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Create NTSC video output from CPLDs and FPGAs

PyroElectro shows how to make NTSC video with a FPGA: NTSC video is a standard that has been around almost as long as black and white TVs. It’s a true analog standard, but we can use digital FPGA...

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CPLD VGA resistor DAC

Chris from Pyroelectro informs us of his new tutorial describing the design of a VGA controller that uses a resistor DAC to create 512 unique VGA colors. He uses an Altera CPLD and VHDL code to create...

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MCPU – minimal CPU on a CPLD

Here’s a project from opencores by Tim Boscke known as MCPU. It creates a minimal CPU on a CPLD with at least 32 macrocells (such as our XC9572 CPLD Dev Board with 72 macrocells.) Tim describes: MCPU...

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SID player VHDL core

d18c7db was inspired by Markus’ SID audio file player so he implemented a SID player in VHDL: I spent some time this weekend and got some initial sounds out of my board. I’m using a Papilio FPGA board...

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Interface 16×2 LCD with Altera DE1 FPGA in VHDL

The Altera DE1 is an educational and development board based on the Cyclone II 2C20 FPGA and is commonly used in college and university courses on digital logic and FPGAs. Kiran writes to inform us of...

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VHDL communication with a PS/ 2 keyboard

Hamster has written VHDL code for interpreting data from a PS2 keyboard. It’s currently a work in progress and is designed to work with his Papilio S6 (the Spartan 6-based Papilio board paired with...

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Free ebook on VHDL programing

Free Range VHDL is a free ebook on VHDL programming. VHDL is a logic simulation and programming language used with FPGAs, and CPLDs. If you want to get started with VHDL here is an inexpensive way to...

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Free Model Foundry: open source CPLD/FPGA simulation models

Here’s a site we found containing open source simulation models for system level verification of CPLD/FPGA devices. “Founded in 1995, Free Model Foundry (FMF) is dedicated to promoting standard...

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VHDL tutorial using Xilinx CPLD

We’re always looking for good information on programmable logic devices, projects and tutorials. In our quest we discovered this tutorial on VHDL programming by the crew from StartingElectronics. The...

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Free digital design text book: Digital McLogic design

We previously covered the Free VHDL book.  Now Viswa tipped us to this Free digital design text book : Digital McLogic Design This text presents introductory digital logic design concepts and...

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NandLand – FPGA info and tutorial site

Russell is interested in working with FPGAs. He’s developed an educational website: www.nandland.com. “It’s an educational website for people interested in learning about FPGAs and ASICs, mostly by...

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Designing a CPU in VHDL

A detailed guide on designing a CPU in VHDL by Domipheus: This is part of a series of posts detailing the steps and learning undertaken to design and implement a CPU in VHDL. Previous parts are...

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Lattice iCE40 Ultra Plus FPGA: Gnarly Grey Upduino – Tutorial 1: The basics

A how-to getting an LED flashing using VHDL from Harris’ Electronics: The cheap price however comes with a few niggles, namely getting it up and running in the first place with the limited...

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