Integration Manual

Table Of Contents
TOBY-L3 series - System Integration Manual
TSD-19090601 - R13 Page 3 of 143
Contents
Contents...................................................................................................................................................... 3
1 System description ............................................................................................................................ 7
1.1 Overview ........................................................................................................................................................................................... 7
1.2 Architecture ................................................................................................................................................................................... 12
1.3 Pin-out ............................................................................................................................................................................................. 13
1.4 Operating modes ....................................................................................................................................................................... 22
1.5 Supply interfaces ........................................................................................................................................................................ 25
1.5.1 Module supply input (VCC) ......................................................................................................................................... 25
1.5.2 Generic digital interfaces supply output (V_INT) .............................................................................................. 32
1.6 System function interfaces ..................................................................................................................................................... 33
1.6.1 Module power-on ............................................................................................................................................................ 33
1.6.2 Module power-off ............................................................................................................................................................ 35
1.6.3 Module reset ...................................................................................................................................................................... 37
1.6.4 Module / host configuration selection .................................................................................................................. 38
1.7 Antenna interfaces ..................................................................................................................................................................... 39
1.7.1 Antenna RF interfaces (ANT1 / ANT2) ................................................................................................................... 39
1.7.2 Antenna detection interface (ANT_DET) ................................................................................................................ 41
1.8 SIM interfaces............................................................................................................................................................................... 41
1.8.1 SIM interfaces .................................................................................................................................................................... 41
1.8.2 SIM detection interface ................................................................................................................................................. 42
1.9 Data communication interfaces ........................................................................................................................................... 42
1.9.1 USB interface ...................................................................................................................................................................... 43
1.9.2 UART interfaces ................................................................................................................................................................. 44
1.9.3 SPI interfaces ...................................................................................................................................................................... 49
1.9.4 DDC (I2C) interfaces ........................................................................................................................................................ 49
1.9.5 SDIO interface .................................................................................................................................................................... 50
1.9.6 SGMII interface .................................................................................................................................................................. 51
1.10 eMMC interface ........................................................................................................................................................................... 52
1.11 Digital Audio interfaces ........................................................................................................................................................... 53
1.12 ADC interfaces ............................................................................................................................................................................. 54
1.13 General Purpose Input/Output ............................................................................................................................................ 54