User's Manual

Page 2/51
HiAll
NC
User Manual 2012/06/28
SOMMAIRE / CONTENTS
1 OVERVIEW...................................................................................................................................................................5
1.1 OBJECT OF THE DOCUMENT.........................................................................................................................5
1.2 REFERENCE DOCUMENTS.............................................................................................................................5
1.3 DOCUMENT MODIFICATIONS ........................................................................................................................5
1.4 CONVENTIONS...................................................................................................................................................5
1.5 TERMS AND ABBREVIATION ..........................................................................................................................5
2. BLOCK DIAGRAM.......................................................................................................................................................7
3. FUNCTIONAL INTEGRATION...................................................................................................................................8
3.1 POWER DOMAIN................................................................................................................................................8
3.2 SIM CARD...........................................................................................................................................................12
3.2.1 Internal SIM card........................................................................................................................................12
3.2.2 External SIM card connection ..................................................................................................................12
3.2.3 SIM CARD priority......................................................................................................................................13
3.3 AUDIOS...............................................................................................................................................................14
3.3.1 Analogue audio connection ......................................................................................................................14
3.3.1.1 Connecting microphone and speaker........................................................................................................14
3.3.1.1.1 Notes for microphone ...........................................................................................................................14
3.3.1.1.2 Notes for speaker ..................................................................................................................................15
3.3.1.2 Recommended characteristics for the microphone and speaker ...............................................................16
3.3.1.2.1 Recommended characteristics for the microphone ...............................................................................16
3.3.1.2.2 Recommended characteristics for the speaker ......................................................................................16
3.3.1.3 DTMF OVER GSM network....................................................................................................................17
3.3.2 Digital PCM Audio......................................................................................................................................17
3.4 POWER SUPPLY ..............................................................................................................................................18
3.4.1 Burst conditions..........................................................................................................................................18
3.4.2 Ripples and drops ......................................................................................................................................19
3.4.3 EXAMPLE OF POWER SUPPLIES ........................................................................................................19
3.4.3.1 DC/DC Power supply from a USB or PCMCIA port..........................................................................19
3.4.3.2 Simple high current low dropout voltage regulator............................................................................20
3.4.3.3 Simple 4V boost converter....................................................................................................................20
3.4.4 Avoid side effects of a retro supply (current re-injection)............................................................................21
3.5 UARTS.................................................................................................................................................................22
3.5.1 Complete V24 connection of HiAll
NC
to host ..........................................................................................23
3.5.2 Complete V24 interface with PC..............................................................................................................24
3.5.3 Partial V24 (RX-TX-RTS-CTS) connection of HiAllNC to host............................................................25
3.5.4 Partial V24 (RX-TX) – connection HiAll
NC
- host ...................................................................................26
3.6 SPI ........................................................................................................................................................................27
3.7 GPIOS .................................................................................................................................................................27
3.8 ADCS...................................................................................................................................................................28
3.9 BACKUP BATTERY ..........................................................................................................................................28
3.9.1 Backup battery function features .............................................................................................................28
3.9.2 Current consumption on the backup battery..........................................................................................28
3.9.3 Internal HiAll
NC
charging function.............................................................................................................28
3.9.4 Capacitor backup battery technology......................................................................................................29
4. UNUSED PINS POLICY.............................................................................................................................................30
5. SCALABILITY WITH HILO
NC
-3GPS........................................................................................................................32
6. POWER MANAGEMENT ..........................................................................................................................................35
6.1 POWER MODES ...............................................................................................................................................35
6.2 MODULE POWER-UP ......................................................................................................................................35
6.2.1 Power-up with POK_IN signal..................................................................................................................35
6.2.2 IO DC Presence before Power on...........................................................................................................36
6.2.3 MODULE RESET.......................................................................................................................................36
6.3 POWER ON AND SLEEP DIAGRAMS ..........................................................................................................37
6.4 MODULE POWER OFF....................................................................................................................................40
6.5 MODULE SLEEP MODE ..................................................................................................................................41
7. ESD & EMC RECOMMENDATIONS .......................................................................................................................42
7.1 HiAll
NC
MODULE ................................................................................................................................................42