export CPU_ARCH = cortex-m4f
  export CPU_FAM  = nrf52
  
  # Export internal ROM alignment and slot sizes for bootloader support
  export IMAGE_ALIGN = 8
  export SLOT0_SIZE = 0x8000
  export SLOT1_SIZE = 0x3C000
  export SLOT2_SIZE = 0x3C000
  
  include $(RIOTCPU)/nrf5x_common/Makefile.include
  include $(RIOTMAKE)/arch/cortexm.inc.mk