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
