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VHDL by Gaganpreet Kaur

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4

Behavioural Modelling

CHAPTER OBJECTIVES
  • To understand the sequential modelling and its difference from the concurrent
  • Use of process statement
  • Use of EVENT attribute
  • Differences between signals and variables
  • Learn conditional statements
  • Learn looping constructs
  • To know about postponed processes
  • Differences between an active process and a passive process
  • To be able to design sequential circuits
4.1 INTRODUCTION

Behavioural modelling describes the highest level of abstraction in the circuit design using VHDL, where the circuit to be designed is described in terms of behaviour of output in response to the changes in the input. It describes a circuit at a functional level. It is a sequential style of modelling wherein a sequence of statements ...

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