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In Chapter 6, real life problems will be handled using Digital System Design based on VHDL. In Introduction we give som of the recent advances in FPGA architecture and we implement BCD-to-Seven Segment Decoder to drive a Seven-Segment Display.

DSD_Chapter 6_Mighty Spartans in Action_Introduction.

Spartan2 and Spartan3 is the name assigned to FPGA developed by the company Xilinx. This name has come from the name Sparta of a City State in Greece in 1000BC. At that time there were two City States Sparta and Athens. Sparta had Oligarchy form of government whereas Athens had Democratic form of government.

Sparta was unique in the ancient times for its social system and constitution, which completely focused on military training and excellence and it dominated Greece peninsula up to 300BC. Subsequently by 100BC it was conquered by Romans. Its inhabitants were classified as Spartan citizens, who enjoyed full rights, non-Spartan free men raised as Spartans, freedmen and state-owned serfs (enslaved non-Spartan local population). Spartans underwent rigorous military training and education regimen, and Spartan soldiers were widely considered to be among the best in battle. Spartan women enjoyed considerably more rights and equality to men than elsewhere in the classical world. Spartans remained a city state which fascinated the people of all cultures and of all times. Thus we have FPGA named Spartan2 and Spartna3.

The following excerpts have been taken from EE Times:

“Since their introduction in the mid-80s, FPGAs have managed to wedge themselves as a fixture into the electronics design landscape. Sitting somewhere between off-the-shelf (OTS) logic, ASICs, OTS processors, and ASSPs, they continue to enjoy growth predictions beyond those of the rest of the semiconductor industry”.

An application specific standard product or ASSP is an Integrated Circuit that implements a specific function that appeals to a wide market. As opposed to ASIC that combines a collection of functions and designed by or for one customer, ASSPs are available as off-the-shelf components. ASSPs are used in all industries, from automotive to communications.

Examples of ASSPs are integrated circuits that perform video and/or audio encoding and/or decoding.

“The latest high-end devices: 28 nm silicon, more metallization layers than ever before, and equivalent gate counts that would see any self-respecting ASIC proud. Historically, these leading edge devices have found the greatest use in networking, DSP, and military/aerospace applications. These are domains where raw performance requirements exceed those available from software-only solutions, but whose volumes cannot always justify the costs of custom silicon development. These devices are more than capable of hosting a full 32-bit soft processor core running at around 50 to 100 MHz as well as several soft peripherals such as a video display driver, UART, Ethernet controller, or IDE controller”.

“Field-programmable gate arrays (FPGAs) have become incredibly capable with respect to handling large amounts of logic, memory, digital-signal-processor (DSP), fast I/O, and a plethora of other intellectual property (IP)”.“At 28-nm, FPGAs deliver the equivalent of a 20- to 30-million gate application-specific integrated circuit (ASIC). At this size, FPGA design tools, which have traditionally been used by just one or two engineers on a project, begin to break down. It is no longer practical for a single engineer, or even a very small design team, to design and verify these devices in a reasonable amount of time”.“Due to recent technological developments, high-performance floating-point signal processing can, for the first time, be easily achieved using FPGAs. To date, virtually all FPGA-based signal processing has been implemented using fixed-point operations. This white paper describes how floating-point technology on FPGAs is not only practical now, but that processing rates of one trillion floating-point operations per second (teraFLOPS) are feasible—and on a single FPGA die. Medical imaging equipment is taking on an increasingly critical role in healthcare as the industry strives to lower patient costs and achieve earlier disease prediction using noninvasive means. To provide the functionality needed to meet these industry goals, equipment developers are turning to programmable logic devices such as Altera's FPGAs”.

Questions & Answers

what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
yes that's correct
I think
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
How we are making nano material?
what is a peer
What is meant by 'nano scale'?
What is STMs full form?
scanning tunneling microscope
how nano science is used for hydrophobicity
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
what is differents between GO and RGO?
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
analytical skills graphene is prepared to kill any type viruses .
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
The nanotechnology is as new science, to scale nanometric
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
sciencedirect big data base
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Digital system design using vhdl. OpenStax CNX. Apr 01, 2013 Download for free at http://cnx.org/content/col11213/1.8
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