Sparkfun nRF52832 Breakout

The Sparkfun nRF52832 Breakout is basic board providing access to all I/O pins, a 32kHz crystal and LED.

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Sparkfun nRF52832 Breakout

Features

  • nRF52832 MCU (QFAAB0), 512K FLASH and 64 SRAM

  • Reset and user button

  • Power LED (blue) and user LED (red)

  • 32768 Hz crystal

  • NFC antenna connection pads

  • Cortex Debug connector

  • UART + SWD header

Pin Mapping

Pin

Signal

Notes

P0.06

User Button

Active LOW

P0.07

User LED

Active LOW

P0.26

UART TXO

P0.27

UART RXI

Configurations

nsh

Basic NuttShell configuration (console enabled in UART0, at 115200 bps).

Flash & Debug

An external debugger is required, so the procedure to flash/debug depends on the chosen interface. Using an ST-Link V2 you can flash using OpenOCD with:

openocd -f interface/stlink-v2.cfg -f target/nrf52.cfg -c "program nuttx/nuttx.bin 0x0000000 verify reset; shutdown"