EVDO PC Embedded Datasheet

Product Datasheet
V001R006
Issue 2 (2009-01-20)
Confidencein Commercial
Page 21 of 60
Definition of the EM660 Mini PCI Express pins
Pin
No.
Mini PCI
Express
Standard
Description
HUAWEI Pin
Description
Additional
Description
Direction to
Module
14 UIM_RESET UIM_RESET External UIM/UIM
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# NC For forcing a
hardware reset on
the card.
–
23 PERn0 NC Not connected. –
24 3.3Vaux VCC_3V3 3.3V DC supply
rail from the PC
side.
Input
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 –