User's Manual

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Note d’étude / Technical document : URD1– OTL 5665.1– 002 / 70 884 Edition 03
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Direction des Recherches et des Développements Etablissement de VELIZY
VELIZY R&D Center
SOMMAIRE / CONTENTS
Direction des Recherches et des Développements Etablissement de VELIZY................................................................1
NOTE D'ETUDE / TECHNICAL DOCUMENT.................................................................................................................1
Direction des Recherches et des Développements Etablissement de VELIZY................................................................2
NOTE D'ETUDE / TECHNICAL DOCUMENT.................................................................................................................2
FICHE RECAPITULATIVE / SUMMARY SHEET..........................................................................................................2
SOMMAIRE / CONTENTS .................................................................................................................................................4
FIGURES LIST ....................................................................................................................................................................6
1. OVERVIEW...................................................................................................................................................................7
1.1 OBJECT OF THE DOCUMENT.........................................................................................................................7
1.1 REFERENCE DOCUMENTS .............................................................................................................................7
1.2 MODIFICATION OF THIS DOCUMENT ..........................................................................................................7
1.3 CONVENTIONS ...................................................................................................................................................7
2. BLOCK DIAGRAM.......................................................................................................................................................8
3. FUNCTIONAL INTEGRATION...................................................................................................................................9
3.1 HOW TO CONNECT TO A SIM CARD ..........................................................................................................10
3.2 HOW TO CONNECT THE AUDIOS? .............................................................................................................11
3.2.1 Connecting microphone and speaker .....................................................................................................11
3.2.2 Recommended characteristics for the microphone and speaker........................................................12
3.3 PWM ....................................................................................................................................................................13
3.3.1 PWM outputs ..................................................................................................................................................13
3.3.2 PWM for Buzzer connection.........................................................................................................................14
3.4 POWER SUPPLY ..............................................................................................................................................14
3.5 EXAMPLE OF POWER SUPPLY....................................................................................................................15
3.5.1 Example 1 ...................................................................................................................................................15
3.5.2 Example 2 ...................................................................................................................................................15
3.5.3 Example 3 ...................................................................................................................................................16
3.6 V24 .......................................................................................................................................................................16
3.6.1 Complete V24 – connection HiloNC - host.............................................................................................16
3.6.2 Complete V24 interface with PC ..............................................................................................................17
3.6.3 Partial V24 (RX-TX-RTS-CTS) – connection HiloNC - host.................................................................18
3.6.4 Partial V24 (RX-TX) – connection HiloNC - host ...................................................................................19
3.6.5 Design impact on DTR usage ..................................................................................................................19
3.7 SPI........................................................................................................................................................................19
3.8 GPIO ....................................................................................................................................................................20
3.9 BACKUP BATTERY...........................................................................................................................................20
3.9.1 Backup battery function feature ...............................................................................................................20
3.9.2 Current consumption on the backup battery ..........................................................................................20
3.9.3 Charge by internal HiloNC charging function .........................................................................................20
3.9.4 Backup Battery technology recommended.............................................................................................21
3.10 HARDWARE POWER MANAGEMENT AND MULTIPLEXING INTERFACES .......................................22
3.11 STARTING THE MODULE...............................................................................................................................22
3.12 MODULE RESET...............................................................................................................................................22
3.13 MODULE SWITCH OFF ...................................................................................................................................22
3.14 SLEEP MODE MANAGEMENT .......................................................................................................................22
4. MANDATORY POINTS FOR THE FINAL TESTS AND TUNING.........................................................................24
5. ESD & EMC RECOMMENDATIONS........................................................................................................................24
5.1 HILONC ALONE.................................................................................................................................................24
5.2 CUSTOMER’S PRODUCT WITH HILONC....................................................................................................24
5.2.1 Analysis........................................................................................................................................................24
5.2.2 Recommendations to avoid ESD issues.................................................................................................24
6. RADIO INTEGRATION..............................................................................................................................................25
6.1 ANTENNA ...........................................................................................................................................................25
6.2 GROUND LINK AREA.......................................................................................................................................25
6.3 LAYOUT ..............................................................................................................................................................25