Huawei ME909 Series - Default Chapter; Table of Contents

HUAWEI ME909 Series LTE LGA Module
Hardware Guide
Contents
Issue V0.3 (2013-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4
Contents
1 Introduction.................................................................................................................................... 7
2 Overall Description ...................................................................................................................... 8
2.1 About This Chapter ........................................................................................................................... 8
2.2 Function Overview............................................................................................................................ 8
2.3 Circuit Block Diagram ..................................................................................................................... 10
2.4 Application Block Diagram .............................................................................................................. 11
3 Description of the Application Interfaces .............................................................................. 12
3.1 About This Chapter ......................................................................................................................... 12
3.2 LGA Interface ................................................................................................................................. 12
3.3 Power Interface .............................................................................................................................. 22
3.3.1 Overview ................................................................................................................................ 22
3.3.2 Power Supply VBAT Interface ............................................................................................... 23
3.3.3 Output Power Supply Interface ............................................................................................. 24
3.4 Signal Control Interface .................................................................................................................. 24
3.4.1 Overview ................................................................................................................................ 24
3.4.2 Power-on/off (POWER_ON_OFF) Pin .................................................................................. 25
3.4.3 RESIN_N Pins ....................................................................................................................... 26
3.4.4 WAKEUP_IN Signal............................................................................................................... 28
3.4.5 WAKEUP_OUT Signal ........................................................................................................... 29
3.4.6 SLEEP_STATUS Signal ........................................................................................................ 30
3.4.7 LED# Pin ............................................................................................................................... 30
3.5 UART Interface ............................................................................................................................... 31
3.5.1 Overview ................................................................................................................................ 31
3.5.2 Circuit Recommended for the UART Interface ...................................................................... 32
3.6 USB Interface ................................................................................................................................. 33
3.7 USIM Card Interface ...................................................................................................................... 34
3.7.1 Overview ................................................................................................................................ 34
3.7.2 Circuit Recommended for the USIM Card Interface .............................................................. 34
3.8 Audio Interface ............................................................................................................................... 35
3.9 General Purpose I/O Interface ....................................................................................................... 36
3.10 JTAG Interface ............................................................................................................................. 37
3.11 RF Antenna Interface.................................................................................................................... 38