u-blox LARA-R2 series System Integration Manual

Also see for LARA-R2 series: System integration manual

Contents

u-blox LARA-R2 series System Integration Manual Manual pdf 5 page image

LARA-R2 series - System Integration ManualUBX-16010573 - R02 Objective Specification ContentsPage 5 of 1481.14.8 SSL/TLS ........................................................................................................................................ 561.14.9 Bearer Independent Protocol ....................................................................................................... 571.14.10 AssistNow clients and GNSS integration ................................................................................... 571.14.11 Hybrid positioning and CellLocate®.......................................................................................... 581.14.12 Wi-Fi integration ...................................................................................................................... 601.14.13 Firmware upgrade Over AT (FOAT) .......................................................................................... 601.14.14 Firmware update Over The Air (FOTA) ...................................................................................... 601.14.15 Smart temperature management ............................................................................................. 611.14.16 Power Saving ........................................................................................................................... 632 Design-in ..................................................................................................................... 642.1 Overview ............................................................................................................................................ 642.2 Supply interfaces ................................................................................................................................ 652.2.1 Module supply (VCC) .................................................................................................................. 652.2.2 RTC supply (V_BCKP) ................................................................................................................... 792.2.3 Interface supply (V_INT) ............................................................................................................... 812.3 System functions interfaces ................................................................................................................ 822.3.1 Module power-on (PWR_ON) ...................................................................................................... 822.3.2 Module reset (RESET_N) .............................................................................................................. 832.3.3 Module / host configuration selection ......................................................................................... 842.4 Antenna interface ............................................................................................................................... 852.4.1 Antenna RF interface (ANT1 / ANT2) ........................................................................................... 852.4.2 Antenna detection interface (ANT_DET) ...................................................................................... 922.5 SIM interface ...................................................................................................................................... 942.6 Data communication interfaces ........................................................................................................ 1002.6.1 UART interface .......................................................................................................................... 1002.6.2 USB interface............................................................................................................................. 1052.6.3 HSIC interface ........................................................................................................................... 1072.6.4 DDC (I2C) interface .................................................................................................................... 1092.6.5 SDIO interface ........................................................................................................................... 1132.7 Audio interface ................................................................................................................................. 1142.7.1 Digital audio interface ............................................................................................................... 1142.8 General Purpose Input/Output (GPIO) ............................................................................................... 1182.9 Reserved pins (RSVD) ........................................................................................................................ 1192.10 Module placement ........................................................................................................................ 1192.11 Module footprint and paste mask ................................................................................................. 1202.12 Thermal guidelines ........................................................................................................................ 1212.13 ESD guidelines .............................................................................................................................. 1222.13.1 ESD immunity test overview ...................................................................................................... 1222.14 Schematic for LARA-R2 series module integration ......................................................................... 1232.15 Design-in checklist ........................................................................................................................ 1242.15.1 Schematic checklist ................................................................................................................... 1242.15.2 Layout checklist ......................................................................................................................... 1252.15.3 Antenna checklist ...................................................................................................................... 125