Huawei EM770 - Page 20

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
20 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
13 REFCLK+ NC Not connected. –
14 UIM_RESET UIM_RESET External UIM/SIM reset
signal.
Output
15 GND GND Mini Card ground. –
16 UIM_Vpp NC Not connected. –
17 Reserved NC Not connected. –
18 GND GND Mini Card ground. –
19 Reserved NC Not connected. –
20 W_DISABLE# W_DISABLE_
N
For ending the wireless
communications
Input
21 GND GND Mini Card ground. –
22 PERST# PERST# For forcing a hardware
reset on the card.
Input
23 PERn0 NC Not connected. –
24 3.3Vaux NC Not connected. –
25 PERp0 NC Not connected. –
26 GND GND Mini Card ground. –
27 GND GND Mini Card ground. –
28 1.5 V NC Not connected. –
29 GND GND Mini Card 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 Mini Card ground. –
35 GND GND Mini Card ground. –
36 USB_D- USB_D- USB signal D-. Input/Output
37 GND GND GND –
38 USB_D+ USB_D+ USB signal D+. Input/Output
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