Connections
J-Link
20 pin connector:
- 1: VTref / 2: NC
- 3: Not used / 4: GND
- 5: J-Link TX / 6: GND
- 7: SWDIO / 8: GND
- 9: SWDCLK / 10: GND
- 11: Not used / 12: GND
- 13: SWO / 14: GND *
- 15: RESET / 16: GND *
- 17: J-Link RX / 18: GND *
- 19: 5V supply / 20: GND *
Note: *: Reserved connections, might not be connected internally in J-Link adapter.
Connections:
- GND / GND
- VTref / V33
- 5V supply / VBUS
- SWDCLK / TCK
- SWDIO / TMS
To enable power from the JLink adapter run:
> power on
ST-Link V2 to mini board
- debugger / Board
- GND / GND
- 5V / VBUS
- SWDCLK / TCK
- SWDIO / TMS
To run OpenOCD
cd openocd
openocd -f openocd-stlink.cfg
Resources
- https://primalcortex.files.wordpress.com/2017/06/nrf52832-module-test-board-v1-0.pdf
- https://primalcortex.wordpress.com/2017/11/06/starting-up-with-the-nordic-nrf52-ble-chip/
- https://micooke.github.io/nRF52832_TaidaCentury_GoldCore.html