u-blox C030-R412M, User Manual

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C030-R412M - User Guide
UBX-19010121 - R01 Hardware description Page 10 of 27
2.2 Buttons, jumpers and switches
The C030-R412M is equipped with several buttons, jumpers and a switch that the user can easily
utilize. The functions and locations of these components are provided in
Table 1 and shown in Figure 3 .
Annotation Function Description Section
USER User button Push button for application use. Connected to HostMCU GPIO
Port PC13 Application
RST1 Reset button Push button to reset the HostMCU Application
P1 System power jumper System power input selection:
 Pin 1-2: on board Power/Battery Management (default
configuration)
 Pin 2-3: VIN pin of Arduino Uno R3 interface
Application
S2 Serial USB sniffer source select Select the cellular module communication UART channel to sniff:

Position 1: isolation
 Position 2: UART1 communication between HostMCU and
cellular module
Application
Table 1: C030-R412M buttons, jumpers, and switches
Figure 4 shows the C030-R412M P1 and P3 jumpers and S2 switch positions.
Figure 4: C030-R412M jumper and switches