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HUAWEI MC509 CDMA LGA Module
Hardware Guide
Overall Description
Issue 01 (2011-04-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
12
2.4 Application Block Diagram
Figure 2-2 Application block diagram of the MC509 module
UART Interface：
The module supports 3-line or 5-line or full serial port
interface.
USB Interface：
The USB interface supports USB 2.0 full speed standard.
UIM Interface：
The UIM interface provides the interface for a UIM card. The
UIM card can be inserted into the host side.
Power Supply：
DC 3.8V is recommended.
Audio Interface：
The module supports one speaker output, two microphone,
one handset, one speaker and one PCM interface (only
telematics version supports the audio function).