Huawei MC509 CDMA LGA Wireless Office Headset User Manual


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HUAWEI MC509 CDMA LGA Module
Hardware Guide
Content
Issue 01 (2011-04-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5
Content
1 Introduction.................................................................................................................................... 8
2 Overall Description ...................................................................................................................... 9
2.1 About This Chapter ........................................................................................................................... 9
2.2 Function Overview............................................................................................................................ 9
2.3 Circuit Block Diagram ...................................................................................................................... 11
2.4 Application Block Diagram ............................................................................................................. 12
3 Description of the Application Interfaces .............................................................................. 13
3.1 About This Chapter ......................................................................................................................... 13
3.2 LGA Interface ................................................................................................................................. 13
3.3 Power Interface .............................................................................................................................. 22
3.3.1 Overview ................................................................................................................................ 22
3.3.2 VBAT Interface ....................................................................................................................... 23
3.3.3 VCOIN Interface .................................................................................................................... 24
3.3.4 Output Power Supply Interface ............................................................................................. 25
3.4 Signal Control Interface .................................................................................................................. 26
3.4.1 Overview ................................................................................................................................ 26
3.4.2 Input Signal Control Pins ....................................................................................................... 27
3.4.3 Output Signal Control Pin (TBD) ........................................................................................... 30
3.4.4 WAKEUP_IN Signal............................................................................................................... 30
3.4.5 WAKEUP_OUT Signal............................................................................................................. 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 UIM Card Interface ......................................................................................................................... 35
3.7.1 Overview ................................................................................................................................ 35
3.7.2 Circuit Recommended for the UIM Card Interface ................................................................ 35
3.7.3 ESD Protection for the UIM Card Interface ........................................................................... 37
3.8 Audio Interface ............................................................................................................................... 37
3.8.1 Analogue Audio ...................................................................................................................... 37
3.8.2 Digital Audio ........................................................................................................................... 39
3.9 General Purpose I/O Interface ....................................................................................................... 40
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