HUAWEI EM770 HSPA PC Embedded Module V100R001
Product Specification
Issue 1
(2008-09-15)
Huawei Confidential: This documents is Huawei Proprietary and Confidential(NDA
Required).It may not be duplicated, neither distributed externally without
prior and written permission of Huawei.
Page
21 of 68
Definition of the EM770 Mini PCI Express pins
Pin
No.
Mini PCI
Express
Standard
Description
HUAWEI Pin
Description
Additional Description
Direction to
Module
39
3.3Vaux
VCC_3V3
3.3V DC supply rail from
the PC side.
Input
40
CPUSB#
GND
GND
–
41
3.3Vaux
VCC_3V3
3.3V DC supply rail from
the PC side.
Input
42
LED_WWAN#
LED_WWAN
Active-low LED signal for
indicating the state of the
card.
Output
43
GND
GND
GND
–
44
LED_WLAN#
NC
Not connected.
–
45
Reserved
NC
Not connected.
–
46
LED_WPAN#
NC
Not connected.
–
47
Reserved
NC
Not connected.
–
48
1.5 V
NC
Not connected
–
49
Reserved
NC
Not connected
–
50
GND
GND
Mini Card Ground
–
51
Reserved
NC
Not connected
–
52
3.3Vaux
VCC_3V3
3.3V DC supply rail from
the PC side.
Input
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thgo
far