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Computing (FOLDOC) dictionary
Motorola 68050
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There was no 68050. The successor to the Motorola 68040 was
The even numbers (68000, 68020, 68060) were reserved for major
revisions to the 680x0 core. The odd numbers (68010, 68030,
68050) were minor upgrades from the previous chip. For
example, the Motorola 68010 was a Motorola 68000 with some
minor enhancements and modifications to some user/superuser
instruction assignments. The Motorola 68030 was a Motorola68020 with an MMU and more minor enhancements. The 68050
would have been a 68040 with some bugs fixed, which didn't
really warrant a new name so it was sold as a 68040.