Synchronous Sequential Circuit Design

1. 7/6/2012 55:032 - Introduction to Digital Design Page 1 Synchronous Sequential Circuit Design

2. 7/6/2012 55:032 - Introduction to Digital Design Page 2 Motivation Analysis of a few simple circuits Generalizes to Synchronous Sequential Circuits (SSC) Outputs are Function of State (and Inputs) Next States are Functions of State and Inputs Used to implement circuits that control other circuits "Decision Making" logic Application of Sequential Logic Design Techniques Word Problems Mapping into formal representations of SSC behavior Case Studies

3. 7/6/2012 55:032 - Introduction to Digital Design Page 3 Overview Concept of the Synchronous Sequential Circuits Partitioning into Datapath and Control When Inputs are Sampled and Outputs Asserted Basic Design Approach Six Step Design Process Alternative SSC Representations State Diagram, VHDL Moore and Mealy Machines Definitions, Implementation Examples Word Problems Case Studies

4. 7/6/2012 55:032 - Introduction to Digital Design Page 4