Huawei ME909s Series - Default Chapter; Table of Contents

HUAWEI ME909s Series LTE Mini PCIe Module
Hardware Guide
Contents
Issue 02 (2016-09-07)
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
3 Description of the Application Interfaces .............................................................................. 12
3.1 About This Chapter ......................................................................................................................... 12
3.2 Mini PCIe Interface ......................................................................................................................... 12
3.3 Power Interface .............................................................................................................................. 17
3.3.1 Power Sources and Grounds ................................................................................................ 17
3.3.2 Power Supply Time Sequence .............................................................................................. 18
3.4 Signal Control Interface .................................................................................................................. 19
3.4.1 Overview ................................................................................................................................ 19
3.4.2 WAKE# Signal ....................................................................................................................... 20
3.4.3 WAKEUP_IN Signal............................................................................................................... 20
3.4.4 RESIN_N Signal .................................................................................................................... 21
3.4.5 LED_WWAN# Signal ............................................................................................................. 22
3.5 UART Interface ............................................................................................................................... 23
3.5.2 Circuit Recommended for the UART Interface ...................................................................... 24
3.6 USB Interface ................................................................................................................................. 24
3.7 USIM Card Interface ...................................................................................................................... 25
3.7.1 Overview ................................................................................................................................ 25
3.7.2 USIM_DET Pin ...................................................................................................................... 26
3.7.3 Circuit Recommended for the USIM Card Interface .............................................................. 28
3.8 Audio Interface ............................................................................................................................... 29
3.9 NC Pins .......................................................................................................................................... 31
3.10 Reserved Pins .............................................................................................................................. 31
4 RF Specifications ......................................................................................................................... 32
4.1 About This Chapter ......................................................................................................................... 32
4.2 Operating Frequencies ................................................................................................................... 32
4.3 Conducted RF Measurement ......................................................................................................... 34
4.3.1 Test Environment ................................................................................................................... 34