Integration Manual
TOBY-L3 series - System Integration Manual
TSD-19090601 - R15 Page 4 of 143
1.14 Reserved pins (RSVD) ............................................................................................................................................................... 53
1.15 System features ........................................................................................................................................................................... 53
1.15.1 Network indication .......................................................................................................................................................... 53
1.15.2 Jamming detection .......................................................................................................................................................... 54
1.15.3 IP modes of operation ................................................................................................................................................... 54
1.15.4 Dual stack IPv4 and IPv6 .............................................................................................................................................. 55
1.15.5 Embedded TCP/IP and UDP/IP .................................................................................................................................. 55
1.15.6 Embedded FTP and FTPS ............................................................................................................................................. 55
1.15.7 Embedded HTTP and HTTPS ...................................................................................................................................... 56
1.15.8 SSL and TLS ........................................................................................................................................................................ 56
1.15.9 Firmware update Over AT (FOAT) ............................................................................................................................ 56
1.15.10 Firmware update Over The Air (FOTA) .................................................................................................................. 57
1.15.11 Power Saving ...................................................................................................................................................................... 57
2 Design-in ........................................................................................................................................... 59
2.1 Overview ......................................................................................................................................................................................... 59
2.2 Supply interfaces ........................................................................................................................................................................ 60
2.2.1 Module supply (VCC) ..................................................................................................................................................... 60
2.2.2 Generic digital interfaces supply output (V_INT) .............................................................................................. 73
2.3 System functions interfaces ................................................................................................................................................... 75
2.3.1 Module power-on (PWR_ON)..................................................................................................................................... 75
2.3.2 Module reset (RESET_N) ................................................................................................................................................ 76
2.3.3 Module / host configuration selection .................................................................................................................. 77
2.4 Antenna interface ....................................................................................................................................................................... 78
2.4.1 Antenna RF interfaces (ANT1 / ANT2) ................................................................................................................... 78
2.4.2 Antenna detection interface (ANT_DET) ................................................................................................................ 86
2.5 SIM interfaces............................................................................................................................................................................... 88
2.5.1 Guidelines for SIM circuit design ............................................................................................................................. 88
2.5.2 Guidelines for SIM layout design ............................................................................................................................. 93
2.6 Data communication interfaces ........................................................................................................................................... 94
2.6.1 USB interface ...................................................................................................................................................................... 94
2.6.2 UART interfaces ................................................................................................................................................................. 96
2.6.3 SPI interfaces ...................................................................................................................................................................... 99