EVK-NINA-W1/EVK-NINA-B2 - User Guide
UBX-17011007 - R05
Product description
Page 11 of 21
1.6
Connectors
The available connectors on the EVK-NINA-W1/EVK-NINA-B2 board are shown in Figure 9.
Figure 9: EVK-NINA-W1/EVK-NINA-B2 connectors
Connector
Description
J1, J2, J3, J4
Connectors for accessing the NINA-W1 IO signals (GPIO)
J8
USB connector; type Micro-B
J10
Reserved
J21
RF-port at U.FL coaxial connector for external antenna (not used on EVK-NINA-B221 or EVK-NINA-W1x2)
J22
RJ45 connector, RMII to PHY
J23
2.1 mm Power jack, positive center pin, 5 – 12 V
Table 6: EVK-NINA-W1/EVK-NINA-B2 connector descriptions
1.7
Buttons
The EVK-NINA-W1/EVK-NINA-B2 evaluation board has four buttons as explained in Table 7. Two of
them can be connected to NINA pins via jumper configuration.
Button
Description
RESET
Reset button, triggers the reset logic that pulls module pin-19 low
BOOT
If reset is asserted pressing BOOT-switch will pull module pin-27 low
SW1
General function button connected to jumper J5 pin-2
SW2
General function button connected to jumper J6 pin-2
Table 7: EVK-NINA-W1/EVK-NINA-B2 buttons descriptions
