Huawei MU509 - USB Interface Compatibility Design; Detailed Interface Differences; USB Interface Design Guide

HUAWEI 30 mm × 30 mm LGA Module
Hardware Migration Guide
LGA Interface Differences
Issue 08 (2016-12-12)
HUAWEI Proprietary and Confidential
Copyright © HUAWEI Technologies Co., Ltd.
44
Figure 2-24 Circuit diagram of the UART2 interface (only for debugging)
2.10 USB Interface Compatibility Design
2.10.1 Detailed Interface Differences
Please note that only MU609, MU709, ME209u-526, ME909u and ME909s support
USB 2.0 High Speed. MC509 and MU509 do not support USB 2.0 High Speed.
Table 2-17 Differences of the USB interface
Pin
No.
Interface
Name
MU509
MC509
MU609
ME209u-526
ME909u
MU709
ME909s
85
USB
USB_DM
USB 2.0 Full Speed
USB 2.0 High Speed
86
USB_DP
USB 2.0 Full Speed
USB 2.0 High Speed
2.10.2 USB Interface Design Guide
The following figure shows recommended circuit of USB interface.