Installation Instructions
LISA-U2 series - System Integration Manual
UBX-13001118 - R19 Early Production Information Contents
Page 4 of 175
Contents
Preface ........................................................................................................................................... 3
Contents ........................................................................................................................................ 4
1 System description .................................................................................................................. 7
1.1 Overview .............................................................................................................................................................. 7
1.2 Architecture.......................................................................................................................................................... 9
1.2.1 Functional blocks .......................................................................................................................................... 9
1.3 Pin-out ............................................................................................................................................................... 11
1.4 Operating modes ................................................................................................................................................ 15
1.5 Power management ........................................................................................................................................... 17
1.5.1 Power supply circuit overview ..................................................................................................................... 17
1.5.2 Module supply (VCC) .................................................................................................................................. 18
1.5.3 Current consumption profiles ...................................................................................................................... 27
1.5.4 RTC Supply (V_BCKP) .................................................................................................................................. 32
1.5.5 Interface supply (V_INT) .............................................................................................................................. 35
1.6 System functions ................................................................................................................................................ 36
1.6.1 Module power-on ....................................................................................................................................... 36
1.6.2 Module power-off ...................................................................................................................................... 40
1.6.3 Module reset .............................................................................................................................................. 42
1.7 RF connection ..................................................................................................................................................... 44
1.8 (U)SIM interface .................................................................................................................................................. 45
1.8.1 (U)SIM application circuits ........................................................................................................................... 46
1.9 Serial communication ......................................................................................................................................... 52
1.9.1 Serial interfaces configuration ..................................................................................................................... 53
1.9.2 Asynchronous serial interface (UART) .......................................................................................................... 54
1.9.3 USB interface .............................................................................................................................................. 73
1.9.4 SPI interface ................................................................................................................................................ 78
1.9.5 MUX Protocol (3GPP 27.010) ...................................................................................................................... 83
1.10 DDC (I
2
C) interface .............................................................................................................................................. 84
1.10.1 Overview .................................................................................................................................................... 84
1.10.2 DDC application circuits .............................................................................................................................. 84
1.11 Audio Interface ................................................................................................................................................... 89
1.11.1 I
2
S interface - PCM mode ............................................................................................................................ 90
1.11.2 I
2
S interface - Normal I
2
S mode .................................................................................................................... 91
1.11.3 I
2
S interface application circuits ................................................................................................................... 91
1.11.4 Voiceband processing system ...................................................................................................................... 94
1.12 General Purpose Input/Output (GPIO) .................................................................................................................. 96
1.13 Reserved pins (RSVD) ........................................................................................................................................ 103
1.14 Schematic for LISA-U2 module integration ........................................................................................................ 104
1.15 Approvals ......................................................................................................................................................... 105
1.15.1 R&TTED and European Conformance CE mark .......................................................................................... 106
1.15.2 US Federal Communications Commission notice ....................................................................................... 106
1.15.3 Industry Canada notice ............................................................................................................................. 108
1.15.4 ACMA Certification .................................................................................................................................. 110