VHDL Structural Modeling II
|
|
|
- Cornelius Briggs
- 6 years ago
- Views:
Transcription
1 VHDL Structural Modeling II ECE-331, Digital Design Prof. Hintz Electrical and Computer Engineering 5/7/ _13 1
2 Ports and Their Usage Port Modes in reads a signal out writes a signal inout reads or writes a signal Can be connect to multiple signals buffer reads or writes a signal Can be connected to only one signal linkage special use 5/7/ _13 2
3 Illegal Port Usage Signal Defined As Out Cannot Be Used As Signal Connected to Internal Device. Need to Create Internal Signal. ENTITY (W, X,Y: IN bit ; A,B : OUT bit) ; 5/7/ _13 3
4 Constant-Valued Signals May Want to Hard-Wire an Input Signal to a Particular Value Control signal in a model of real device, e.g., preset or clear on a register Inputs to MUX to implement a particular combinational logic circuit Not use all inputs to a NAND/NOR gate while minimizing loading output of driving gate 5/7/ _13 4
5 Constant-Valued Signals Three Methods for Generating a Constant Define local signal with default equal to desired value e.g., signal Zero_Input : BIT := 0 ; Directly define input as 0 or 1 (VHDL-93) 5/7/ _13 5
6 Constant-Valued Signals Set default inputs on entity and use keyword OPEN ENTITY NAND_2 IS PORT ( A, B : IN BIT := 1 ; C : OUT BIT ) ; END NAND ;... X1: NAND_2 ( OPEN, W, Z ) ;... 5/7/ _13 6
7 Regular VHDL Structures Iterative Circuits Are Composed of Many Identical Circuits Ripple-carry adder RAM Counters Comparators 5/7/ _13 7
8 Generate Statement Use Generate Statement to Reduce Coding Effort Can Include Any Concurrent Statement Including Another Generate Statement Does Not Execute Directly, But Expands into Code Which Does Execute 5/7/ _13 8
9 Generate Statement Automatically Generates Multiple Component Instantiations Two Kinds of Statements Iteration FOR... GENERATE Conditional IF... GENERATE 5/7/ _13 9
10 Iteration Instantiates Identical Components FOR Syntax identifier : FOR N IN 1 TO 8 GENERATE concurrent-statements END GENERATE name ; N is a constant and cannot be changed name is required 5/7/ _13 10
11 Conditional Takes Care of Boundary Conditions IF Syntax identifier : IF (boolean expression) GENERATE concurrent-statements END GENERATE name ; Cannot use else or ifelse clauses 5/7/ _13 11
12 Generate e.g., R-C Adder ENTITY RCAdder_16 IS PORT ( A, B : IN Bit_Vector (15 downto 0); Cforce : IN Bit ; Sum : OUT Bit_Vector(15 downto 0); Cout : OUT Bit ) ; END RCAdder_16 ; 5/7/ _13 12
13 Generate e.g., R-C Adder ARCHITECTURE Generate_S OF RCAdder_16 IS COMPONENT Full_Adder --defined elsewhere PORT ( A, B, Cin : IN bit ; S, Cout : OUT bit ); END COMPONENT Full_Adder ; SIGNAL Int_C : BIT_VECTOR (15 DOWNTO 0); 5/7/ _13 13
14 Generate e.g., R-C Adder BEGIN --RC Adder All_Bits: FOR I IN 15 DOWNTO 0 GENERATE LSB : IF (I = 0) GENERATE BEGIN S0: Full_Adder PORT MAP ( A(I), B(I), Cforce, Sum(I), Int_C(I) ); END GENERATE S0 ; 5/7/ _13 14
15 Generate e.g., R-C Adder Middle_bits: IF ( I < 15 AND I > 0 ) GENERATE BEGIN SI: Full_Adder PORT MAP ( A(I), B(I), Int_C(I-1), Sum(I), Int_C(I) ); END GENERATE SI; 5/7/ _13 15
16 Generate e.g., R-C Adder MSB: IF ( I = 15 ) GENERATE BEGIN S15: Full_Adder PORT MAP ( A(I), B(I), Int_C(I-1), Sum(I), Cout ); END GENERATE MSB; END GENERATE All_Bits END Generate_S ; 5/7/ _13 16
17 Unconstrained Ports Entity Declarations Can Have Ports Defined Using Arrays Without Explicitly Including the Size of the Array Leads to General Specification of Iterative Circuit Uses Predefined Array Attribute LENGTH 5/7/ _13 17
18 Generate e.g., R-C Adder ENTITY RCAdder_N IS PORT ( A, B : IN Bit_Vector ; Cforce : IN Bit ; Sum : OUT Bit_Vector ; Cout : OUT Bit ) ; END RCAdder_N ; 5/7/ _13 18
19 Generate e.g., R-C Adder ARCHITECTURE Generate_S OF RCAdder_N IS COMPONENT Full_Adder --defined elsewhere PORT ( A, B, Cin : IN bit ; S, Cout : OUT bit ) ; END COMPONENT Full_Adder ; SIGNAL Int_C : BIT_VECTOR ( (A LENGTH - 1) DOWNTO 0); 5/7/ _13 19
20 Generate e.g., R-C Adder BEGIN --RC Adder All_Bits: FOR I IN (A LENGTH -1) DOWNTO 0 GENERATE LSB: IF (I = 0) GENERATE BEGIN S0: Full_Adder PORT MAP ( A(I), B(I), Cforce, Sum(I), Int_C(I) ); END GENERATE S0 ; 5/7/ _13 20
21 Generate e.g., R-C Adder Middle_bits: IF ( I < ( A LENGTH - 1 ) AND I > 0 ) GENERATE BEGIN SI: Full_Adder PORT MAP ( A(I), B(I), C(I-1), Sum(I), Int_C(I) ); END GENERATE SI ; 5/7/ _13 21
22 Generate e.g., R-C Adder MSB: IF ( I = A LENGTH - 1 ) GENERATE BEGIN SN: Full_Adder PORT MAP ( A(I), B(I), INT_C(I-1), Sum(I), Cout ); END GENERATE MSB; END GENERATE All_Bits END Generate_S ; 5/7/ _13 22
23 Arithmetic Operators Four Classes of Operators in VHDL Logic Relational Shift Arithmetic + - * / ** mod rem abs & (concatenation) 5/7/ _13 23
24 Number Types Integer Literals MAX_ INT = Maximum Positive Value of Integer { h } { } { } Positive Numbers = 1, 2, 3,, MAX_ INT Counting Numbers = Positive Numbers 0 Integers =± Counting Numbers 5/7/ _13 24
25 Number Types Floating Point Literals Number containing a radix point Only one type, REAL Range of values is implementation dependent 5/7/ _13 25
26 Type Conversion There is NO implicit type conversion Mixed type operations are not allowed Explicit type conversion IS allowed e.g., INTEGER ( 4.8 ), REAL ( 5 ) 5/7/ _13 26
27 Arithmetic Operator Limitations REM and MOD Operators Only Defined for Integers ** (Exponentiation) Accepts Both Integer and Real Arguments With Restrictions REAL can only be raised to integer power INTEGER can only be raised to positive power 5/7/ _13 27
28 Writing Literals Underscore Can Be Inserted Anywhere for Readability Exponential Notation Allowed for Both Integers and Reals Any Radix From 2 to 16 Is Allowed radix # number_in_radix # 5/7/ _13 28
29 Literal Examples Decimal Integer, e.g., 43800, 43_800, 438e2, 438E+2 Other Radix Integer, e.g., 2# #, 3#21201#, 16#faff0# Real, e.g., 0.0, 0.0_26, 3.8e-4, 9.8E+4 Other Radix Real, e.g., 2#11.011#, 3#22.1#, 7#46.31#e-1 5/7/ _13 29
30 End of Lecture Ports Constants Regular Structures Arithmetic Operators Literals 5/7/ _13 30
Contents. Appendix D VHDL Summary Page 1 of 23
Appendix D VHDL Summary Page 1 of 23 Contents Appendix D VHDL Summary...2 D.1 Basic Language Elements...2 D.1.1 Comments...2 D.1.2 Identifiers...2 D.1.3 Data Objects...2 D.1.4 Data Types...2 D.1.5 Data
Review of Digital Design with VHDL
Review of Digital Design with VHDL Digital World Digital world is a world of 0 and 1 Each binary digit is called a bit Eight consecutive bits are called a byte Hexadecimal (base 16) representation for
Lecture 3: Modeling in VHDL. EE 3610 Digital Systems
EE 3610: Digital Systems 1 Lecture 3: Modeling in VHDL VHDL: Overview 2 VHDL VHSIC Hardware Description Language VHSIC=Very High Speed Integrated Circuit Programming language for modelling of hardware
Hardware Description Language VHDL (1) Introduction
Hardware Description Language VHDL (1) Introduction Digital Radiation Measurement and Spectroscopy NE/RHP 537 Introduction Hardware description language (HDL) Intended to describe circuits textually, for
Introduction to VHDL #1
ECE 3220 Digital Design with VHDL Introduction to VHDL #1 Lecture 3 Introduction to VHDL The two Hardware Description Languages that are most often used in industry are: n VHDL n Verilog you will learn
Digital Systems Design
Digital Systems Design Review of Combinatorial Circuit Building Blocks: VHDL for Combinational Circuits Dr. D. J. Jackson Lecture 2-1 Introduction to VHDL Designer writes a logic circuit description in
Abi Farsoni, Department of Nuclear Engineering and Radiation Health Physics, Oregon State University
Hardware description language (HDL) Intended to describe circuits textually, for a computer to read Evolved starting in the 1970s and 1980s Popular languages today include: VHDL Defined in 1980s by U.S.
Logic and Computer Design Fundamentals VHDL. Part 1 Chapter 4 Basics and Constructs
Logic and Computer Design Fundamentals VHDL Part Chapter 4 Basics and Constructs Charles Kime & Thomas Kaminski 24 Pearson Education, Inc. Terms of Use (Hyperlinks are active in View Show mode) Overview
C-Based Hardware Design
LECTURE 6 In this lecture we will introduce: The VHDL Language and its benefits. The VHDL entity Concurrent and Sequential constructs Structural design. Hierarchy Packages Various architectures Examples
Lecture 7. Standard ICs FPGA (Field Programmable Gate Array) VHDL (Very-high-speed integrated circuits. Hardware Description Language)
Standard ICs FPGA (Field Programmable Gate Array) VHDL (Very-high-speed integrated circuits Hardware Description Language) 1 Standard ICs PLD: Programmable Logic Device CPLD: Complex PLD FPGA: Field Programmable
Basic Language Concepts
Basic Language Concepts Sudhakar Yalamanchili, Georgia Institute of Technology ECE 4170 (1) Describing Design Entities a sum b carry Primary programming abstraction is a design entity Register, logic block,
EEL 4783: Hardware/Software Co-design with FPGAs
EEL 4783: Hardware/Software Co-design with FPGAs Lecture 9: Short Introduction to VHDL* Prof. Mingjie Lin * Beased on notes of Turfts lecture 1 What does HDL stand for? HDL is short for Hardware Description
Review. LIBRARY list of library names; USE library.package.object; ENTITY entity_name IS generic declarations PORT ( signal_name(s): mode signal_type;
LIBRARY list of library names; USE library.package.object; Review ENTITY entity_name IS generic declarations PORT ( signal_name(s): mode signal_type; signal_name(s) : mode signal_type); END ENTITY entity_name;
Lecture 1: VHDL Quick Start. Digital Systems Design. Fall 10, Dec 17 Lecture 1 1
Lecture 1: VHDL Quick Start Digital Systems Design Fall 10, Dec 17 Lecture 1 1 Objective Quick introduction to VHDL basic language concepts basic design methodology Use The Student s Guide to VHDL or The
Concurrent Signal Assignment Statements (CSAs)
Concurrent Signal Assignment Statements (CSAs) Digital systems operate with concurrent signals Signals are assigned values at a specific point in time. VHDL uses signal assignment statements Specify value
ELCT 501: Digital System Design
ELCT 501: Digital System Lecture 4: CAD tools (Continued) Dr. Mohamed Abd El Ghany, Basic VHDL Concept Via an Example Problem: write VHDL code for 1-bit adder 4-bit adder 2 1-bit adder Inputs: A (1 bit)
Embedded Systems CS - ES
Embedded Systems - 1 - REVIEW Hardware/System description languages VDHL VHDL-AMS SystemC TLM - 2 - VHDL REVIEW Main goal was modeling of digital circuits Modelling at various levels of abstraction Technology-independent
ENGIN 241 Digital Systems with Lab
ENGIN 241 Digital Systems with Lab (4) Dr. Honggang Zhang Engineering Department University of Massachusetts Boston 1 Introduction Hardware description language (HDL): Specifies logic function only Computer-aided
FPGA Design Challenge :Techkriti 14 Digital Design using Verilog Part 1
FPGA Design Challenge :Techkriti 14 Digital Design using Verilog Part 1 Anurag Dwivedi Digital Design : Bottom Up Approach Basic Block - Gates Digital Design : Bottom Up Approach Gates -> Flip Flops Digital
VHDL Objects. Lecture 8: VHDL (2) Variables. VHDL Objects - Constant. Files. EE3109 Gopi K. Manne Fall 2007
Lecture 8: VHDL (2) VHDL Objects Four types of objects in VHDL Constants Variables Computer Aided Digital Design EE3109 Gopi K. Manne Fall 2007 Signals Files The scope of an object is as follows : Objects
What Is VHDL? VHSIC (Very High Speed Integrated Circuit) Hardware Description Language IEEE 1076 standard (1987, 1993)
What Is VHDL? VHSIC (Very High Speed Integrated Circuit) Hardware Description Language IEEE 1076 standard (1987, 1993) Only possible to synthesize logic from a subset of VHDL Subset varies according to
Design units can NOT be split across different files
Skeleton of a Basic VHDL Program This slide set covers the components to a basic VHDL program, including lexical elements, program format, data types and operators A VHDL program consists of a collection
Digital Design Laboratory Lecture 2
ECE 280 / CSE 280 Digital Design Laboratory Lecture 2 Adder Design Basic building block is a full adder Chained together as a ripple carry adder Carry lookahead adder is an other option Propagate and generate
Combinational Logic COMB. LOGIC BLOCK. A Combinational Logic Block is one where the outputs depend only on the current inputs
Combinational Logic A Combinational Logic Block is one where the outputs depend only on the current inputs COMB. LOGIC BLOCK A combinational logic block can be implemented using simple gates or lookup
Hardware Modeling. VHDL Basics. ECS Group, TU Wien
Hardware Modeling VHDL Basics ECS Group, TU Wien VHDL Basics 2 Parts of a Design Unit Entity Architecture Configuration Package Package Package Body Library How to create a Design Unit? Interface to environment
Digital Design Using VHDL Using Xilinx s Tool for Synthesis and ModelSim for Verification Part II
Digital Design Using VHDL Using Xilinx s Tool for Synthesis and ModelSim for Verification Part II Ahmed Abu-Hajar, Ph.D. abuhajar@digitavid.net Digitavid, Inc San Jose, CA VHDL Lexical Description Code
VHDL 3 BASIC OPERATORS AND ARCHITECTURE BODY. Design descriptions & design constructions examples are taken from foundation series examples
1 VHDL 3 BASIC OPERATORS AND ARCHITECTURE BODY Design descriptions & design constructions examples are taken from foundation series examples 2 What we have done in Lab 1 entity AND_Gate is port ( a : in
5. VHDL - Introduction - 5. VHDL - Design flow - 5. VHDL - Entities and Architectures (1) - 5. VHDL - Entities and Architectures (2) -
Sistemas Digitais I LESI - 2º ano Lesson 5 - VHDL Prof. João Miguel Fernandes (miguel@di.uminho.pt) Dept. Informática - Introduction - VHDL was developed, in the mid-1980s, by DoD and IEEE. VHDL stands
Chapter 6 Combinational-Circuit Building Blocks
Chapter 6 Combinational-Circuit Building Blocks Commonly used combinational building blocks in design of large circuits: Multiplexers Decoders Encoders Comparators Arithmetic circuits Multiplexers A multiplexer
CSCI Lab 3. VHDL Syntax. Due: Tuesday, week6 Submit to: \\fs2\csci250\lab-3\
![CSCI Lab 3. VHDL Syntax. Due: Tuesday, week6 Submit to: \\fs2\csci250\lab-3\](/thumbs/74/70459415.jpg "CSCI Lab 3. VHDL Syntax. Due: Tuesday, week6 Submit to: \\fs2\csci250\lab-3\")
CSCI 250 - Lab 3 VHDL Syntax Due: Tuesday, week6 Submit to: \\fs2\csci250\lab-3\ Objectives 1. Learn VHDL Valid Names 2. Learn the presentation of Assignment and Comments 3. Learn Modes, Types, Array,
Step 1 in transitioning to behavioral modeling. But here 1-to-1 with our gate level model.
Project Step 4 Step 1 in transitioning to behavioral modeling. But here 1-to-1 with our gate level model. Copyright 2006 - Joanne DeGroat, ECE, OSU 1 Project Step 4 This is the start of the transition
!"#$%&&"'(')"*+"%,%-".#"'/"'.001$$"
!"#$%&&"'(')"*+"%,%-".#"'/"'.001$$"!!"#$%&'#()#*+"+#,-."/0110#230#4."50",+"+#)6# 6+-+#(.6+-0#)4475.8)60#0/#.65-0#230#9+**+"+# 2.48).-0#(.6+-0#! 2+"*5."5*:#,."/0110#;)**0! *),".6*:#-.99-0*0"5."+#2+660,.40"5)#;)*)2)#
Digital Design with FPGAs. By Neeraj Kulkarni
Digital Design with FPGAs By Neeraj Kulkarni Some Basic Electronics Basic Elements: Gates: And, Or, Nor, Nand, Xor.. Memory elements: Flip Flops, Registers.. Techniques to design a circuit using basic
ECE 3401 Lecture 10. More on VHDL
ECE 3401 Lecture 10 More on VHDL Outline More on VHDL Some VHDL Basics Data Types Operators Delay Models VHDL for Simulation VHDL for Synthesis 1 Data Types Every signal has a type, type specifies possible
VHDL. ELEC 418 Advanced Digital Systems Dr. Ron Hayne. Images Courtesy of Cengage Learning
VHDL ELEC 418 Advanced Digital Systems Dr. Ron Hayne Images Courtesy of Cengage Learning Design Flow 418_02 2 VHDL Modules 418_02 3 VHDL Libraries library IEEE; use IEEE.std_logic_1164.all; std_logic Single-bit
VHDL Lexical Elements
1 Design File = Sequence of Lexical Elements && Separators (a) Separators: Any # of Separators Allowed Between Lexical Elements 1. Space character 2. Tab 3. Line Feed / Carriage Return (EOL) (b) Lexical
COE 405 Design Methodology Based on VHDL
COE 405 Design Methodology Based on VHDL Dr. Aiman H. El-Maleh Computer Engineering Department King Fahd University of Petroleum & Minerals Outline Elements of VHDL Top-Down Design Top-Down Design with
Lattice VHDL Training
Lattice Part I February 2000 1 VHDL Basic Modeling Structure February 2000 2 VHDL Design Description VHDL language describes a digital system as a set of modular blocks. Each modular block is described
2/14/2016. Hardware Synthesis. Midia Reshadi. CE Department. Entities, Architectures, and Coding.
Hardware Synthesis MidiaReshadi CE Department Science and research branch of Islamic Azad University Email: ce.srbiau@gmail.com Midia Reshadi 1 Chapter 2 Entities, Architectures, and Coding Styles Midia
JUNE, JULY 2013 Fundamentals of HDL (10EC45) PART A
JUNE, JULY 2013 Fundamentals of HDL (10EC45) Time: 3hrs Max Marks:100 Note: Answer FIVE full questions, selecting at least TWO questions from each part. PART A Q1.a. Describe VHDL scalar data types with
EECE-4740/5740 Advanced VHDL and FPGA Design. Lecture 3 Concurrent and sequential statements
EECE-4740/5740 Advanced VHDL and FPGA Design Lecture 3 Concurrent and sequential statements Cristinel Ababei Marquette University Department of Electrical and Computer Engineering Overview Components hierarchy
Declarations of Components and Entities are similar Components are virtual design entities entity OR_3 is
Reserved Words component OR_3 port (A,B,C: in bit; Z: out bit); end component ; Reserved Words Declarations of Components and Entities are similar Components are virtual design entities entity OR_3 is
Lecture 3 Introduction to VHDL
CPE 487: Digital System Design Spring 2018 Lecture 3 Introduction to VHDL Bryan Ackland Department of Electrical and Computer Engineering Stevens Institute of Technology Hoboken, NJ 07030 1 Managing Design
COE 405, Term 062. Design & Modeling of Digital Systems. HW# 1 Solution. Due date: Wednesday, March. 14
COE 405, Term 062 Design & Modeling of Digital Systems HW# 1 Solution Due date: Wednesday, March. 14 Q.1. Consider the 4-bit carry-look-ahead adder (CLA) block shown below: A 3 -A 0 B 3 -B 0 C 3 4-bit
1. Using the for-generahon scheme, concurrent statements can be replicated a predetermined number of times.
Generate Statements Concurrent statements can be conditionally selected or replicated during the elaboration phase using the generate statement. There are two forms of the generate statement. 1. Using
ECE Digital System Design & Synthesis Exercise 1 - Logic Values, Data Types & Operators - With Answers
ECE 601 - Digital System Design & Synthesis Exercise 1 - Logic Values, Data Types & Operators - With Answers Fall 2001 Final Version (Important changes from original posted Exercise 1 shown in color) Variables
ECE 448 Lecture 3. Combinational-Circuit Building Blocks. Data Flow Modeling of Combinational Logic
ECE 448 Lecture 3 Combinational-Circuit Building Blocks Data Flow Modeling of Combinational Logic George Mason University Reading Required P. Chu, FPGA Prototyping by VHDL Examples Chapter 3, RT-level
Last Lecture: Adder Examples
Last Lecture: Adder Examples module fulladder(input logic a, b, cin, output logic s, cout); logic p, g; // internal nodes assign p = a ^ b; assign g = a & b; assign s = p ^ cin; assign cout = g (p & cin);
EE 459/500 HDL Based Digital Design with Programmable Logic. Lecture 4 Introduction to VHDL
EE 459/500 HDL Based Digital Design with Programmable Logic Lecture 4 Introduction to VHDL Read before class: Chapter 2 from textbook (first part) Outline VHDL Overview VHDL Characteristics and Concepts
IE1204 Digital Design L7: Combinational circuits, Introduction to VHDL
IE24 Digital Design L7: Combinational circuits, Introduction to VHDL Elena Dubrova KTH / ICT / ES dubrova@kth.se This lecture BV 38-339, 6-65, 28-29,34-365 IE24 Digital Design, HT 24 2 The multiplexer
ECE 448 Lecture 3. Combinational-Circuit Building Blocks. Data Flow Modeling of Combinational Logic
ECE 448 Lecture 3 Combinational-Circuit Building Blocks Data Flow Modeling of Combinational Logic George Mason University Reading Required P. Chu, FPGA Prototyping by VHDL Examples Chapter 3, RT-level
Contents. Appendix D Verilog Summary Page 1 of 16
Appix D Verilog Summary Page 1 of 16 Contents Appix D Verilog Summary... 2 D.1 Basic Language Elements... 2 D.1.1 Keywords... 2 D.1.2 Comments... 2 D.1.3 Identifiers... 2 D.1.4 Numbers and Strings... 3
ECE 545 Lecture 8. Data Flow Description of Combinational-Circuit Building Blocks. George Mason University
ECE 545 Lecture 8 Data Flow Description of Combinational-Circuit Building Blocks George Mason University Required reading P. Chu, RTL Hardware Design using VHDL Chapter 7, Combinational Circuit Design:
UNIT I Introduction to VHDL VHDL: - V -VHSIC, H - Hardware, D - Description, L Language Fundamental section of a basic VHDL code Library :
UNIT I Introduction to VHDL VHDL stands for very high-speed integrated circuit hardware description language. Which is one of the programming languages used to model a digital system by dataflow, behavioral
VHDL Basics. Mehdi Modarressi. Department of Electrical and Computer Engineering, University of Tehran. ECE381(CAD), Lecture 4:
ECE381(CAD), Lecture 4: VHDL Basics Mehdi Modarressi Department of Electrical and Computer Engineering, University of Tehran Some slides are taken (with modifications) from ECE-448 of GMU Outline An introduction
VHDL. Official Definition: VHSIC Hardware Description Language VHISC Very High Speed Integrated Circuit
VHDL VHDL Official Definition: VHSIC Hardware Description Language VHISC Very High Speed Integrated Circuit VHDL Alternative (Student Generated) Definition Very Hard Digital Logic language VHDL Design
VHDL BASIC ELEMENTS INTRODUCTION
VHDL BASIC ELEMENTS INTRODUCTION VHDL Basic elements Identifiers Basic identifiers Extended identifiers Data Objects Constant Variable Signal File Data Types Scalar Composite Access File type Identifiers
IT T35 Digital system desigm y - ii /s - iii
UNIT - V Introduction to Verilog Hardware Description Language Introduction HDL for combinational circuits Sequential circuits Registers and counters HDL description for binary multiplier. 5.1 INTRODUCTION
Lecture 5: State Machines, Arrays, Loops. EE 3610 Digital Systems
EE 3610: Digital Systems 1 Lecture 5: State Machines, Arrays, Loops BCD to Excess-3 (XS 3 ) Code Converter Example: Fig. 2-53 2 Easier to use one type of code (e.g. XS 3 ) over the other type (e.g. BCD)
Inthis lecture we will cover the following material:
Lecture #8 Inthis lecture we will cover the following material: The standard package, The std_logic_1164 Concordia Objects & data Types (Signals, Variables, Constants, Literals, Character) Types and Subtypes
1. Defining and capturing the design of a system. 2. Cost Limitations (low profit margin must sell millions)
What is an Embedded System? A type of computer system ECEN 4856: Embedded System Design Lecture 2: Embedded System Standards Traditional Definitions Limited in hardware and software vs the PC Designed
Introduction to VHDL. Main language concepts
Introduction to VHDL VHSIC (Very High Speed Integrated Circuit) Hardware Description Language Current standard is IEEE 1076-1993 (VHDL-93). Some tools still only support VHDL-87. Tools used in the lab
VHDL 2 Combinational Logic Circuits. Reference: Roth/John Text: Chapter 2
VHDL 2 Combinational Logic Circuits Reference: Roth/John Text: Chapter 2 Combinational logic -- Behavior can be specified as concurrent signal assignments -- These model concurrent operation of hardware
Hardware Modeling. VHDL Syntax. Vienna University of Technology Department of Computer Engineering ECS Group
Hardware Modeling VHDL Syntax Vienna University of Technology Department of Computer Engineering ECS Group Contents Identifiers Types & Attributes Operators Sequential Statements Subroutines 2 Identifiers
Course Topics - Outline
Course Topics - Outline Lecture 1 - Introduction Lecture 2 - Lexical conventions Lecture 3 - Data types Lecture 4 - Operators Lecture 5 - Behavioral modeling A Lecture 6 Behavioral modeling B Lecture 7
ECE468 Computer Organization & Architecture. The Design Process & ALU Design
ECE6 Computer Organization & Architecture The Design Process & Design The Design Process "To Design Is To Represent" Design activity yields description/representation of an object -- Traditional craftsman
A Verilog Primer. An Overview of Verilog for Digital Design and Simulation
A Verilog Primer An Overview of Verilog for Digital Design and Simulation John Wright Vighnesh Iyer Department of Electrical Engineering and Computer Sciences College of Engineering, University of California,
BASIC VHDL LANGUAGE ELEMENTS AND SEMANTICS. Lecture 7 & 8 Dr. Tayab Din Memon
BASIC VHDL LANGUAGE ELEMENTS AND SEMANTICS Lecture 7 & 8 Dr. Tayab Din Memon Outline Data Objects Data Types Operators Attributes VHDL Data Types VHDL Data Objects Signal Constant Variable File VHDL Data
Microcomputers. Outline. Number Systems and Digital Logic Review
Microcomputers Number Systems and Digital Logic Review Lecture 1-1 Outline Number systems and formats Common number systems Base Conversion Integer representation Signed integer representation Binary coded
Computer Aided Design Basic Syntax Gate Level Modeling Behavioral Modeling. Verilog
Verilog Radek Pelánek and Šimon Řeřucha Contents 1 Computer Aided Design 2 Basic Syntax 3 Gate Level Modeling 4 Behavioral Modeling Computer Aided Design Hardware Description Languages (HDL) Verilog C
SRI SUKHMANI INSTITUTE OF ENGINEERING AND TECHNOLOGY, DERA BASSI (MOHALI)
SRI SUKHMANI INSTITUTE OF ENGINEERING AND TECHNOLOGY, DERA BASSI (MOHALI) VLSI LAB MANUAL ECE DEPARTMENT Introduction to VHDL It is a hardware description language that can be used to model a digital system
LECTURE 4: The VHDL N-bit Adder
EECS 317 Computer Design LECTURE 4: The VHDL N-bit Adder Instructor: Francis G. Wolff wolff@eecs.cwru.edu Case Western Reserve University Review: N-Bit Ripple-Carry Adder Hierarchical design: 2-bit adder
CS Computer Architecture. 1. Explain Carry Look Ahead adders in detail
1. Explain Carry Look Ahead adders in detail A carry-look ahead adder (CLA) is a type of adder used in digital logic. A carry-look ahead adder improves speed by reducing the amount of time required to
Computer-Aided Digital System Design VHDL
بس م اهلل الر حم ن الر حی م Iran University of Science and Technology Department of Computer Engineering Computer-Aided Digital System Design VHDL Ramin Rajaei ramin_rajaei@ee.sharif.edu Modeling Styles
VHDL for Complex Designs
ELEC 379 : DESIGN OF DIGITAL AND MICROCOMPUTER SYSTEMS 1998/99 WINTER SESSION, TERM 2 VHDL for Complex Designs This lecture covers VHDL features that are useful when designing complex logic circuits. After
Chapter 3 Part 2 Combinational Logic Design
University of Wisconsin - Madison ECE/Comp Sci 352 Digital Systems Fundamentals Kewal K. Saluja and Yu Hen Hu Spring 2002 Chapter 3 Part 2 Combinational Logic Design Originals by: Charles R. Kime and Tom
Design Using Verilog
EGC220 Design Using Verilog Baback Izadi Division of Engineering Programs bai@engr.newpaltz.edu Basic Verilog Lexical Convention Lexical convention are close to C++. Comment // to the of the line. /* to
ECE4401 / CSE3350 ECE280 / CSE280 Digital Design Laboratory
ECE4401 / CSE3350 ECE280 / CSE280 Digital Design Laboratory Instructor John Chandy Office: ITEB 437 Office Hours: W10-12 Tel: (860) 486-5047 Email: john.chandy@uconn chandy@uconn.edu Class home page: HuskyCT
Verilog HDL Introduction
EEE3050 Theory on Computer Architectures (Spring 2017) Prof. Jinkyu Jeong Verilog HDL Introduction 2017.05.14 TA 이규선 (GYUSUN LEE) / 안민우 (MINWOO AHN) Modules The Module Concept Basic design unit Modules
Chapter 3: Dataflow Modeling
Chapter 3: Dataflow Modeling Prof. Soo-Ik Chae Digital System Designs and Practices Using Verilog HDL and FPGAs @ 2008, John Wiley 3-1 Objectives After completing this chapter, you will be able to: Describe
REGISTER TRANSFER AND MICROOPERATIONS
1 REGISTER TRANSFER AND MICROOPERATIONS Register Transfer Language Register Transfer Bus and Memory Transfers Arithmetic Microoperations Logic Microoperations Shift Microoperations Arithmetic Logic Shift
Spiral 1 / Unit 4 Verilog HDL. Digital Circuit Design Steps. Digital Circuit Design OVERVIEW. Mark Redekopp. Description. Verification.
1-4.1 1-4.2 Spiral 1 / Unit 4 Verilog HDL Mark Redekopp OVERVIEW 1-4.3 1-4.4 Digital Circuit Design Steps Digital Circuit Design Description Design and computer-entry of circuit Verification Input Stimulus
Hardware Modeling. VHDL Architectures. Vienna University of Technology Department of Computer Engineering ECS Group
Hardware Modeling VHDL Architectures Vienna University of Technology Department of Computer Engineering ECS Group Contents Structural Modeling Instantiation of Components Behavioral Modeling Processes
FPGA: FIELD PROGRAMMABLE GATE ARRAY Verilog: a hardware description language. Reference: [1]
![FPGA: FIELD PROGRAMMABLE GATE ARRAY Verilog: a hardware description language. Reference: [1]](/thumbs/80/81661285.jpg "FPGA: FIELD PROGRAMMABLE GATE ARRAY Verilog: a hardware description language. Reference: [1]")
FPGA: FIELD PROGRAMMABLE GATE ARRAY Verilog: a hardware description language Reference: [] FIELD PROGRAMMABLE GATE ARRAY FPGA is a hardware logic device that is programmable Logic functions may be programmed
6.111 Lecture # 5. Entity section describes input and output. VHDL: Very High speed integrated circuit Description Language:
6.111 Lecture # 5 VHDL: Very High speed integrated circuit Description Language: All VHDL files have two sections: architecture and entity -- Massachusetts (Obsolete) Stoplight Example library ieee; use
Verilog Dataflow Modeling
Verilog Dataflow Modeling Lan-Da Van ( 范倫達 ), Ph. D. Department of Computer Science National Chiao Tung University Taiwan, R.O.C. Spring, 2017 ldvan@cs.nctu.edu.tw http://www.cs.nctu.edu.tw/~ldvan/ Source:
Speaker: Shao-Wei Feng Adviser: Prof. An-Yeu Wu Date: 2010/09/28
99-1 Under-Graduate Project Verilog Simulation & Debugging Tools Speaker: Shao-Wei Feng Adviser: Prof. An-Yeu Wu Date: 2010/09/28 ACCESS IC LAB Outline Basic Concept of Verilog HDL Gate Level Modeling
Modeling Complex Behavior
Modeling Complex Behavior Sudhakar Yalamanchili, Georgia Institute of Technology, 2006 (1) Outline Abstraction and the Process Statement Concurrent processes and CSAs Process event behavior and signals
Verilog. What is Verilog? VHDL vs. Verilog. Hardware description language: Two major languages. Many EDA tools support HDL-based design
Verilog What is Verilog? Hardware description language: Are used to describe digital system in text form Used for modeling, simulation, design Two major languages Verilog (IEEE 1364), latest version is
ECOM4311 Digital Systems Design
ECOM 4311 Digital Systems Design Eng. Monther Abusultan Computer Engineering Dept. Islamic University of Gaza Page 1 Agenda 1. VHDL : Data Types Cont d 2. VHDL : Operators 3. VHDL : Signal Assignments
Arithmetic Circuits. Nurul Hazlina Adder 2. Multiplier 3. Arithmetic Logic Unit (ALU) 4. HDL for Arithmetic Circuit
Nurul Hazlina 1 1. Adder 2. Multiplier 3. Arithmetic Logic Unit (ALU) 4. HDL for Arithmetic Circuit Nurul Hazlina 2 Introduction 1. Digital circuits are frequently used for arithmetic operations 2. Fundamental
In this lecture, we will go beyond the basic Verilog syntax and examine how flipflops and other clocked circuits are specified.
1 In this lecture, we will go beyond the basic Verilog syntax and examine how flipflops and other clocked circuits are specified. I will also introduce the idea of a testbench as part of a design specification.
VHDL: skaitmeninių įtaisų projektavimo kalba. 2 paskaita Pradmenys
VHDL: skaitmeninių įtaisų projektavimo kalba 2 paskaita Pradmenys Skeleton of a Basic VHDL Program This slide set covers the components to a basic VHDL program, including lexical elements, program format,
ECE U530 Digital Hardware Synthesis. Course Accounts and Tools
ECE U530 Digital Hardware Synthesis Prof. Miriam Leeser mel@coe.neu.edu Sept 13, 2006 Lecture 3: Basic VHDL constructs Signals, Variables, Constants VHDL Simulator and Test benches Types Reading: Ashenden
VHDL: A Crash Course
VHDL: A Crash Course Dr. Manuel Jiménez With contributions by: Irvin Ortiz Flores Electrical and Computer Engineering Department University of Puerto Rico - Mayaguez Outline Background Program Structure
Hardware Description Languages. Modeling Complex Systems
Hardware Description Languages Modeling Complex Systems 1 Outline (Raising the Abstraction Level) The Process Statement if-then, if-then-else, if-then-elsif, case, while, for Sensitivity list Signals vs.
Digital Circuit Design and Language. Datapath Design. Chang, Ik Joon Kyunghee University
Digital Circuit Design and Language Datapath Design Chang, Ik Joon Kyunghee University Typical Synchronous Design + Control Section : Finite State Machine + Data Section: Adder, Multiplier, Shift Register
Writing VHDL for RTL Synthesis
Writing VHDL for RTL Synthesis Stephen A. Edwards, Columbia University December 21, 2009 The name VHDL is representative of the language itself: it is a two-level acronym that stands for VHSIC Hardware
Introduction to VHDL. Yvonne Avilés Colaboration: Irvin Ortiz Flores Rapid System Prototyping Laboratory (RASP) University of Puerto Rico at Mayaguez
Introduction to VHDL Yvonne Avilés Colaboration: Irvin Ortiz Flores Rapid System Prototyping Laboratory (RASP) University of Puerto Rico at Mayaguez What is VHDL? Very High Speed Integrated Circuit Hardware
Tutorial 4 HDL. Outline VHDL PROCESS. Modeling Combinational Logic. Structural Description Instantiation and Interconnection Hierarchy
CS3: Hardware Lab Tutorial 4 HDL Outline VHDL basic language concepts basic design methodology Examples A. Sahu Dept of Comp. Sc. & Engg. Indian Institute of Technology Guwahati i i i3 i4 Modeling Combinational