User's Manual

LTE Module Series
EC25Hardware Design
EC25_Hardware_DesignConfidential / Released 17 / 90
3 Application Interface
3.1. General Description
EC25 is equipped with 80-pin SMT pads plus 64-pin ground pads and reserved pads that can
beconnected to cellular application platform. Sub-interfaces included in these pads are described in detail
in the following chapters:
 Power supply
 USIM interface
 USB interface
 UART interfaces
 PCM interface
 ADC interface
 Status indication
 SGMII interface
 Wireless connectivityinterfaces
 USB_BOOT interface