MCU_FAMILY = NUMICRO MCU_SERIES = NUC123 # Bootloader selection BOOTLOADER = custom # linker script to use MCU_LDSCRIPT = NUC123xD4xx0 # startup code to use MCU_STARTUP = NUC123 BOARD = NUC123SD4AN0 # NUC123 series is Cortex M0 MCU = cortex-m0 # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7 ARMV = 6