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 ...
EDN

VHDL 101 – Hierarchy in VHDL Code

All designs need structure to make them easy to develop and maintain. We all use abstraction in our designs regardless of if it being electronics, software, or mechanical. In this article we will look ...
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 ...