ST Nucleo G0B1RE

Board Information
The Nucleo G0B1RE is a member of the Nucleo-64 board family, based on the MB1360 reference board, featuring the STM32G0B1RET6U MCU. The STM32G0B1RE is a 64 MHz Cortex-M0+ architecture with 512 KByte Flash memory (Dual bank) and 144 KByte SRAM.
The board features:
On-board ST-LINK/V2-1 debugger/programmer
1 user LED
User and reset push-buttons
32.768 kHz crystal oscillator
Board connectors: - ARDUINO Uno V3 expansion connector - ST morpho extension
Refer to http://www.st.com and UM2324 for further information about this board.
Serial Console
The default console is the virtual serial console through ST-LINK:
Nucleo Virtual Console
The virtual console uses serial port 2 (UART2) with TX on PA2 and RX on PA3.
VCOM Signal
Pin
SERIAL_RX
PA3
SERIAL_TX
PA2
These signals are internally connected to the on board ST-Link.
The Nucleo virtual console is the default serial console on all configurations unless stated otherwise in configuration description.
Configurations
nsh:
This configuration provides a basic NuttShell configuration (NSH) on the Nucleo virtual console (VCOM on UART2).