UMTS/HSPA/LTE Module Series
Mini PCIe EVB User Guide
Mini_PCIe_EVB_User_Guide Confidential / Released 9 / 30
2.3. System Overview
3V3
J
2
0
2
Mini PCIe card
J301
C
O
M
(
U
A
R
T
P
o
rt
)
J201
J302
S201
S101
Micro USB
interface
J303
J404
USIM card holder
Audio interface
Power
supply
Power
switch
RESET
D103
D101
Status LEDs
1
5
6
9
Test points
VBAT
3V
3V
UART
PCM
1.8V
1.8V
GND
J304 J405
J103
USB_ON
W_DISABLE
J101
J102
1
51
2
52
J401
J403
J402
A
u
d
io
i
n
te
rf
a
c
e
Figure 1: System Overview
2.4. Interface Overview
Table 2: Interfaces of Mini PCIe EVB
Interface
Reference
Number
Description
Power Supply
J201
(bottom side)
The power jack on the EVB board. Supply voltage typ5V
Power Switch
S201
Control power supply VBAT ON/OFF
RESET
S101
Reset button. It is used to reset the Mini PCIe module
Micro USB
J302
USB device interface
It can also be used to supply power to EVB board
Audio
J401
Used for Ф3.5mm CTIA earphone by default
Used to test module PCM function
Quectel
Confidential