Data Sheet

SARA-R4/N4 series - Data Sheet
UBX-16024152 - R16 Page 3 of 39
Contents
Document Information ................................................................................................................................ 2
Contents .......................................................................................................................................................... 3
1 Functional description ......................................................................................................................... 5
1.1 Overview ........................................................................................................................................................ 5
1.2 Product features ......................................................................................................................................... 5
1.3 Block diagram .............................................................................................................................................. 6
1.4 Product description .................................................................................................................................... 7
1.5 AT command support ................................................................................................................................ 8
1.6 Supported features .................................................................................................................................... 9
2 Interfaces ............................................................................................................................................... 10
2.1 Power management ................................................................................................................................. 10
2.1.1 Module supply input (VCC) ............................................................................................................. 10
2.1.2 Generic digital interfaces supply output (V_INT) ....................................................................... 10
2.2 Antenna interface ..................................................................................................................................... 10
2.2.1 Antenna RF interface (ANT) ........................................................................................................... 10
2.2.2 Antenna detection (ANT_DET) ...................................................................................................... 10
2.3 System functions ...................................................................................................................................... 10
2.3.1 Module power-on .............................................................................................................................. 10
2.3.2 Module power-off ............................................................................................................................... 11
2.3.3 Module reset ....................................................................................................................................... 11
2.4 SIM ................................................................................................................................................................ 11
2.4.1 SIM interface ...................................................................................................................................... 11
2.4.2 SIM detection ..................................................................................................................................... 11
2.5 Serial communication ............................................................................................................................... 11
2.5.1 UART interface ................................................................................................................................... 12
2.5.2 USB interface ...................................................................................................................................... 12
2.5.3 SPI interface ...................................................................................................................................... 13
2.5.4 SDIO interface ................................................................................................................................... 13
2.5.5 DDC (I
2
C) interface ............................................................................................................................ 13
2.6 Audio ............................................................................................................................................................ 14
2.7 GPIO ............................................................................................................................................................. 14
3 Pin definition ......................................................................................................................................... 15
3.1 Pin assignment .......................................................................................................................................... 15
4 Electrical specifications .................................................................................................................... 19
4.1 Absolute maximum rating ....................................................................................................................... 19
4.1.1 Maximum ESD ................................................................................................................................... 19
4.2 Operating conditions ................................................................................................................................ 20
4.2.1 Operating temperature range ........................................................................................................ 20
4.2.2 Thermal parameters ........................................................................................................................ 20
4.2.3 Supply/power pins ............................................................................................................................. 21