User's Manual

ManualsBrandsu-blox ManualsElectronicsLISA-U120

LISA-U1/LISA-H1 series - System Integration Manual

3G.G2-HW-10002-2 Advance Information Contents

Page 4 of 116

Contents

Preface ................................................................................................................................ 3

Contents .............................................................................................................................. 4

1 System description ....................................................................................................... 7

1.1 Overview .............................................................................................................................................. 7

1.2 Architecture .......................................................................................................................................... 8

1.2.1 Functional blocks ........................................................................................................................... 9

1.2.2 Hardware differences between LISA-U1/LISA-H1 series modules .................................................. 10

1.3 Pin-out ............................................................................................................................................... 11

1.4 Operating modes ................................................................................................................................ 14

1.5 Power management ........................................................................................................................... 16

1.5.1 Power supply circuit overview ...................................................................................................... 16

1.5.2 Module supply (VCC) .................................................................................................................. 17

1.5.3 Current consumption profiles ...................................................................................................... 24

1.5.4 RTC Supply (V_BCKP) .................................................................................................................. 28

1.5.5 Interface supply (V_INT) ............................................................................................................... 30

1.6 System functions ................................................................................................................................ 31

1.6.1 Module power on ....................................................................................................................... 31

1.6.2 Module power off ....................................................................................................................... 35

1.6.3 Module reset ............................................................................................................................... 36

1.7 RF connection ..................................................................................................................................... 37

1.8 (U)SIM interface .................................................................................................................................. 38

1.8.1 (U)SIM functionality ..................................................................................................................... 40

1.9 Serial communication ......................................................................................................................... 41

1.9.1 Serial interfaces configuration ..................................................................................................... 41

1.9.2 Asynchronous serial interface (UART)........................................................................................... 42

1.9.3 USB interface............................................................................................................................... 54

1.9.4 SPI interface ................................................................................................................................ 56

1.9.5 MUX Protocol (3GPP 27.010) ...................................................................................................... 60

1.10 DDC (I

C) interface .......................................................................................................................... 61

1.10.1 Overview ..................................................................................................................................... 61

1.10.2 DDC application circuit ................................................................................................................ 62

1.11 Audio Interface (LISA-U120 and LISA-U130 only) ............................................................................ 63

1.11.1 Analog Audio interface ............................................................................................................... 64

1.11.2 Digital Audio interface ................................................................................................................. 70

1.11.3 Voiceband processing system ...................................................................................................... 72

1.12 General Purpose Input/Output (GPIO) ............................................................................................. 74

1.13 Reserved pins (RSVD) ...................................................................................................................... 77

1.14 Schematic for LISA-U1/LISA-H1 series module integration ............................................................... 78

1.15 Approvals ........................................................................................................................................ 79