EDN

VHDL 101 – From Logic Gates to Adders

VHDL is all about creating logic. As a descriptive language, all the HDL languages bring something unique to programming – making true parallel logic circuit. As we take baby steps into VHDL, we will ...
Electronic Design

VHDL Code Offloads LED Blinking Task To A CPLD

An earlier Idea For Design (“Hardware-Based LED Blinking Control Eliminates Software Overhead,” Sept. 27, 2007, p. 52) described a very interesting way to offload the software overhead required for a ...
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

VHDL Code Listing

IFD2303code.txt library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_ARITH.ALL; use IEEE.STD_LOGIC_UNSIGNED.ALL; entity LED_Driver is port ( clk: in std_logic; -- Clock input por: in ...
EDN

Accellera VHDL Standard

In July 2006, the Accellera board approved a revision VHDL standard (revision 1076-2006-D3.0) put forward by the Accellera VHDL Technical Subcommittee (VHDL TSC). As an Accellera standard, revision ...
Hackaday

CORDIC Brings Math To FPGA Designs

We are always excited when we see [Hamster] post an FPGA project, because it is usually something good. His latest post doesn’t disappoint and shows how he uses the CORDIC algorithm to generate very ...