Verilog tutorial

Verilog Tutorial By Deepak Kumar Tala http //www asic−world com 1 DISCLAIMER I don''''t makes any claims, promises or guarantees about the accuracy, completeness, or adequacy of the contents of this tuto[.]

Verilog Tutorial By Deepak Kumar Tala http://www.asic−world.com DISCLAIMER I don't makes any claims, promises or guarantees about the accuracy, completeness, or adequacy of the contents of this tutorial and expressly disclaims liability for errors and omissions in the contents of this tutorial No warranty of any kind, implied, expressed or statutory, including but not limited to the warranties of non−infringement of third party rights, title, merchantability, fitness for a particular purpose and freedom from computer virus, is given with respect to the contents of this tutorial or its hyperlinks to other Internet resources Reference in this tutorial to any specific commercial products, processes, or services, or the use of any trade, firm or corporation name is for the information, and does not constitute endorsement, recommendation, or favoring by me All the source code and Tutorials are to be used on your own risk All the ideas and views in this tutorial are my own and are not by any means related to my employer www.asic−world.com INTRODUCTION CHAPTER www.asic−world.com Introduction Verilog is a HARDWARE DESCRIPTION LANGUAGE (HDL) A hardware description Language is a language used to describe a digital system, for example, a network switch, a microprocessor or a memory or a simple flip−flop This just means that, by using a HDL one can describe any hardware (digital ) at any level 1// D flip−flop Code 2module d_ff ( d, clk, q, q_bar); 3input d ,clk; 4output q, q_bar; 5wire d ,clk; 6reg q, q_bar; 8always @ (posedge clk) 9begin 10 q