# define the CPU architecture for the k22f
  export CPU_ARCH = cortex-m4
  export CPU_FAMILY = kx
  
  # map CPU models to generic Kinetis linker script
  LD_MK22FN512VLH12 = kinetis_f512l64u64.ld
  LD_MK22FN512VLL12 = kinetis_f512l64u64.ld
  LD_MK22FN512VDC12 = kinetis_f512l64u64.ld
  LD_MK22FN512VMP12 = kinetis_f512l64u64.ld
  
  # tell the build system that the CPU depends on the Kinetis common files
  export USEMODULE += kinetis_common
  
  # define path to kinetis module, which is needed for this CPU
  export KINETIS_COMMON = $(RIOTCPU)/kinetis_common/
  # CPU depends on the kinetis module, so include it
  include $(KINETIS_COMMON)Makefile.include
  
  # this CPU implementation is using kinetis common startup
  export COMMON_STARTUP = $(KINETIS_COMMON)
  
  # add the CPU specific system calls implementations for the linker
  export UNDEF += $(BINDIR)/cpu/vectors.o
  
  include $(RIOTMAKE)/arch/cortexm.inc.mk