EVK-NINA-B4 - User guide
UBX-19054587 - R03
Board configuration
Page 16 of 38
C1 - Public
Default power configuration, 3.3 V
This is the default power configuration for the evaluation board, and the jumpers are installed out of
the box with this power configuration. All board peripherals are powered up, the NINA module is
directly supplied by the board and everything is running at 3.3 V.
Figure 9: Jumper positions for default power configuration
Connector
Add jumper to pins
Description
J7
7, 8
Selects the board regulated 3.3 V net as source for the VDD_NINA net.
9, 10
Powers up the Interface MCU, USB hub, and UART to USB converter with 3.3 V.
J22
1, 3
Powers up the NINA module. The NINA VCC and VCC_IO pins are connected to the
selected source for the VDD_NINA net.
2, 4
Powers up the peripherals directly connected to NINA such as LEDs and external
memory with the NINA supply voltage.
Table 3: Jumper positions for default power configuration
J7
B
OA
R
D
NI
NA
3V3
3
4
2
1
J22
V
C
C
_I
O
VC
C
7
8
9
10
NINA module power
board I/O power
J22: 2-4
J22: 1-3
PC communication
MCU
DC/DC
EVB powered
J7: 9-10
J7: 7-8
