Fundamentals of VHDL for FPGA Programming Using Vivado

Enables readers to understand VHDL in the context of FPGA programming with a focus on the Vivado Design Suite Fundamentals of VHDL for FPGA Programming Using Vivado is a comprehensive guide designed to introduce readers to VHSIC Hardware Description Language (VHDL) and its application in Field Programmable Gate Array (FPGA) programming, particularly using the Vivado Design Suite by Xilinx. The inclusion of hands-on protocol-based projects for FPGA and MicroBlaze allows readers to apply what they have learned in practical scenarios, helping to reinforce understanding and develop problem-solving skills. This book includes information on: What FPGAs are, how they work, and why they are widely used in digital systems due to various advantages Basic concepts of VHDL necessary for understanding digital design, including syntax, data types, and structures Best practices in VHDL coding and FPGA design to enhance the quality of designs and reduce debugging time The Vivado toolchain and its use in designing, simulating, and implementing VHDL code on FPGA devices Accessible yet comprehensive, Fundamentals of VHDL for FPGA Programming Using Vivado is an essential learning resource for students aiming to start their careers in FPGA or VLSI system design and new professionals in the FPGA field seeking to build foundational skills and knowledge.

Table of Contents:
About the Author xi Preface xii Acknowledgments xiii About the Companion Website xiv 1 Overview 1 1.1 Introduction 1 1.2 Introduction to VHDL 2 2 Creating a Project in Vivado 5 2.1 Introduction 5 2.2 Creating a Project 5 3 The VHDL Design Structure 13 3.1 Introduction 13 3.2 The VHDL Keywords 13 3.3 The VHDL Libraries 19 3.4 The VHDL Entities and Architecture 25 3.5 The VHDL Generics 27 4 The VHDL Statements and Data Types 31 4.1 Introduction 31 4.2 The VHDL Data Types 32 4.3 The VHDL Integers 35 4.4 The When-Else Statement 36 4.5 Concurrent Versus Sequential Statements 37 5 The Simulations in Vivado 41 5.1 Introduction 41 5.2 The Shift Register Design 42 5.3 Shift Register Test Bench Design 44 5.4 Vivado Simulator Tool Introduction 46 5.5 Running a Simulation in Vivado 47 5.6 Navigating Vivado Simulations 52 6 The Buttons and LEDs Project 61 6.1 Introduction 61 6.2 Buttons and LEDs Complete Design Walk-through 61 6.3 The Button_LED Arty A7 IO Placement 63 6.4 Generate a Xilinx Programming File 66 6.5 Simulation of Button_LED Project 71 7 The Blinky LEDs Project 75 7.1 Introduction 75 7.2 Constants and Signals 75 7.3 The VHDL Processes 78 7.4 The VHDL If Statements 81 7.5 The If Statement Priority Example 85 7.6 The Blinky LEDs Project IO Placement 90 8 The LED Brightness Project 93 8.1 Introduction 93 8.2 The PWM VHDL Design 94 8.3 The VHDL Generate Statement 101 8.4 The Counter Design 103 8.5 The VHDL Component Instantiations 110 8.6 The LED Brightness Arty A7 IO Placement 120 9 The UART Demonstration Project 125 9.1 Introduction 125 9.2 The MicroBlaze Softcore Processor 129 9.3 The Xilinx Software Development Kit 133 9.4 The UART Demonstration Arty A7 IO Placement 146 10 The UART IO and Register Access 149 10.1 Introduction 149 10.2 The UART IO Complete Design 153 10.3 The UART IO Arty A7 IO Placement 160 11 The ADC Processing Project 163 11.1 Introduction 163 11.2 Using the Xilinx XADC and MicroBlaze MCS 166 11.3 The MicroBlaze MCS ADC Configuration 171 11.4 Interfacing with the XADC Core 172 11.5 The ADC Processing Arty A7 IO Placement 181 12 The SPI Interface Project 183 12.1 Introduction 183 12.2 Overview of the SPI Interface 186 12.3 The SPI Interface Design Strategy 189 12.4 External SPI Flash Chip Memory Organization 191 12.5 The SPI Configuration and File Generation 193 13 Some Miscellaneous Projects with Vivado 197 13.1 Introduction 197 13.2 The I2C Interface Project 197 13.3 The VHDL CORDIC Sine-Cosine Generator 199 13.4 The Trailing Edge PWM in VHDL 204 13.5 The LUT-based Sine Wave in VHDL 219 13.6 The Symmetrical PWM in VHDL 229 14 Generating VHDL Code for Vivado Using Simulink HDL Coder 247 14.1 Introduction 247 14.2 The Half Adder Circuit Design 247 14.3 Sequential Circuit and State Flow Chart Modeling 253 14.4 The Basic PWM Design 262 15 Application of Flowcharts in Simulink for VHDL Code Generation 271 15.1 Flowchart of Multiplier 271 15.2 Flowchart of GCD Calculator 283 15.3 Flowchart of Booth’s Multiplication 291 15.4 Flowchart of an Industrial Control System 299 16 Machine Learning Regression Model on FPGA 311 16.1 Introduction 311 16.2 The Kaggle Dataset 311 16.3 Machine Learning Regression Model for Admission Dataset 311 16.4 The Regression Model in Simulink 316 16.5 Using Generated VHDL Code in Vivado 320 17 Machine Learning Binary Classification Model on FPGA 327 17.1 Introduction 327 17.2 The Kaggle Dataset 327 17.3 The Binary Classification (Logistic Regression) 327 17.4 Machine Learning Logistic Regression Model for Dataset 329 17.5 The Logistic Regression Model in Simulink 337 17.6 Using Generated VHDL Code in Vivado 348 18 Deploying a Deep Neural Network on FPGA 355 18.1 Introduction 355 18.2 The Kaggle Dataset 355 18.3 Introduction to Neural Networks 355 18.4 Piecewise Linear Approximation of Activation Functions 357 18.5 Training the Neural Network Model 368 18.6 Using Generated VHDL Code in Vivado 389 Index 395

About the Author :
Majid Pakdel received his Master’s degree in Electrical Power Engineering from Isfahan University of Technology, Iran, in 2007, his PhD in Electrical Power Engineering from University of Zanjan in 2018, and his second Masters degree in Computer Engineering-Artificial Intelligence and Robotics from Malek Ashlar University of Technology, Tehran, in 2023. He has published over 20 papers and books in the fields of electrical engineering and computer science.