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HUAWEI MG301 B2B Module
HardwareGuide
33 pF capacitors are added for filtering radio frequency interference.
Figure 3-13 External circuit for the microphone interface
33 pF capacitors are added for filtering radio frequency interference.
It is recommended that ESD components be added to the external circuit of the audio
interface to protect the module.
3.9 USB Interface
The MG301 B2B module support USB2.0 interface,reserved for debug. suggest to lift
2 test point. The USB interface on MG301 LCC module pin48, pin49.
Pin No.
Signal Name
Description
USB_D- inferface debug information
USB_D-
USB_D+ inferface debug information
USB_D+
Huawei Proprietary and Confidential Copyright ©
Huawei Technologies Co., Ltd
Issue 06 (2013-06-13)
Description of the Application Interfaces
Feature
Direction
output
output
28
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