Sparkfun nRF52832 Breakout
The Sparkfun nRF52832 Breakout is basic board providing access to all I/O pins, a 32kHz crystal and LED.
![../../../../../_images/board.jpg](../../../../../_images/board.jpg)
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 |
---|---|---|
P0.6 |
User Button |
Active LOW |
P0.7 |
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"