The Motorola 68EC030 reference article from the English Wikipedia on 24-Apr-2004
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Motorola 68EC030

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The 68EC030 is a microprocessor from Motorola. It is a lower cost version of the Motorola 68030, the difference between the two being that the 68EC030 does not have an on-chip memory management unit.

The 68EC030 was used as the CPU of one model of the Amiga 4000.