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HUAWEI ME909 Series Mini PCIe Module
Hardware Guide
PIN
Pin Name
No.
Mini PCI
Express
Standard
Description
26
GND
27
GND
28
1.5 V
29
GND
30
SMB_CLK
31
PETn0
32
SMB_DATA
33
PETp0
34
GND
35
GND
36
USB_D-
37
GND
38
USB_D+
39
3.3Vaux
40
GND
41
3.3Vaux
42
LED_WWAN#
43
GND
44
LED_WLAN#
45
Reserved
Issue 0.1 (2013-06-09)
I/O
HUAWEI Pin
Description
GND
-
GND
-
NC
-
GND
-
NC
-
NC
-
NC
-
NC
-
GND
-
GND
-
USB_DM
I/O
GND
-
USB_DP
I/O
VCC_3V3
P
GND
-
VCC_3V3
P
LED_WWAN#
O
GND
-
NC
-
PCM_CLK
O
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Description
Ground
Ground
Not connected
Ground
Not connected
Not connected
Not connected
Not connected
Ground
Ground
USB signal D-
Ground
USB signal D+
3.3 V DC supply
rails from the PC
side.
Ground
3.3 V DC supply
rails from the PC
side
Active-low LED
signal indicating the
state of the card.
The software
feature is under
development and
don't support this
function now.
Drive strength: 10
mA
Ground
Not connected
PCM interface clock
DC Characteristics (V)
Min.
Typ.
Max.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3.0
3.3
3.6
-
-
-
3.0
3.3
3.6
-
-
-
-
-
-
-
-
-
–0.3
1.8
2.1
13
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