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SARA-G3 series - System Integration Manual

UBX-13000995 - R06 Objective Specification Contents

Page 6 of 218

Contents

Preface ...................................................................................................................................... 4

Contents .................................................................................................................................. 65

1 System description .......................................................................................................... 109

1.1 Overview ................................................................................................................... 109

1.2 Architecture .............................................................................................................. 1311

1.2.1 Internal blocks..................................................................................................... 1512

1.3 Pin-out ................................................................................................................... 1713

1.4 Operating modes ...................................................................................................... 2317

1.5 Supply interfaces ...................................................................................................... 2619

1.5.1 Module supply input (VCC) ................................................................................ 2619

1.5.2 RTC supply input/output (V_BCKP)...................................................................... 3526

1.5.3 Interfaces supply output (V_INT) .......................................................................... 3627

1.6 System function interfaces .......................................................................................... 3728

1.6.1 Module power-on ............................................................................................... 3728

1.6.2 Module power-off ............................................................................................... 3829

1.6.3 Module reset ..................................................................................................... 3930

1.6.4 External 32 kHz signal input (EXT32K) ................................................................ 4031

1.6.5 Internal 32 kHz signal output (32K_OUT) .............................................................. 4131

1.7 Antenna interface ...................................................................................................... 4232

1.7.1 Antenna RF interface (ANT) ............................................................................... 4232

1.7.2 Antenna detection interface (ANT_DET) ................................................................. 4433

1.8 SIM interface ........................................................................................................... 4433

1.8.1 (U)SIM card interface ........................................................................................ 4433

1.8.2 SIM card detection interface (SIM_DET) ................................................................ 4433

1.9 Serial interfaces........................................................................................................ 4634

1.9.1 Asynchronous serial interface (UART).................................................................... 4634

1.9.2 Auxiliary asynchronous serial interface (UART AUX) ................................................. 6244

1.9.3 DDC (I

C) interface .......................................................................................... 6244

1.10 Audio interface ...................................................................................................... 6446

1.10.1 Analog audio interface ......................................................................................... 6446

1.10.2 Digital audio interface .......................................................................................... 6748

1.10.3 Voice-band processing system .............................................................................. 6949

1.11 General Purpose Input/Output (GPIO) ...................................................................... 7151

1.12 Reserved pins (RSVD) ......................................................................................... 7453

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