EVDO PC Embedded Datasheet

Product Datasheet

V001R006

Issue 2 (2009-01-20)

Confidencein Commercial

Page 20 of 60

3 Electrical Specifications

3.1 Mini PCI Express Pin Definition

The physical connections and signal levels of the EM660 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 EM660.

Table 3-1 Definition of mini PCI Express pins

Definition of the EM660 Mini PCI Express pins

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# NC Not connected. –

8 UIM_PWR UIM_PWR Power source for

the external

UIM/UIM card.

Output

9 GND GND Mini Card ground. –

10 UIM_DATA UIM_DATA External UIM/UIM

data signal.

Input/Output

11 REFCLK- NC Not connected. –

12 UIM_CLK UIM_CLK External UIM/UIM

clock signal.

Output

13 REFCLK+ NC Not connected. –