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HUAWEI ME936 LTE M.2 Module
Hardware Guide
Description of the Application Interfaces
Issue 03 (2017-12-11)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
36
3.5 USB Interface
The ME936 is compliant with USB 2.0 high speed protocol. The USB input/output
lines are following USB 2.0 specifications. Definition of the USB interface:
Pin No.
Pin Name
Pad Type
Description
7
USB_D+
I/O
USB data signal D+
9
USB_D-
I/O
USB data signal D-
Figure 3-24
Recommended circuit of USB interface
Figure 3-25 shows the timing sequence between 3.3 V and USB D+.
Figure 3-25
ME936 USB D+ and 3.3 V power on timing
3.3V
Power_On_Off
USB D+
Tpd