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The '''Motorola MC68012''' processor is a 16/32-bit ] from the early 1980s. It is an 84-pin ] version of the ] ]. The memory space was extended to 2] (causing the same issue as the ] for any programs using the high byte of an address except those only using the high bit) and an ] pin was added<ref>http://www.datasheetarchive.com/specsheet/MC68012RC12.html</ref>. All other features of the MC68010 were preserved.
The '''Motorola MC68012''' processor is a 16/32-bit ] from the early 1980s. It is an 84-pin ] version of the ] ]. The memory space was extended to 2] (causing the same issue as the ] for any programs using the high byte of an address except those only using the high bit) and an ] pin was added, in order to help the design of multiprocessor systems with virtual memory<ref>http://www.datasheetarchive.com/specsheet/MC68012RC12.html</ref><ref>Avtar, Singh. 16-Bit and 32-Bit Microprocessors: Architecture, Software, and Interfacing Techniques. New Jersey. Englewood Cliffs. 1991
</ref>. All other features of the MC68010 were preserved.
== Notes and references ==
== Notes and references ==
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{{Motorola processors}}
{{Motorola processors}}
Revision as of 05:07, 24 July 2008
The Motorola MC68012 processor is a 16/32-bit microprocessor from the early 1980s. It is an 84-pin PGA version of the MotorolaMC68010. The memory space was extended to 2GB (causing the same issue as the 68020 for any programs using the high byte of an address except those only using the high bit) and an RMC pin was added, in order to help the design of multiprocessor systems with virtual memory. All other features of the MC68010 were preserved.
