UMTS/HSPA Module Series
UC20 EVB User Guide
UC20_EVB_User_Guide Confidential / Released 9 / 30
2.2. System Overview
J801
J101
UC20 Mini PCIe
UC20-TE-A
J301
C
O
M
1
(M
a
in
U
A
R
T
P
o
rt
)
J302
C
O
M
2
(
D
e
b
u
g
P
o
rt
)
J702
J102
VDD_3.3
VBAT
J201
J601
S202
S201
S203
Micro USB
interface
J
2
0
2
J502
J503
J402
J404
J401
SIM card holder
Audio interface
Power
supply
Power
switch
PWRKEY
RESET
J701
J603
J604
Test points
D103 D101 D607 D104 D102
Status LEDs
2 1
30 29
2 1
2 1
10 9
10 9
5
1
9
6
1
5
6
9
1 51
2 52
99 1
100 2
Figure 1: System Overview
2.3. Interface Overview
Table 2: Interfaces of UC20 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.
PWRKEY
S202
PWRKEY push button.
It’s just used to turn on/off the UC20-TE-A module.
J202
Jumper is used to connect PWRKEY to GND.
RESET
S203
Reset push button. It’s used to reset the UC20-TE-A module and
UC20 Mini PCIe module.
Quectel
Condidential
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