Application Interfaces; General Description - Quectel EC25-AUX Hardware Design

3

Application Interfaces

3.1. General Description

EC25 is equipped with 80 LCC pads plus 64 LGA pads that can be connected to cellular application
platform. The subsequent chapters will provide detailed descriptions of the following functions/pins/
interfaces.
 Power supply
 (U)SIM interface
 USB interface
 UART interfaces
 PCM and I2C interfaces
1)
 SD card interface
 ADC interfaces
 Status indication
1)
 SGMII interface
Wireless connectivity interfaces

USB_BOOT interface


NOTE
1)
SD card, wireless connectivity and SGMII interfaces are not supported on ThreadX modules.
EC25_Hardware_Design
1)
LTE Standard Module Series
EC25 Hardware Design
22 / 130