EDN

EDN Access–04.10.97 VHDL and Verilog fundamentals–expressions, operands, and operators

The data objects in VHDL and Verilog form expression operands. Knowing the operand differences between the two HDLs helps you write more efficient chip-design code. Expressions consist of operators ...
Hackaday

FPGA Used VHDL For Fractals

Over on GitHub, [ttsiodras] wanted to learn VHDL. So he started with an algorithm to do Mandelbrot sets and moved it to an FPGA. Because of the speed, he was able to accomplish real-time zooming. You ...
EDN

VHDL 101 – Tick Tock Processing Clocks

So far we have been looking at the more basic structure of VHDL and using combinational logic circuits. In this article, however, we will look at how to use and interface clock signals, the beating ...
TechRepublic

Design and Simulation of 8255 Programmable Peripheral Interface Adapter Using VHDL

The 8255A Programmable Peripheral Interface (PPI) implements a general-purpose I/O interface to connect peripheral equipment to a microcomputer system bus. The core’s functional configuration is ...
Hackaday

Did You Know YoSys Knows VHDL Too?

We’ve been fans of the Yosys / Nextpnr open-source FPGA toolchain for a long while now, and like [Michael] we had no idea that their oss-cad-suite installer sets up everything so that you can write in ...