Table Of Contents - Huawei MG301 Hardware Manual

B2b module

Table of Contents

HUAWEI MG301 B2B Module

HardwareGuide

1 Introduction .................................................................................................................................... 8

1.1 Overview ...........................................................................................................................................8

2 Overall Description ...................................................................................................................... 9

2.1 About This Chapter ........................................................................................................................... 9

2.2 Function Overview............................................................................................................................ 9

2.3 Application Block Diagram .............................................................................................................. 11

2.4 Circuit Block Diagram ..................................................................................................................... 11

3 Description of the Application Interfaces ............................................................................. 13

3.1 About This Chapter ........................................................................................................................ 13

3.2 B2B Connector Interface ............................................................................................................... 13

3.3 Power Interface ............................................................................................................................. 16

3.3.1 Overview ............................................................................................................................... 16

3.3.2 VBAT Interface ...................................................................................................................... 17

3.3.3 VCOIN Interface ................................................................................................................... 18

3.3.4 VIO Interface ......................................................................................................................... 18

3.4 Power-On and Power-Off Time Sequence .................................................................................... 18

3.4.1 Overview ............................................................................................................................... 18

3.4.2 Power-On Time Sequence .................................................................................................... 19

3.4.3 Power-Off Time Sequence .................................................................................................... 20

3.4.4 RESET .................................................................................................................................. 20

3.5 Signal Control Interface ................................................................................................................. 20

3.5.1 Overview ............................................................................................................................... 20

3.5.2 Input Signal Control Pins ...................................................................................................... 21

3.5.3 Output Signal Control Pin ..................................................................................................... 22

3.6 UART Interface .............................................................................................................................. 23

3.6.1 Overview ............................................................................................................................... 23

3.6.2 Circuit Recommended for the UART Interface ..................................................................... 24

3.7 SIM Card Interface ........................................................................................................................ 25

3.7.1 Overview ............................................................................................................................... 25

3.7.2 Circuit Recommended for the SIM Card Interface ................................................................ 26

3.8 Audio Interface ............................................................................................................................... 27

4 Antenna Interface ....................................................................................................................... 29

Huawei Technologies Co., Ltd

Issue 06 (2013-06-13)

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