Motorola 68030 68030 MC68030 <processor> A 32-bit {microprocessor} in {Motorola}'s {Motorola 68000} family, with on-chip split instruction and data {cache} of 256 {bytes} each. The 68030 has an on-chip {MMU} (except in the 680EC30 version). The 68881 and the faster 68882 {FPU} chips could be used with the 68030. The 68030 was the successor to the {Motorola 68020}, and was followed by the {Motorola 68040}. The 68030 is used in many models of the {Apple Macintosh} II series of {personal computers}. (2001-01-08)