Audio Interface; Buttons; Sim Card Interface - Huawei MU509 Series Development Kit Manual

HUAWEI 30 mm x 30 mm LGA Module
Development Kit Guide

3.3.4 Audio Interface

The DVK provides a 3.5 mm HEADSET connector on the interface board. You can
connect a D3.5 4P plug earphone to test the PCM function.
The handset is ready for analog radio which is used for MU509 series and MC509
series module.

3.3.5 Buttons

The DVK provides a POWER_ON_OFF button (silk-screen is PWRON KEY) and a
RESET (silk-screen is RESIN KEY) button, as shown in Figure 3-3 .
Figure 3-3 POWER_ON_OFF and RESET button
POWER_ON_OFF Button
After you press the POWER_ON_OFF button, the module is powered on. After the
module is powered on, pressing the POWER_ON_OFF button for more than 2.5s can
power off the module.
RESET Button
When the module is powered on, pressing the RESET button can reset the module.
For more information on the characteristics of the reset signal, please refer to the
module's hardware guide.

3.3.6 SIM Card Interface

On the interface board ML0ME909UM VER.B, the DVK provides a standard push to
push SIM card interface. On the interface board 30X30LGADB VER.A, the DVK
provides a standard push to push SIM card interface and a Micro SIM card interface.
The module can support Class B/C SIM card. Before you turn on the module, insert a
SIM card into the SIM card socket.
Issue 05 (2016-12-12)
Whether LED1 or LED2 is available depends on the module. For the details, you can refer to
module's hardware guide.
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Interface Description
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