Integration Manual

TOBY-L3 series - System Integration Manual
TSD-19090601 - R15 Page 3 of 143
Contents
Contents...................................................................................................................................................... 3
1 System description ............................................................................................................................ 7
1.1 Overview ........................................................................................................................................................................................... 7
1.2 Architecture ................................................................................................................................................................................... 11
1.3 Pin-out ............................................................................................................................................................................................. 12
1.4 Operating modes ....................................................................................................................................................................... 20
1.5 Supply interfaces ........................................................................................................................................................................ 23
1.5.1 Module supply input (VCC) ......................................................................................................................................... 23
1.5.2 Generic digital interfaces supply output (V_INT) .............................................................................................. 30
1.6 System function interfaces ..................................................................................................................................................... 31
1.6.1 Module power-on ............................................................................................................................................................ 31
1.6.2 Module power-off ............................................................................................................................................................ 33
1.6.3 Module reset ...................................................................................................................................................................... 35
1.6.4 Module / host configuration selection .................................................................................................................. 36
1.7 Antenna interfaces ..................................................................................................................................................................... 37
1.7.1 Antenna RF interfaces (ANT1 / ANT2) ................................................................................................................... 37
1.7.2 Antenna detection interface (ANT_DET) ................................................................................................................ 39
1.8 SIM interfaces............................................................................................................................................................................... 39
1.8.1 SIM interfaces .................................................................................................................................................................... 39
1.8.2 SIM detection interface ................................................................................................................................................. 40
1.9 Data communication interfaces ........................................................................................................................................... 40
1.9.1 USB interface ...................................................................................................................................................................... 41
1.9.2 UART interfaces ................................................................................................................................................................. 42
1.9.3 SPI interfaces ...................................................................................................................................................................... 47
1.9.4 DDC (I2C) interfaces ........................................................................................................................................................ 47
1.9.5 SDIO interface .................................................................................................................................................................... 48
1.9.6 SGMII interface .................................................................................................................................................................. 49
1.10 eMMC interface ........................................................................................................................................................................... 50
1.11 Digital Audio interfaces ........................................................................................................................................................... 51
1.12 ADC interfaces ............................................................................................................................................................................. 52
1.13 General Purpose Input/Output ............................................................................................................................................ 52