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In electronic design a semiconductor intellectual property core, IP block, IP core, or logic core is a reusable unit of logic, cell, or chip layout design and is also the intellectual property of one party.
IP cores may be licensed to another party or can also be owned and used by a single party alone.
The term is derived from the licensing of the patent and source code copyright intellectual property rights that subsist in the design.
IP cores can be used as building blocks within ASIC chip designs or FPGA logic designs.
In digital-logic applications, IP cores are typically offered as generic gate netlists.
The netlist is a boolean-algebra representation (gates, standard cells) of the IP's logical-function, analogous to an assembly-code listing for a high-level program application.
The netlist protects the vendor against reverse-engineering, while maintaining portability to multiple foundry targets.
Some vendors also offer synthesizable versions of their IP cores.
Synthesizable cores are delivered in a hardware description language such as Verilog or VHDL, permitting customer modification (at the functional level). Both netlist and synthesizable cores are called 'soft cores', as both follow the SPR design-flow (synthesis, placement and route.) Source: Wikipedia (http://en.wikipedia.org/wiki/Semiconductor_intellectual_property_core)
Here are the best overviews and tutorials for cores:
- overview, 4 stars
-
Semiconductor intellectual property core @ Wikipedia
In electronic design a semiconductor intellectual property core, IP block, or IP core is a reusable unit of logic, cell, or chip layout design and is also the intellectual property of one party.
IP cores may be licensed to another party or can also be owned and used by a single party alone.
The term is derived from the licensing of the patent and source code copyright intellectual property rights that subsist in the design.
An uncommon...
- overview, 3 stars
-
Soft microprocessor @ WIkipedia
soft microprocessor (also called softcore microprocessor or a soft processor) is a microprocessor core that can be wholly implemented using logic synthesis.
It can be implemented via different semiconductor devices containing programmable logic (e.g., FPGA, CPLD). [edit] Core comparision Processor Developer Open Source Bus Support Notes Project Home OpenSPARC T1 Sun Yes 64-bit OpenSPARC.net MicroBlaze Xilinx No OPB, FSL, LMB ...
To browse all sites for 'CORES,' click
here
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