HUAWEI MC509 Series CDMA LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 02 (2013-05-06)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
22
Figure 3-1
Bottom view of sequence of LGA interface pins
3.3 Power Interface
3.3.1
Overview
The power supply part of the MC509 module contains:
VBAT pins for the power supply
VCC_EXT1 pin for external power output
VCC_EXT2 pinfor external power output
RUIM_VCC PIN for RUIM card power output