Users Manual

LTE Standard Module Series
EC25 Hardware Design
EC25_Hardware_Design
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3
Application Interfaces
3.1. General Description
EC25 is equipped with 80 LCC pads and 64 LGA pads that can be connected to cellular application
platform. The subsequent chapters will provide detailed descriptions of the following interfaces/functions.
 Power supply
 (U)SIM interface
 USB interface
 UART interfaces
 PCM and I2C interfaces
 SD card interface
 ADC interfaces
 Status indication
 SGMII interface
 Wireless connectivity interfaces
 USB_BOOT interface