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treated memory access errors, i.e. processor state could not always be properly restored after a page fault; two MC68000s would be required, with the main CPU pausing when it got a memory access error, and the other CPU servicing the page fault. The limitation to 32 segment table entries per MMU made
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with support for memory management and protection of memory against unauthorized access. The block size was variable, so it was usually used for segment-based memory management. It supported the mapping of up to 32 memory segments or pages of a variable size from logical to physical addresses. To
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Motorola-Freescale-NXP processors and microcontrollers
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Virtual memory using the MC68000 and the MC68451 MMU
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259:(Datasheet). Motorola. April 1983. p. 4.-1.
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253:MC68451 MEMORY MANAGEMENT UNIT
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295:. 30 January 1984. p. 72
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218:) used their own proprietary
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604:Memory management units
364:Industrial control unit
216:Convergent Technologies
178:In combination with a
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40:improve this article
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29:This article
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890:expanding it
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849:PowerPC 5000
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580:coprocessors
437:68000 family
400:Hitachi 6309
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297:. Retrieved
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38:Please help
33:verification
30:
381:6800 family
929:Categories
844:PowerQUICC
675:PowerQUICC
490:DragonBall
398:see also:
356:Processors
238:References
66:newspapers
790:16/32-bit
737:6801/6803
685:PPC e6500
670:PPC e5500
505:-variants
128:Freescale
96:July 2022
813:DSP568xx
661:PPC 74xx
656:PPC e500
637:PPC e200
485:ColdFire
226:See also
136:Motorola
124:Motorola
651:PPC 7xx
642:PPC 6xx
628:PowerPC
565:MC88110
560:MC88100
542:68LC060
537:68EC060
532:68LC040
527:68EC040
522:68EC030
517:68EC020
512:68EC000
299:19 June
197:MC68010
192:MC68000
188:MC68000
180:MC68010
172:MC68010
168:MC68000
139:MC68010
120:MC68451
80:scholar
839:MPC5xx
834:M·CORE
827:32-bit
806:24-bit
781:68HC16
776:68HC12
771:68HC11
754:68HC08
749:68HC05
630:family
582:(FPUs)
427:68HC16
422:68HC12
417:68HC11
412:68HC08
407:68HC05
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797:683xx
731:8-bit
680:QorIQ
618:68851
613:68451
606:(MMU)
594:68882
589:68881
552:88000
480:68060
475:68040
470:68030
465:68020
460:68012
455:68010
450:68008
445:68000
371:14500
276:(PDF)
257:(PDF)
170:or a
126:(now
122:is a
87:JSTOR
73:books
886:stub
854:i.MX
764:RS08
745:6804
741:6802
703:i.MX
665:e600
646:e300
394:6809
389:6800
301:2024
220:MMUs
208:UNOS
118:The
59:news
759:S08
695:ARM
503:68k
161:die
42:by
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