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

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