The Freescale ColdFire is a microprocessor that derives from the Motorola 68000 family architecture, manufactured for embedded systems development by Freescale Semiconductor (formerly the semiconductor division of Motorola).
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The instructions are only 16, 32, or 48 bits long, a simplification compared to the 68000 series.
The Motorola 68030 ("sixty-eight-oh-thirty") is a 32-bit microprocessor in Motorola's 68000 family.
NeXT's first operating system was NeXTSTEP, a sophisticated Mach-UNIX based operating system that originally ran only on NeXT's Motorola 68k-based workstations and that was then ported to run on 32-bit Intel x86-based "IBM-compatible" personal computers, PA-RISC-based workstations from Hewlett-Packard, and SPARC-based workstations from Sun Microsystems.
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most processors (including those of the Intel/AMD x86-32/x86-64 family, the Motorola 68000 family, the AIM PowerPC family, the ARM family, and the Sun SPARC family) set the signaled/quiet bit to non-zero if the NaN is quiet, and to zero if the NaN is signaling.
It originally came equipped with a dual 680x0 (68020 or 68030) processor configuration running at 16-25 MHz, later shifting to the MIPS R3000 and R4000 RISC microprocessors.