings OEMs need to provide a manual with the final product that clearly...

Страница 8: ...y 20 to 90 non condensing Operating Voltage 5 VDC 5 1A Power Requirements Typical 400mA Maximum Peak Current 1 4A Note The supply does not have to provide a constant high current but must accommodate...

Страница 9: ...t Message Services SMS Features Text and PDU Point to Point MT MO SMS Cell broadcast AT command compatible Remote control by AT Commands Advanced Management Features Phonebook management Fixed dialing...

Страница 10: ...Inc MMCModem GPRS Developer s Guide S000445D 10 Chapter 2 Mechanical Drawing The MMCModem GPRS is encased as shown in the figure below It includes an RF modem a 50 pin connector a SIM holder and an R...

Страница 11: ...eristics of the various interfaces of the MMCModem Electrical interfaces on the 50 pin general purpose connector power and data signaling Power Supply Pin and Power Supply Consumption Serial Link ON O...

Страница 12: ...Chapter 3 Electrical Characteristics Multi Tech Systems Inc MMCModem GPRS Developer s Guide S000445D 12 50 Pin Connector Interface Pin Numbering Top View Pin Numbering Bottom View...

Страница 13: ...Microphone 1 positive input 21 GND I Ground 22 MIC1N I Analog Microphone 1 negative input 23 BOOT I BOOT Open Collector 24 GND GROUND High Current 25 CT103 TX I Transmit Data 26 GPIO0 I O CMOS 2X Gen...

Страница 14: ...rameter I O Type Min Max Condition Vinput low CMOS 0 5V 0 8V Vinput high CMOS 2 1V 3 0V Serial Inputs 2 1V 5 0V Voutput low 1X 0 2V IOL 1mA 2X 0 2V IOL 2mA 3X 0 2V IOL 3mA Voutput high 1X 2 6V IOH 1mA...

Страница 15: ...Current 4 5V Ground High Current 6 GND Ground High Current 21 GND Ground High Current 24 GND Ground High Current Power Consumption of the Power Supply Electrical Interface Power Consumption in E GSM90...

Страница 16: ...CT104 RX 28 O 1X Receive serial data CT105 RTS 30 I CMOS Ready to send CT106 CTS 13 O 1X Clear to send CT107 DSR 27 O 1X Data set ready CT108 2 DTR 29 I CMOS Data terminal ready CT109 DCD 5 O CMOS 2X...

Страница 17: ...The level of the voltage of this signal has to be maintained to VCC during a minimum time of 1 second When powered off the shutdown current is roughly 60 microamperes ON OFF Pin Description Signal Pi...

Страница 18: ...during the power ON of the modem In normal mode this pin has to be left open If used this input has to be driven by an open collector or an open drain Boot Procedure BOOT Pin 23 Switch BOOT If Switch...

Страница 19: ...open If used emergency reset it has to be driven by an open collector or an open drain See below an example of application diagram Reset Signal Pin Reset Pin 19 Switch Reset If switch Reset 1 Reset pi...

Страница 20: ...Purpose I O 0 See Operating Conditions in section on the 50 pin Connector Description All digital I O complies with 3Volts CMOS You can access write or read the GPIO value via AT WIOW and AT WIOR See...

Страница 21: ...he microphone 2 has to be around 2K These inputs are the standard ones for a handset design while MIC1 inputs can be connected to an external headset or a hands free kit The gain of MIC2 inputs is int...

Страница 22: ...ath The gain of MIC1 inputs is internally adjusted The gain can be tuned from 30dB to 51dB The gain can be tuned using the AT VGR command C1 C2 R1 R2 R3 R4 Vcc analog power supply 2 8 V MIC1P MIC1N Di...

Страница 23: ...lane a very good filtering as well as shielding in order to avoid any disturbance on the audio path SPK2P C1 Differential Connection SPK2P SPK2N Single Ended Connection Speaker Output Drawing for SPK2...

Страница 24: ...ground plane a very good filtering as well as a shielding in order to avoid any disturbance on the audio path SPK1P C1 Differential Connection SPK1P SPK1N Single Ended Connection Speaker Output Drawi...

Страница 25: ...vent any Electro Static Discharge TVS diodes with low capacitance less than 10pF are connected on SIMCLK and SIMDATA to avoid any disturbance of the rising and falling edge SIM Interface Pin Descripti...

Страница 26: ...e S000445D 26 SIM Socket Pin Description Signal Pin Description Vcc 1 SIMVCC RST 2 SIMRST CLK 3 SIMCLK CC4 4 R10 to Ground GND 5 Ground VPP 6 not connected I O 7 SIMDATA CC8 8 SIMPRES1 GND SIMVCC IK 1...

Страница 27: ...onnections 5 rows R0 to R4 and 5 columns C0 to C4 The scanning is a digital one and the de bouncing is done in the integrated modem No discrete components like R C Resistor Capacitor are needed It is...

Страница 28: ...ing LED signal is used to indicate the working mode of the MMCModem LEDs and the MMCModem Status LED Indication MMCModem Status OFF Download mode or switched OFF ON Permanent Switched ON not registere...

Страница 29: ...ransmitter Maximum output power EGSM GSM850 33 dBm 2 dB at ambient temperature Maximum output power GSM1800 PCS1900 30 dBm 2 dB at ambient temperature Minimum output power EGSM GSM850 5 dBm 5 dB at am...

Страница 30: ...Chapter 5 Test Board Multi Tech Systems Inc MMCModem GPRS Developer s Guide S000445D 30 Chapter 5 Test Board Serial Test Demo Board Components Serial Test Demo Board Components...

Страница 31: ...Chapter 5 Test Board Multi Tech Systems Inc MMCModem GPRS Developer s Guide S000445D 31 Serial Test Demo Board Block Diagram Block Diagram for the MMCModem GPRS Developer Board...

Страница 32: ...rdered with a default band of 850 1900 MHz or 900 1800 MHz 850 1900 MHz The wireless modem defaulting to 850 1900 MHz is identified with F4 in the product ordering number Example MTMMC G F4 This build...

Страница 33: ...ust be used through the implementation of the serial link level shifter See Level Shifter Application Diagram for Serial Link Terminal Emulator Setup Here below is an example based on the Windows Hype...

Страница 34: ...to 894 MHz 925 to 960 MHz 1805 to 1880 MHz 1930 to 1990 MHz Frequency TX 824 to 849 MHz 880 to 915 MHz 1710 to 1785 MHz 1850 to 1910 MHz RF Power Stand 2W at 12 5 duty cycle 2W at 12 5 duty cycle 1W...

Страница 35: ...em Antenna 1 ANF1 1HRA Hinged Right Angle 900 1800 MHz Cellular Modem Antenna 10 ANF1 10HRA Hinged Right Angle 900 1800 MHz Cellular Modem Antenna 50 ANF1 50HRA Hinged Right Angle 800 1900 MHz Cellula...

Страница 36: ...Many SAMTEC products are available via SAMTEC dealers throughout the world High and Low Profile Connectors SAMTEC Reference Number for High Profile Connector FLE 125 01 G DV SAMTEC Reference Number f...

Страница 37: ...distributors retailers and importers are obliged to finance the costs of recovery from municipal collection points reuse and recycling of specified percentages per the WEEE requirements Instructions f...

Страница 38: ...PPM Hexavalent Chromium Cr 6 1000 PPM Cadmium Cd 100 PPM Polybrominated Biphenyl PBB 1000 PPM Polybrominated Diphenyl Ether PBDE 1000 PPM Moisture Sensitivity Level MSL 1 Tin Whisker Growth None detec...

Страница 39: ...CR6 Polybrominate d Biphenyl PBB Polybrominate d Diphenyl Ether PBDE Printed Circuit Boards O O O O O O Resistors X O O O O O Capacitors X O O O O O Ferrite Beads O O O O O O Relays Opticals O O O O O...

Страница 40: ...nese Standards in Chinese MII EIP 39 RoHS Multi Tech Systems Inc TS HS PB Hg CD CR6 PBB PBDE O O O O O O X O O O O O X O O O O O O O O O O O O O O O O O IC O O O O O O O O O O O O X O O O O O O O O O...

Страница 41: ...IP stack 9 EMC protection 32 ESD protection 32 Explicit Call Transfer 8 F flashing LED signal 20 28 G gain 22 H handset 21 I Input Output Electrical Interface 20 Interference 6 K keypad Electrical Int...

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