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