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Note d’étude / Technical document : URD1 – 5625.1 – 006 / 69796 Edition 03
Document Sagem Communication Reproduction et divulgation interdites
Sagem Communication document. Reproduction and disclosure prohibited
Direction des Recherches et des Développements Etablissement de VELIZY
VELIZY R&D Center
SOMMAIRE / CONTENTS
1OVERVIEW ...................................................................................................................................................................6
1.1 OBJECT OF THE DOCUMENT .......................................................................................................................................6
1.2 REFERENCE DOCUMENTS ...........................................................................................................................................6
1.3 MODIFICATION OF THIS DOCUMENT...........................................................................................................................6
1.4 FCC COMPLIANCE.....................................................................................................................................................6
2BLOCK DIAGRAM.......................................................................................................................................................7
3FUNCTIONAL INTEGRATION .................................................................................................................................8
3.1 HOW TO CONNECT A SIM CARD ?:.............................................................................................................................8
3.1.1 SIM on the Board to Board Connector.............................................................................................................9
3.1.1.1 Without SIM card detection ......................................................................................................................................... 10
3.1.1.2 With SIM card detection .............................................................................................................................................. 11
3.1.2 SIM holder soldered on the back of the MO300.............................................................................................12
3.1.2.1 Schematics.................................................................................................................................................................... 12
3.1.2.2 Placing.......................................................................................................................................................................... 13
3.2 HOW TO CONNECT THE AUDIOS? .........................................................................................................................14
3.2.1 Using a differential Handset mode on the main audio path...........................................................................14
3.2.1.1 Notes for microphone ................................................................................................................................................... 15
3.2.1.2 Notes for speaker.......................................................................................................................................................... 15
3.2.2 Non differential audio handset .......................................................................................................................16
3.2.3 Using a mono Headset mode on the secondary audio path............................................................................17
3.2.4 Audio interface selection ................................................................................................................................17
3.2.5 Multi Channel Serial Interface .......................................................................................................................17
3.2.6 Characteristics of the microphone and speaker recommended by SAGEM ...................................................18
3.2.6.1 Characteristics of the microphone recommended by SAGEM ..................................................................................... 18
3.2.6.2 Characteristics of the dual mode speaker recommended by SAGEM .......................................................................... 18
3.3 NETWORK LEDS.....................................................................................................................................................18
3.3.1 Network LEDs connection. .............................................................................................................................19
3.3.2 Network LEDs behaviour. ..............................................................................................................................19
3.4 POWER SUPPLY ........................................................................................................................................................20
3.5 V24 UART .............................................................................................................................................................20
3.5.1 Complete V24 – connection MO300 - host.....................................................................................................20
3.5.2 Complete V24 interface with PC ....................................................................................................................20
3.5.3 Partial V24 ( RX-TX-RTS-CTS) – connection MO300 - host .........................................................................21
3.5.4 Partial V24 ( RX-TX) – connection MO300 - host .........................................................................................22
3.6 UART 2 ..................................................................................................................................................................22
3.7 USB 2.0 OTG .........................................................................................................................................................22
3.8 BACKUP BATTERY ...................................................................................................................................................23
3.8.1 Backup battery function feature......................................................................................................................23
3.8.2 Current consumption on the backup battery ..................................................................................................24
3.8.2.1 Charge by internal MO300 charging function.............................................................................................................. 24
3.8.3 Backup Battery technology recommended......................................................................................................25
3.8.3.1 Manganese Silicon Lithium-Ion rechargeable Battery ................................................................................................. 25
3.8.3.2 Capacitor Battery.......................................................................................................................................................... 25
3.9 GENERAL PURPOSE INPUT OUTPUT .........................................................................................................................25
3.10 TEMPERATURE SENSOR............................................................................................................................................25
3.11 ADC........................................................................................................................................................................26
3.12 MICRO-WIRE BUS ....................................................................................................................................................26
3.13 ANTENNA DETECTION..............................................................................................................................................26
3.14 HARDWARE POWER MANAGEMENT AND MULTIPLEXING INTERFACES .....................................................................27
3.15 RESETTING THE MODULE .........................................................................................................................................27
3.16 STARTING THE MODULE...........................................................................................................................................27
3.16.1 Use of PWON*................................................................................................................................................27
3.16.2 Case of USB Plugged .....................................................................................................................................28
