Integration Manual

LISA-U series - System Integration Manual
3G.G2-HW-10002-A3 Preliminary Contents
Page 4 of 160
Contents
Preface ................................................................................................................................ 3
Contents .............................................................................................................................. 4
1 System description ....................................................................................................... 7
1.1 Overview .............................................................................................................................................. 7
1.2 Architecture .......................................................................................................................................... 9
1.2.1 Functional blocks ......................................................................................................................... 10
1.2.2 Hardware differences between LISA-U series modules ................................................................. 12
1.3 Pin-out ............................................................................................................................................... 13
1.4 Operating modes ................................................................................................................................ 17
1.5 Power management ........................................................................................................................... 19
1.5.1 Power supply circuit overview ...................................................................................................... 19
1.5.2 Module supply (VCC) .................................................................................................................. 20
1.5.3 Current consumption profiles ...................................................................................................... 28
1.5.4 RTC Supply (V_BCKP) .................................................................................................................. 32
1.5.5 Interface supply (V_INT) ............................................................................................................... 34
1.6 System functions ................................................................................................................................ 35
1.6.1 Module power-on ....................................................................................................................... 35
1.6.2 Module power-off ....................................................................................................................... 39
1.6.3 Module reset ............................................................................................................................... 40
1.7 RF connection ..................................................................................................................................... 42
1.8 (U)SIM interface .................................................................................................................................. 43
1.8.1 (U)SIM functionality ..................................................................................................................... 45
1.9 Serial communication ......................................................................................................................... 46
1.9.1 Serial interfaces configuration ..................................................................................................... 46
1.9.2 Asynchronous serial interface (UART)........................................................................................... 47
1.9.3 USB interface............................................................................................................................... 62
1.9.4 SPI interface ................................................................................................................................ 65
1.9.5 MUX Protocol (3GPP 27.010) ...................................................................................................... 69
1.10 DDC (I
2
C) interface .......................................................................................................................... 70
1.10.1 Overview ..................................................................................................................................... 70
1.10.2 DDC application circuit ................................................................................................................ 70
1.11 Audio Interface ............................................................................................................................... 75
1.11.1 Analog Audio interface ............................................................................................................... 75
1.11.2 Digital Audio interface ................................................................................................................. 81
1.11.3 Voiceband processing system ...................................................................................................... 86
1.12 General Purpose Input/Output (GPIO) ............................................................................................. 88
1.13 Reserved pins (RSVD) ...................................................................................................................... 97
1.14 Schematic for LISA-U series module integration .............................................................................. 98
1.15 Approvals ...................................................................................................................................... 100