Motorola Based Architectures

Motorola 68040 Die Photo by Pauli Rautakorpi.
Motorola 68040 Die Photo by Pauli Rautakorpi.

Motorola 68000 Family

The Motorola 68000 is a 16/32-bit CISC microprocessor core designed and marketed by Motorola Semiconductor Products Sector. Introduced in 1979 with HMOS technology as the first member of the successful 32-bit m68k family of microprocessors, it is generally software forward compatible with the rest of the line despite being limited to a 16-bit wide external bus. After 30 years in production, the 68000 architecture is still in use.

Motorola 68010

The Motorola MC68010 processor is a 16/32-bit microprocessor from Motorola, released in 1982. It fixes several small flaws in the 68000, and adds a few features. The 68010 was pin-compatible with the 68000, but was not 100% software compatible.

MC68010RC10

MC68010RC10
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Motorola 68040

The Motorola 68040 is a microprocessor from Motorola, released in 1990. It is the successor to the 68030 and is followed by the 68060. There was no 68050.

The 68040 was the first 680x0 family member with an on-chip FPU. It thus included all of the functionality that previously required external chips, namely the FPU and MMU, which was added in the 68030. It also had split instruction and data caches of 4 KB each. It was fully pipelined, with six stages.

Versions of the 68040 were created for specific market segments, including the 68LC040, which removed the FPU.

XC68040RC25B

Motorola XC68040RC25B Die Picture by Pauli Rautakorpi - Published under the Creative Commons Attribution 3.0 Unported license. Slightly edited by HARDWARECOP.

XC68040RC25B
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XC68LC040RC25B


XC68LC040RC25B
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