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- Philips_68070 abstract "The SCC68070 is a Philips Semiconductors-branded, Motorola 68000-based 16/32-bit processor produced under license. While marketed externally as a high-performance microcontroller, it has been almost exclusively used combined with the Philips SCC66470 VSC (Video- and Systems Controller) in the Philips CD-i interactive entertainment product line. Additions to the Motorola 68000 core include: Operation from 4 - 17.5 MHz Inclusion of a minimal, segmented MMU supporting up to 16 MB of memory Built-in DMA controller I²C bus controller UART 16-bit counter/timer unit 2 match/count/capture registers allowing the implementation of a pulse generator, event counter or reference timer Clock generatorDifferences from the Motorola 68000 core include these: Instruction execution timing is completely different Interrupt handling has been simplified The SCC68070 has MC68010 style bus-error recovery. They are not compatible, so exception error processing is different. The SCC68070 lacks a dedicated address generation unit (AGU), so operations requiring address calculation run slower due to contention with the shared ALU. This means that most instructions take more cycles to execute, for some instructions significantly more, than a 68000. The MMU is not compatible with the Motorola 68451 or any other \"standard\" Motorola MMU, so operating system code dealing with memory protection and address translation is not generally portable. Enabling the MMU also cost a wait state on each memory access.While the SCC68070 is mostly binary compatible with the Motorola 68000, there is no equivalent chip in the Motorola 680x0 series. In particular, the SCC68070 is not a follow-on to the Motorola 68060.Even though the SCC68070 is a 32-bit processor internally, it has a 24-bit address bus, giving it a theoretical 16MB maximum RAM. However, this is not possible, as all of the on-board peripherals are mapped internally.".
- Philips_68070 thumbnail SCC68070.JPG?width=300.
- Philips_68070 wikiPageExternalLink 68070.txt.
- Philips_68070 wikiPageID "1223804".
- Philips_68070 wikiPageLength "2661".
- Philips_68070 wikiPageOutDegree "30".
- Philips_68070 wikiPageRevisionID "658851761".
- Philips_68070 wikiPageWikiLink Address_bus.
- Philips_68070 wikiPageWikiLink Address_generation_unit.
- Philips_68070 wikiPageWikiLink Binary_code_compatibility.
- Philips_68070 wikiPageWikiLink Category:68k_microprocessors.
- Philips_68070 wikiPageWikiLink Category:Freescale_Semiconductor.
- Philips_68070 wikiPageWikiLink Category:Microcontrollers.
- Philips_68070 wikiPageWikiLink Computer_RAM_Memory.
- Philips_68070 wikiPageWikiLink Direct_memory_access.
- Philips_68070 wikiPageWikiLink Input_capture.
- Philips_68070 wikiPageWikiLink I²C.
- Philips_68070 wikiPageWikiLink Memory_management_unit.
- Philips_68070 wikiPageWikiLink Microcontroller.
- Philips_68070 wikiPageWikiLink Motorola.
- Philips_68070 wikiPageWikiLink Motorola_68000.
- Philips_68070 wikiPageWikiLink Motorola_68000_series.
- Philips_68070 wikiPageWikiLink Motorola_68010.
- Philips_68070 wikiPageWikiLink Motorola_68060.
- Philips_68070 wikiPageWikiLink Motorola_68451.
- Philips_68070 wikiPageWikiLink NXP_Semiconductors.
- Philips_68070 wikiPageWikiLink Philips.
- Philips_68070 wikiPageWikiLink Philips_CD-i.
- Philips_68070 wikiPageWikiLink Programmable_interval_timer.
- Philips_68070 wikiPageWikiLink transmitter.
- Philips_68070 wikiPageWikiLink File:SCC68070.JPG.
- Philips_68070 wikiPageWikiLinkText "68070".
- Philips_68070 wikiPageWikiLinkText "Philips 68070".
- Philips_68070 wikiPageWikiLinkText "Philips SCC68070".
- Philips_68070 wikiPageUsesTemplate Template:Compu-hardware-stub.
- Philips_68070 subject Category:68k_microprocessors.
- Philips_68070 subject Category:Freescale_Semiconductor.
- Philips_68070 subject Category:Microcontrollers.
- Philips_68070 type Company.
- Philips_68070 comment "The SCC68070 is a Philips Semiconductors-branded, Motorola 68000-based 16/32-bit processor produced under license. While marketed externally as a high-performance microcontroller, it has been almost exclusively used combined with the Philips SCC66470 VSC (Video- and Systems Controller) in the Philips CD-i interactive entertainment product line.".
- Philips_68070 label "Philips 68070".
- Philips_68070 sameAs Q2205331.
- Philips_68070 sameAs SCC68070.
- Philips_68070 sameAs Philips_68070.
- Philips_68070 sameAs m.04jwv1.
- Philips_68070 sameAs Q2205331.
- Philips_68070 wasDerivedFrom Philips_68070?oldid=658851761.
- Philips_68070 depiction SCC68070.JPG.
- Philips_68070 isPrimaryTopicOf Philips_68070.
