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- Q3569455 subject Q15283970.
- Q3569455 subject Q7112360.
- Q3569455 abstract "The Wishbone Bus is an open source hardware computer bus intended to let the parts of an integrated circuit communicate with each other. The aim is to allow the connection of differing cores to each other inside of a chip. The Wishbone Bus is used by many designs in the OpenCores project.A large number of open-source designs for CPUs and auxiliary computer peripherals have now been released with Wishbone interfaces. Many can be found at OpenCores, a foundation that attempts to make open-source hardware designs available.Wishbone is intended as a "logic bus". It does not specify electrical information or the bus topology. Instead, the specification is written in terms of "signals", clock cycles, and high and low levels.This ambiguity is intentional. Wishbone is made to let designers combine several designs written in Verilog, VHDL or some other logic-description language for electronic design automation. Wishbone provides a standard way for designers to combine these hardware logic designs (called "cores").Wishbone is defined to have 8, 16, 32, and 64-bit buses. All signals are synchronous to a single clock but some slave responses must be generated combinatorially for maximum performance. Wishbone permits addition of a "tag bus" to describe the data. But reset, simple addressed reads and writes, movement of blocks of data, and indivisible bus cycles all work without tags.Wishbone is open source, which makes it easy for engineers and hobbyists to share public domain designs for hardware logic on the Internet. To prevent preemption of its technologies by aggressive patenting, the Wishbone specification includes examples of prior art, to prove its concepts are in the public domain.A device does not conform to the Wishbone specification unless it includes a data sheet that describes what it does, bus width, utilization, etc. Promoting reuse of a design requires the data sheet. Making a design reusable in turn makes it easier to share with others.".
- Q3569455 thumbnail Wishbone_Interface.svg?width=300.
- Q3569455 wikiPageExternalLink appnote_01.pdf.
- Q3569455 wikiPageExternalLink soc_bus_comparison.pdf.
- Q3569455 wikiPageExternalLink wbspec_b3.pdf.
- Q3569455 wikiPageExternalLink wbspec_b4.pdf.
- Q3569455 wikiPageExternalLink opencores,wishbone.
- Q3569455 wikiPageWikiLink Q1194864.
- Q3569455 wikiPageWikiLink Q12139145.
- Q3569455 wikiPageWikiLink Q15283970.
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- Q3569455 wikiPageWikiLink Q1801201.
- Q3569455 wikiPageWikiLink Q1929149.
- Q3569455 wikiPageWikiLink Q209455.
- Q3569455 wikiPageWikiLink Q37156.
- Q3569455 wikiPageWikiLink Q379630.
- Q3569455 wikiPageWikiLink Q39162.
- Q3569455 wikiPageWikiLink Q5300.
- Q3569455 wikiPageWikiLink Q5358364.
- Q3569455 wikiPageWikiLink Q7095989.
- Q3569455 wikiPageWikiLink Q7112360.
- Q3569455 wikiPageWikiLink Q76505.
- Q3569455 wikiPageWikiLink Q80831.
- Q3569455 wikiPageWikiLink Q827773.
- Q3569455 wikiPageWikiLink Q851141.
- Q3569455 comment "The Wishbone Bus is an open source hardware computer bus intended to let the parts of an integrated circuit communicate with each other. The aim is to allow the connection of differing cores to each other inside of a chip. The Wishbone Bus is used by many designs in the OpenCores project.A large number of open-source designs for CPUs and auxiliary computer peripherals have now been released with Wishbone interfaces.".
- Q3569455 label "Wishbone (computer bus)".
- Q3569455 depiction Wishbone_Interface.svg.