User's Manual

ManualsBrandsu-blox ManualsElectronicsGSM/UMTS/LTE Voice and Data Module

TOBY-R2 series - System Integration Manual

UBX-16010572 - R04 Contents

Page 4 of 147

Contents

Preface ................................................................................................................................ 3

Contents .............................................................................................................................. 4

1 System description ....................................................................................................... 8

1.1 Overview .............................................................................................................................................. 8

1.2 Architecture ........................................................................................................................................ 10

1.3 Pin-out ............................................................................................................................................... 12

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) .............................................................................................. 26

1.5.3 Generic digital interfaces supply output (V_INT) ........................................................................... 27

1.6 System function interfaces .................................................................................................................. 28

1.6.1 Module power-on ....................................................................................................................... 28

1.6.2 Module power-off ....................................................................................................................... 30

1.6.3 Module reset ............................................................................................................................... 33

1.6.4 Module / host configuration selection ......................................................................................... 33

1.7 Antenna interface ............................................................................................................................... 34

1.7.1 Antenna RF interfaces (ANT1 / ANT2) .......................................................................................... 34

1.7.2 Antenna detection interface (ANT_DET) ...................................................................................... 36

1.8 SIM interface ...................................................................................................................................... 36

1.8.1 SIM interface ............................................................................................................................... 36

1.8.2 SIM detection interface ............................................................................................................... 36

1.9 Data communication interfaces .......................................................................................................... 37

1.9.1 UART interface ............................................................................................................................ 37

1.9.2 USB interface............................................................................................................................... 48

1.9.3 DDC (I

C) interface ...................................................................................................................... 51

1.9.4 SDIO interface ............................................................................................................................. 52

1.10 Audio .............................................................................................................................................. 53

1.10.1 Digital audio over I

S interface ..................................................................................................... 53

1.11 Clock output ................................................................................................................................... 54

1.12 General Purpose Input/Output ........................................................................................................ 54

1.13 Reserved pins (RSVD) ...................................................................................................................... 54

1.14 System features............................................................................................................................... 55

1.14.1 Network indication ...................................................................................................................... 55

1.14.2 Antenna supervisor ..................................................................................................................... 55

1.14.3 Jamming detection ...................................................................................................................... 55

1.14.4 Dual stack IPv4/IPv6 ..................................................................................................................... 56

1.14.5 TCP/IP and UDP/IP ....................................................................................................................... 56

1.14.6 FTP .............................................................................................................................................. 56