Tips about an FPGA 02/09/2018 J.C. special topic FPGA ( - PowerPoint PPT Presentation

Mar 02, 2024 •231 likes •303 views

Tips about an FPGA 02/09/2018 J.C. special topic FPGA ( field-programmable gate array ) FPGA : An integrated circuit (IC) designed to be configured by customer or designer after manufacturing -- Developed in ~80s -- Widely used (customer

Tips about an FPGA 02/09/2018 J.C. special topic
FPGA ( field-programmable gate array ) FPGA : An integrated circuit (IC) designed to be configured by customer or designer after manufacturing -- Developed in ~80s -- Widely used (customer level) from ~90s -- Handling digital signal Spec comparison ( number of cells, power consumption, cost )
ASIC ? ・ Cost per one chip : FPGA > ASIC -- but for ASIC, usually, you need to order in unit of lot ・ Initial (development) cost : ASIC >> FPGA -- including facilities, capability of reutilization etc. ・ Analogue/Degital : FPGA can not deal with analog signal ( there are already attempts to process analogue signal in FPGA ...)
What they are doing .... ? After compilation the firmware In the IC, there are many (huge amount of ) cells, and what we have to do is to connect the cells like making a road or route.
HDL (Hardware Description Language) ・ Computer language used to described the behavior of IC. -- The definition of “firmware” is a software which define & control hardwares , therefore, we can often call it “firmware” as well. ・ There are many kinds of HDL , like the other programming language. Major ones are “Verilog” and “VHDL” . So far, I have used “VHDL”, and now I am still learning “Verilog” for KC705.
Just examples from my code Verilog VHDL
New features ・ Embedded CPU -- Hard CPU : CPU is really embedded inside of FPGA, and can be connected ) -- Soft CPU : CPU is realized by firmware and act as if it is a CPU. Need resources, but reduce developing cost, if resources are OK. ・ Usage of programming language like C++ -- “and” / “or” / “not” and their combination ( at the very beggining ) -- HDL (now) ---> behavior description is available. -- Programming language, such as C++ For me, this is under developing stage.

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