u-blox EVK-NINA-B50, User Manual

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EVK-NINA-B50 - User guide
UBX-23007761 - R02 Product description Page 8 of 37
C1-Public
1.5 Connectors
Table 1 describes the available connectors of the EVK-NINA-B50 shown in Figure 4 .
Connector Function Description
J5 Power supply 2.1 mm power jack, the center pin is the positive terminal. 5 – 12 V input.
J17 Power supply Pin header that can be used to connect external power supplies. 5 – 12 V input.
BT1 Battery holder CR2032 coin cell battery holder. CR2032 usually has a 3 V potential when fully
charged.
(J2) 2.4 GHz RF antenna
connector U.FL coaxial connector that can be used to connect antennas or RF equipment. This
connector is only included in the EVK-NINA-B501.
J12 Cortex Debug connector 10-pin, 50 mil, pitch connector that can be used to connect external debuggers to
the NINA-B50 module. NINA-B50 modules support Serial Wire debug (SWD) and
Serial Wire Viewer, but not JTAG debug.
J8 Power supply, COM port
and debug USB The USB connector is used to program, debug, and communicate with the NINA
module. It can also be used to power the entire board.
Table 1: EVK-NINA-B50 connector description
Figure 4: Available connectors and their pinout
5
N VIN
5 - V
N N
N
V
I
N
I
K
I
N
E E
N
B
B A
0
V
B
A
B
5
B
B