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 ...
EDN

VHDL 101 – IF, CASE, and WHEN in a Process

Last time, in the third installment of VHDL we discussed logic gates and Adders. Let’s move on to some basic VHDL structure. All HDL languages bridge what for many feels like a strange brew of ...
Hackaday

Simulating VHDL Of An AVR8 Soft Processor

Okay, now we’re beginning to feel a bit like [Alice]. This tutorial shows you how to simulate VHDL code. This code is intended to run on an FPGA and includes a software-only version of the AVR 8-bit ...
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 ...
Electronic Design

A Good Methodology Helps Design Teams Check RTL Code

Many of today's large, complex designs can contain thousands of lines of Verilog or VHDL code. Quite often, teams of engineers—with some members possibly situated in disparate locations worldwide—will ...