sentence: architectures rtems has been ported to various target processor architectures : arm atmel avr blackfin freescale coldfire texas instruments c3x/c4x dsps h8/300 intel 80386 , pentium , and above members of the x86 architecture lattice mico32 68k mips nios ii powerpc renesas m32c renesas m32r renesas superh sparc erc32 leon sparc v9 uses rtems is used in many application domains .