MCU_FAMILY=NUMICRO
MCU_SERIES=NUC123
# Bootloader selectionBOOTLOADER=custom
# linker script to useMCU_LDSCRIPT=NUC123xD4xx0
# startup code to useMCU_STARTUP=NUC123
BOARD=NUC123SD4AN0
# NUC123 series is Cortex M0MCU=cortex-m0
# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7ARMV=6