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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.
J7: 7-8
DC/DC
EVB powered
J7
Figure 9: Jumper positions for default power configuration
Connector Add jumper to pins
J7
7, 8
9, 10
J22
1, 3
2, 4
Table 3: Jumper positions for default power configuration
UBX-19054587 - R04
C1 - Public
J7: 9-10
MCU
PC communication
3V3
Description
Selects the board regulated 3.3 V net as source for the VDD_NINA net.
Powers up the Interface MCU, USB hub, and UART to USB converter with 3.3 V.
Powers up the NINA module. The NINA VCC and VCC_IO pins are connected to the
selected source for the VDD_NINA net.
Powers up the peripherals directly connected to NINA such as LEDs and external
memory with the NINA supply voltage.
Board configuration
EVK-NINA-B4 - User guide
J22: 2-4
board I/O power
NINA module power
J22
J22: 1-3
Page 17 of 40
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