Table Of Contents - Huawei ME909u-523 Hardware Manual

HUAWEI ME909u-523 LTE LGA Module
Hardware Guide
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 .............................................................................................................................. 24
3.3.1 Overview ................................................................................................................................ 24
3.3.2 Power Supply VBAT Interface ............................................................................................... 24
3.3.3 Output Power Supply Interface ............................................................................................. 25
3.4 Signal Control Interface .................................................................................................................. 25
3.4.1 Overview ................................................................................................................................ 25
3.4.2 Power-on/off (POWER_ON_OFF) Pin .................................................................................. 27
3.4.3 RESIN_N Pins ....................................................................................................................... 28
3.4.4 WAKEUP_IN Signal .............................................................................................................. 29
3.4.5 WAKEUP_OUT Signal ........................................................................................................... 30
3.4.6 SLEEP_STATUS Signal ........................................................................................................ 31
3.4.7 LED_MODE Pin ..................................................................................................................... 32
3.5 UART Interface ............................................................................................................................... 33
3.5.1 Overview ................................................................................................................................ 33
3.5.2 Circuit Recommended for the UART Interface ...................................................................... 34
3.6 USB Interface ................................................................................................................................. 35
3.7 USIM Card Interface....................................................................................................................... 36
3.7.1 Overview ................................................................................................................................ 36
3.7.2 Circuit Recommended for the USIM Card Interface .............................................................. 36
3.8 Audio Interface ............................................................................................................................... 37
3.9 General Purpose I/O Interface ....................................................................................................... 39
3.10 ADC Interface ............................................................................................................................... 39
3.11 JTAG Interface .............................................................................................................................. 39
Issue 01 (2014-05-24)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Contents
Contents
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