- published: 31 Mar 2014
- views: 14643
VHDL (VHSIC Hardware Description Language) is a hardware description language used in electronic design automation to describe digital and mixed-signal systems such as field-programmable gate arrays and integrated circuits. VHDL can also be used as a general purpose parallel programming language.
VHDL was originally developed at the behest of the U.S Department of Defense in order to document the behavior of the ASICs that supplier companies were including in equipment.
The idea of being able to simulate the ASICs from the information in this documentation was so obviously attractive that logic simulators were developed that could read the VHDL files. The next step was the development of logic synthesis tools that read the VHDL, and output a definition of the physical implementation of the circuit.
Due to the Department of Defense requiring as much of the syntax as possible to be based on Ada, in order to avoid re-inventing concepts that had already been thoroughly tested in the development of Ada, VHDL borrows heavily from the Ada programming language in both concepts and syntax.
Should I learn Verilog or VHDL? They are both perfectly good HDLs for programming and modeling FPGA. They are both industry standard hardware description languages. At least there is only one TLA in that sentence. TLA? What is that? Three letter acronym. Which language should I learn? Verilog has been used a lot longer than VHDL. VHDL came out in 1987, while Verilog goes back to 1983. That's not a big difference when you consider it was 30 years ago. Whereas JavaScript frameworks showed up in 2009 and 2010, and a 12 month head start is a big deal. Verilog is probably easier to learn, assuming you don't need to learn PLI. What is PLI? The Programming Language Interface. Verilog sometimes only does as good a job at modeling as VHDL when using PLI too. Which one is easier to learn? ...
Philip Peter describes the development process of building a small, custom CPU. Philip is a software developer who was appalled that copy and pasting is still a preferred development tool in Eagle and other EDA suites. He developed a series of scripts to design and test circuits, and lay them out on a PCB. Read the accompanying post: http://hackaday.com/2016/05/16/reinventing-vhdl-badly/ Discrete CPU project: https://github.com/JustgeekDE/gatorV2 Spice Unit Testing: https://github.com/JustgeekDE/scoville
Introducing the Eduvance Learning App We have developed an Android app to make the process of getting started with the technologies easy and fun so you can make interesting projects and products. The app hosts free certificate courses on getting started with different technologies covering Basic Electronics, Embedded System, VLSI Design and more to come. Earn an online completion certificate in three simple steps: • Watch the lecture series • Qualify on regular quizzes • Pass the final quiz You can find the app on Google Play Store at : https://play.google.com/store/apps/details?id=in.eduvance.youtube
Fala galera! Este é o primeiro vídeo do nosso curso. Nessa aula vou mostrar um exemplo do uso de VHDL e FPGA na vida real, demonstrando a implementação de um detector de sequência com máquina de estados e um gerador PRBS. Fiz essa aula apenas pra mostrar pra vocês as possibilidades e esclarecer o uso dos FPGAs. Não se preocupem, tudo que disse vou explicar ao longo do curso, só quero dar um gás inicial!! Material: https://drive.google.com/folderview?id=0B5-FXC0TJbGjTktsaU9pNlRMZkE&usp;=drive_web Lista com todas as aulas: https://www.youtube.com/playlist?list=PLQ4bYmp0mquJEx7wLG8E8t3Un7GW5Z3pm Instale o App para receber notificações no seu navegador! http://myapp.wips.com/all-eletronics-group-2
Video Lectures on Digital Hardware Design by Prof. M. Balakrishnan
Complete set of Video Lessons and Notes available only at http://www.studyyaar.com/index.php/module/13-vhdl VHDL: Introduction, Entity Declaration, Examples, VHDL Architecture Types, Data Flow/ Concurrent Modelling, Concurrent Statements http://www.studyyaar.com/index.php/module-video/watch/37-vhdl-basic-concepts-and-concurrent-statements
In the previous lesson, I showed you the concepts of FPGAs and VHDL; we installed all the necessary software to start development; and we made a blink LEDs application. Here we will be diving into much deeper concepts, such as: 1. Approaches to laying out a top level design when using VHDL 2. How to handle button inputs with FPGAs (debouncing) 3. Creating clock dividers 4. Creating Registers 5. Creating a Finite State Machine (FSM) 6. How to build a Top Level Design in VHDL 7. View an RTL generated Schematic of your design 8. How to use the external pins on the Mercury Board All these topics are covered using a single example. Here, we're going to take in an external button press to count the amount of times the button was pressed. The count is displayed in binary on external LED...
VHDL basics, provided from Altera... VHDL introduction. VHDL design units. VHDL Architecture VHDL logic synthesis. VHDL hierarchical design. More info on: http://www.altera.com/education/edu-index.html Support small businesssss....... http://www.uniqueinteriordesign.co.uk
In this video I have demonstrated how to do the structural modelling of any circuit in vhdl. I have also made a separate video for the entity declaration and the link for that video is https://www.youtube.com/watch?v=x5Yk2azRSg8
[Hook: Tiara Thomas]
Is it bad that I never made love, no I never did it
But I sure know how to fuck
I'll be your bad girl, I'll prove it to you
I can't promise that I'll be good to you
Cause I had some issues, I won't commit
No, not having it
But at least I can admit that I'll be bad noooooo to
you (to you)
Yeah, I'll be good in bed but I'll be bad to you
Bad that I never made love, no I never did it
But I sure know how to fuck
[Verse 1: Fatal]
she been hurt, too many times,
she heard it all, knows all the lines,
and deep inside, loves on her mind
but she aint lookin........love is blind,
and shawty mine, without being mine
won't change her ways, but she a dime
and you say your fine, but I see the hurt,
we spendin time, cause I see your worth
puff, puff, pass...then we fuck and crash,
I don't commit, still I hope it lasts,
loves a jokes, but i love your laugh
and girl you bad, still my better half
what i rather have, no monogamy
you grindin slow, on top in me
love, someday? maybe, possibly,
but honestys, the policy,
i ain't tryin to be your man, girl i could just hit,
hand on your ass, i'm tryin to get a grip,
kissin, suckin, bitin on your lip,
make a few movies, wit no script
thats my bitch, fuckin right
count all day, fuck all night
You know i'm playin, but play along,
I never made love, girl am i wrong?
[Hook]
[Verse 2: Fatal]
I aint never made love, but ill fuck you right
ass so fat, and pussy so tight
we could do it all, if its only one night
fuck your man, you single tonight,
not quite, but oh well,
I wont tell if you dont tell,
late night, in the hotel,
gettin head, catrel
then i beat the pussy pronto,
fuck you all around the condo,
Go down south, call me sancho,
only give head, for the hancho
marlin brando, i'm a Don
like a light, turn me off, or on
never had love, am I wrong?
Thought I was, but the feelin gone,
better off alone, bad on my own
Be right there, when u call my phone
beat that pussy, grind and moan
when you wakin up, i'm gone,
I don't need love, i'm ridin solo,
still hoes, posin, like a photo
She a freak, only on the low tho
and if not, then its a no go