Connectors

Type-C

J1: USB Type-C power connector

nRF52 Signals:

  • USB_DETECT signal

Battery

J2 : 2-pin JST PH 2.00mm-pitch Battery connector.

Battery connector (J2) pinout

Pin

Signal

Description

1

BAT

Battery supply

2

GND

Ground

NFC

J3: U.FL connector for an external NFC antenna.

NFC connector (J3) pinout

Pin

Signal

Description

1

NFC1

NFC

2

NFC2

NFC

SWD

P1: 6-pin footprint for a Tag-Connect TC2030-IDC-NL In-Circuit Programming cable for the SWD interface of the nRF52832.

SWD footprint (P1) pinout

Pin

Signal

Description

1

VDD

Target VDD (Vsupply)

2

SWDIO

Serial Wire Data I/O (SWDIO)

3

NRST

Target Reset (nRST)

4

SWDCLK

Serial Wire Clock (SWDCLK)

5

GND

Ground

6

SWO

Serial Wire Output (SWO)

UART

JP1: 3-pin pin header for the UART interface of the nRF52832.

UART pin header (JP1) pinout

Pin

Signal

Description

1

UART_TXD

UART Transmit

2

UART_RXD

UART Receive

3

GND

Ground