System Overview; Interface Overview - Quectel UC20 User Manual

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2.2. System Overview

Test points
30 29
10 9
J603
2 1
J701
10 9
J604
2 1
2 1
J301
S201
J201
Power Power
supply switch

2.3. Interface Overview

Table 2: Interfaces of UC20 EVB
Reference
Interface
number
J201
Power Supply
(bottom side)
Power Switch S201
S202
PWRKEY
J202
RESET S203
UC20_EVB_User_Guide
UC20 Mini PCIe
2 52
J801
1 51
J102
J702
VDD_3.3
VBAT
Status LEDs
D103 D101 D607 D104 D102
S202
J601
Micro USB
PWRKEY
interface
Figure 1: System Overview
Description
The power jack on the EVB board. Supply voltage typically +5V.
Control power supply VBAT ON/OFF.
PWRKEY push button.
It's just used to turn on/off the UC20-TE-A module.
Jumper is used to connect PWRKEY to GND.
Reset push button. It's used to reset the UC20-TE-A module and
UC20 Mini PCIe module.
UC20-TE-A
100 2
J101
99 1
S203
J404
J402
RESET
Audio interface
Confidential / Released
UMTS/HSPA Module Series
UC20 EVB User Guide
J302
J502
J503
J401
SIM card holder
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