User Manual

LARA-R2 series - System Integration Manual
UBX-16010573 - R02 Objective Specification Contents
Page 4 of 148
Contents
Preface ................................................................................................................................ 3
Contents .............................................................................................................................. 4
1 System description ....................................................................................................... 7
1.1 Overview .............................................................................................................................................. 7
1.2 Architecture .......................................................................................................................................... 9
1.3 Pin-out ............................................................................................................................................... 11
1.4 Operating modes ................................................................................................................................ 16
1.5 Supply interfaces ................................................................................................................................ 18
1.5.1 Module supply input (VCC) ......................................................................................................... 18
1.5.2 RTC supply input/output (V_BCKP) .............................................................................................. 25
1.5.3 Generic digital interfaces supply output (V_INT) ........................................................................... 26
1.6 System function interfaces .................................................................................................................. 27
1.6.1 Module power-on ....................................................................................................................... 27
1.6.2 Module power-off ....................................................................................................................... 29
1.6.3 Module reset ............................................................................................................................... 31
1.6.4 Module / host configuration selection ......................................................................................... 31
1.7 Antenna interface ............................................................................................................................... 32
1.7.1 Antenna RF interfaces (ANT1 / ANT2) .......................................................................................... 32
1.7.2 Antenna detection interface (ANT_DET) ...................................................................................... 34
1.8 SIM interface ...................................................................................................................................... 34
1.8.1 SIM card interface ....................................................................................................................... 34
1.8.2 SIM card detection interface (SIM_DET) ....................................................................................... 34
1.9 Data communication interfaces .......................................................................................................... 35
1.9.1 UART interface ............................................................................................................................ 35
1.9.2 USB interface............................................................................................................................... 46
1.9.3 HSIC interface ............................................................................................................................. 49
1.9.4 DDC (I
2
C) interface ...................................................................................................................... 50
1.9.5 SDIO interface ............................................................................................................................. 51
1.10 Audio interface ............................................................................................................................... 52
1.10.1 Digital audio interface ................................................................................................................. 52
1.11 Clock output ................................................................................................................................... 53
1.12 General Purpose Input/Output (GPIO) ............................................................................................. 53
1.13 Reserved pins (RSVD) ...................................................................................................................... 53
1.14 System features............................................................................................................................... 54
1.14.1 Network indication ...................................................................................................................... 54
1.14.2 Antenna detection ...................................................................................................................... 54
1.14.3 Jamming detection ...................................................................................................................... 54
1.14.4 Dual stack IPv4/IPv6 ..................................................................................................................... 55
1.14.5 TCP/IP and UDP/IP ....................................................................................................................... 55
1.14.6 FTP .............................................................................................................................................. 55
1.14.7 HTTP ........................................................................................................................................... 55