Ublox EVK-NINA-B1, Руководство пользователя

Страница: 7 / 21

EVK-NINA-B1 - User guide
UBX-15028120 - R11 Product description Page 7 of 21
Figure 3: EVK-NINA-B1 connectors
Connector Description
J1, J2, J3, J4 and J18 Connectors for accessing all GPIOs on NINA-B1
J12 Serial wire debug connector for NINA-B1 module
J10 U.FL connector for external antenna (EVK-NINA-B111 only)
J11 Pin header for NFC antenna connection
J5 Power jack
BT1 Battery holder
J8 USB connector
J15 Module VCC power rail header
J6 Module VCC_IO power rail header
J17 External 5-12V supply pin
Table 3: EVK-NINA-B1 connector description
Conn. NINA-B1
Pin No.
nRF52
pin Arduino
pin Description Schematic
net name Alternate functions and notes
J1 1 - N/C Not Connected - Not connected
2 - IOREF I/O reference voltage level.
Selectable by user to 1.7 – 3.6 V VDD_IO See section 1.7.1
3 P0.21 RESET Reset signal input. Active low logic RESET_N
4 - 3.3V 3.3 V DC regulated supply output 3V3