VIA Technologies VAB-600 SmartETK SDK, User Manual

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2.3.11. Mini Card Slot
The VAB-600 mainboard is equipped with a Mini card expansion slot labeled
as “CN2”. The Mini card slot is used to attach the USB connectivity 3G module
to provide 3G function. The pinout of the slot is shown below.
Figure Figure Figure Figure 20 20 20 20: Mini Card slot diagram : Mini Card slot diagram : Mini Card slot diagram : Mini Card slot diagram
Pin
Pin Pin
Pin Signal
Signal Signal
Signal Pin
Pin Pin
Pin Signal
Signal Signal
Signal
1 - 2 VSUS33
3 - 4 GND
5 - 6 +1.5V
7 - 8 USIM_VCC
9 GND 10 USIM_DATA
11 - 12 USIM_CLK
13 - 14 USIM_RST
15 GND 16 USIM_VPP
17 - 18 GND
19 - 20 -W_DISABLE_1
21 GND 22 -PEX1_RST
23 - 24 VSUS33
25 - 26 GND
27 GND 28 +1.5V
29 GND 30 I2C0SCL
31 - 32 I2C0SDA
33 - 34 GND
35 GND 36 USBHD_0-
37 GND 38
39 VSUS33 40 GND