Integration Manual

LISA-U2 series - System Integration Manual
UBX-13001118 - R25 Contents Page 4 of 182
Contents
Document Information ................................................................................................................................ 2
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 ........................................................................................................ 28
1.5.4 RTC Supply (V_BCKP) ...................................................................................................................... 33
1.5.5 Interface supply (V_INT) .................................................................................................................. 36
1.6 System functions ...................................................................................................................................... 37
1.6.1 Module power-on .............................................................................................................................. 37
1.6.2 Module power-off .............................................................................................................................. 41
1.6.3 Module reset ...................................................................................................................................... 43
1.7 RF connection ............................................................................................................................................ 45
1.8 (U)SIM interface ........................................................................................................................................ 46
1.8.1 (U)SIM application circuits ............................................................................................................. 47
1.9 Serial communication .............................................................................................................................. 53
1.9.1 Serial interfaces configuration ...................................................................................................... 54
1.9.2 Asynchronous serial interface (UART) ......................................................................................... 55
1.9.3 USB interface ..................................................................................................................................... 74
1.9.4 SPI interface ...................................................................................................................................... 79
1.9.5 MUX protocol (3GPP TS 27.010)..................................................................................................... 84
1.10 DDC (I
2
C) interface .................................................................................................................................... 86
1.10.1 Overview ............................................................................................................................................. 86
1.10.2 DDC application circuits .................................................................................................................. 86
1.11 Audio Interface .......................................................................................................................................... 92
1.11.1 I
2
S interface - PCM mode ................................................................................................................ 94
1.11.2 I
2
S interface - Normal I
2
S mode...................................................................................................... 94
1.11.3 I
2
S interface application circuits.................................................................................................... 95
1.11.4 Voiceband processing system ....................................................................................................... 97
1.12 General Purpose Input/Output (GPIO) .................................................................................................. 99
1.13 Reserved pins (RSVD) ............................................................................................................................ 106
1.14 Schematic for LISA-U2 module integration ...................................................................................... 107
1.15 Approvals .................................................................................................................................................. 108
1.15.1 European Conformance CE mark ................................................................................................ 108
1.15.2 US Federal Communications Commission notice ................................................................... 109
1.15.3 Innovation, Science, Economic Development Canada notice .................................................. 111
1.15.4 Australian Regulatory Compliance Mark .................................................................................... 113