Service Guide

Table Of Contents
LTE Standard Module Series
EC200U_Series_Hardware_Design 14 / 94
3 Application Interfaces
3.1. General Description
EC200U series is equipped with 80 LCC pins plus 64 LGA pins that can be connected to cellular
application platform. The subsequent chapters will provide detailed descriptions of the following
interfaces.
Power supply
(U)SIM interfaces
USB interface
UART interfaces
SPI interface
PCM and I2C interfaces
Analog audio interfaces
LCD interface
Matrix keyboard interface
SD card interface
WLAN application interface*
ADC interfaces
Status indications
USB_BOOT interface