Huawei MU509 Series Development Kit Manual page 17

HUAWEI 30 mm x 30 mm LGA Module
Development Kit Guide
Figure 2-8 Connecting the USB cable to the Micro USB port on the interface board (for
the interface board 30X30LGADB VER.A)
Step 6 Connect a D3.5 4P plug earphone to the audio port to test the PCM function.
Connect a handset with handset cable to the audio port to test analog audio.
Figure 2-9 Connecting an earphone and a handset
PCM
Only MU509 series and MC509 series module support analog audio.
Step 7 Lift the switch S701 on the mother board first, and then turn S701 to the "ON"
position.
Issue 05 (2016-12-12)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Installation and Use Guide
SPK OUT
MIC2
EAR OUT
MIC1
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