Huawei ME909s Series Hardware Manual page 13

HUAWEI ME909s Series LTE Mini PCIe Module
Hardware Guide
Figure 3-1 shows the sequence of pins on the interface of the Mini PCIe Adapter.
Figure 3-1 Sequence of Mini PCIe interface
Table 3-1 shows the pin definitions of the Mini PCIe Interface.
Table 3-1 Pin definitions of the Mini PCIe Interface
Pin Name
Mini PCI HUAWEI
Pin
Express Pin
No.
Standard Description
Description
1 WAKE# WAKE#
2 3.3Vaux VCC_3V3
3 COEX1 UART_CTS
4 GND GND
Issue 02 (2016-09-07)
Top
Pad
Description
Type
O Open collector
active low signal.
This signal is used
to wake up the host.
PI 3.8 V DC supply
input
I UART Clear to
Send
- Ground
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Bottom
Min. Typ.
Parameter
(V) (V)
V 0 -
OL
- 3.2 3.8
V 1.17 1.8
IH
–0.3
V -
IL
- - -
Max.
Comment
(V)
0.45 -
4.2 -
1.98 -
0.63 -
- -
13