Usb Interface - Huawei ME936 Hardware Manual

HUAWEI ME936 LTE M.2 Module
Hardware Guide

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.
7
9
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+
Issue 03 (2017-12-11)
Pin Name Pad Type
USB_D+ I/O
USB_D- I/O
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Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Description
USB data signal D+
USB data signal D-
Tpd
36