Huawei EM770 - 3 Electrical Specifications; Mini PCI Express Pin Definition

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
19 of 68
3 Electrical Specifications
3.1 Mini PCI Express Pin Definition
The physical connections and signal levels of the EM770 comply with PCI Express
Mini CEM specifications. Device operations comply with USB 2.0 specifications.
Table 3-1 lists the Mini PCI Express connector pins out of the EM770.
Table 3-1 Definition of mini PCI Express pins
Definition of the EM770 Mini PCI Express pins
Pin
No.
Mini PCI
Express
Standard
Description
HUAWEI Pin
Description
Additional Description Direction to
Module
1 WAKE# NC Not connected. –
2 3.3Vaux VCC_3V3 3.3 V DC supply rails from
the PC side.
Input
3 COEX1 NC Not connected. –
4 GND GND Mini Card ground. –
5 COEX2 NC Not connected. –
6 1.5 V NC Not connected. –
7 CLKREQ# Pull up Pull up –
8 UIM_PWR UIM_PWR Power source for the
external UIM/SIM card.
Output
9 GND GND Mini Card ground. –
10 UIM_DATA UIM_DATA External UIM/SIM data
signal.
Input/Output
11 REFCLK- NC Not connected. –
12 UIM_CLK UIM_CLK External UIM/SIM clock
signal.
Output
for faithgofar