HUAWEI MU709 Series HSPA+ LGA Module
Hardware Guide
Overall Description
Issue 09 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
12
2.4 Application Block Diagram
Figure 2-2
Application block diagram of the MU709 module
UART Interface:
The module supports 2 UART interfaces. One is 8-wire
UART0, and the other is 2-wire UART1 (only for debugging).
USB Interface:
The USB interface supports USB 2.0 high speed standard.
USIM Interface:
The USIM interface provides the interface for a USIM card.
External Power
Supply:
DC 3.8 V is recommended.
Audio Interface:
The module supports one PCM interface.
LED:
Indicates the work status.
RF Pad:
RF antenna interface.